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TA8819F
NTSC VIDEO CHROMA SIGNAL PROCESSOR SYNC PLAYBACK IC FOR LCD TV
TOSHIBA TA8819F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA88119F
NTSC VIDEO CHROMA SIGNAL PROCESSOR SYNC PLAYBACK IC FOR
LCD TV
TC8819F can be directly driven by battery because it
operates on 3.3 to 7.5V.
Effect of fluctuations in supply voltage are minimized.
Built-in automatic contrast limiter (ACL) utilizes LCD panel
dynamic range, delivering clear image reproduction.
FEATURES
0 Video circuit block
. Secondary differential sharpness adjustment (DC control)
. Unicolor contrast control SSOP30-P-375-1.00
Weight : 0.63g (Typ.)
o Chroma circuit block
. 2-axis demodulation primary color output
It Sync playback circuit block
. High-performance sync separation
. Countdown oscillation frequency adjustment-free
. Stable vertical sync performance even when synchronization fails
1 2001-06-25
TOSHIBA TA8819F
BLOCK DIAGRAM
Com posite video signal Contrast
Sharpness
Delay line trap VCC
Vcc C',
v BPF E + ACL TKilIer
25 6 'gg" CIS', 18 17 16
l J l l J
- J AFC ACC Picture
detection
32 fH I
VCO 1 Contrast
Sync _ -
I - separation Tint Color -
Horizontal f I , l ACL
countdown _ _ 1
Killer
AFC - detection DEMO 1
Vertical I Clamp
countdown Lock fSC l
l, detection VCXO _ Matrix
SYNC - - -
GND HD VD CP/LD VREF
2 3 5 6 7 Ci? 10 11 12 l? 14 15
GND VREF
C' C'" + g,. VCC R G B Clamp
output output output J
HD VD CP/E Color Brightness
2 2001-06-25
TOSHIBA TA8819F
PIN FUNCTIONS
Nu'l)h, PIN NAME FUNCTION
1 SYNC GND Ground for sync playback circuit
2 'io- OUT Horizontal output pulse to controller (open collector)
3 W OUT Vertical output pulse to controller (open collector)
4 CP/m OUT Sync pull-in signal output for selecting channel (open collector)
5 TINT Tint adjustment pin
6 APC FILTER Color subcarrier automatic control filter
7 fSC X fSC resonator
8 V/C GND Ground for video chroma circuit
9 COLOR Color adjustment pin
10 R OUT Primary color output pin (R)
11 G OUT Primary color output pin (G)
12 B OUT Primary color output pin (B)
13 VREF/ACL LEVEL Reference voltage/ACL level adjustment
14 BRIGHTNESS Brightness adjustment pin
15 CLAMPC Video DC playback capacitor
16 KILLER FILTER Color killer filter
17 ACL FILTER ACL filter
18 CONTRAST Contrast (unicolor) adjustment pin
19 YH IN Input of video high-frequency components
20 SHARPNESS Sharpness adjustment pin
21 Y IN Video signal input pin
22 ACC FILTER Chroma automatic amplitude control filter
23 CHROMA IN Chroma signal input pin
24 VCC Power supply
25 SYNC IN Video signal input pin for sync playback
26 AFC FILTER Horizontal automatic frequency control filter
27 VRET INTEG Vertical sync integral capacitor
28 32fH X 32fH resonator
29 PH1 32fH oscillation phase pin
30 PH2 32fH oscillation phase pin
3 2001-06-25
TOSHIBA
TA8819F
PIN DESCRIPTION
NUM- PIN NAME & FUNCTION TYPICAL SIGNAL LEVEL INTERNAL CIRCUIT
Saturated open collector
output
W OUT Maximum sink current
2 Horizontal drive pulse -1.l-lri'/)
output #5
VOH = 5V (uses separate
power supply)
Saturated open collector
output
TITS OUT Maximum sink current
3 Vertical drive pulse -1 I-I IC)',
output I 26H ov
VOH = 5V (uses separate
power supply)
Saturated open collector
output
Maximum sink current
CP/m 2 mA
4 Clamp pulse/signal Mm,
output -l-l-vs
Pulse output Fiice,ayt, .tptt5-HH,t
VOH = 5V (uses separate
power supply)
5 TINT .
Tint adjustment Internal bias Vcc/2
9 COLOR
Color amplitude YI'H r',',l.h-Ufg
adjustment iL -
APC DET E l
. 3009 10kQ
6 . . Internal bias 2.5V 6 "t 'vt
APC filter connecting 1: N, I
pm S (i,
4 2001-06-25
TOSHIBA
TA8819F
NUM- PIN NAME & FUNCTION TYPICAL SIGNAL LEVEL INTERNAL CIRCUIT
fSC VXO Internal bias 2.5V
7 fSC resonator
connecting pin VOSC = 50 mi/p-p
R- T -----_--
10 ou "u-rl-rr-rr-, - (1): c
- 0.7 8
11 G-OUT x T"
(when ACL used) 10
B- T ------------ IS 11
12 ou ll 12 cl
- 0.9 3:
Primary color output - 0.5 I
pins (when ACL not used)
1 I I . 1. V
3 Constant voltage supply nterna bias 8
output pin
BRIGHT
14 ViH maxVREF(= 1.8V)
Brightness adjustment ViL min GND
control pin
CLAMP External capacitance (”3 t 5’
15 . 2.2 pF Cl.isD
Clamp capacitor VOH = V REF (= 1.8 V)
connecting pin VOL = GND
5 2001-06-25
TOSHIBA TA8819F
NUM- PIN NAME & FUNCTION TYPICAL SIGNAL LEVEL INTERNAL CIRCUIT
KILLER External capacitance
0.018 pF
16 . .
Color killer filter VOH = 3.3V I/
connecting pin VOL = 2.6V (I
17 ACL sample-and-hold Internal bias 0V
capacitor pin
CONTRAST Internal bias (Vcc/2)
18 Contrast (unicolor) le , 2g
adjustment control pin iL -
Internal bias (Vcc/2)
19 Brightness signal Maximum input level Cui"
(secondary differential) 150 ml/p-p
input pin
HARPNE . 7:
S ss Internal bias (Vcc/2) 32m
20 V; = v 6%)
Sharpness adjustment iH CC
. ViL = GND <
control pm 7: g
TOSHIBA
TA8819F
NUM- PIN NAME & FUNCTION TYPICAL SIGNAL LEVEL INTERNAL CIRCUIT
YIN Internal bias 2.5V
. . 21
21 Brightness signal input Maximum input level IV
pin p-p 7:
ACC DET
Permissible load current 0
22 ACC sample-and-hold VOL = GND @
capacitor connecting Load capacitance 0.1 pF C)
C IN Internal bias VCC Q m 1m
23 Chroma si nal in ut Burst input 75 mVp-p
. g p Chroma input 225 mi/p-p
SYNC IN Video signal 1Vp-p
25 . . (sync signal 0.28Vp-p)
.Compos-Ite sync signal Internal bias 1.5V
input pm
13kQ y
AFC DET 'lr,,-"
26 AFC filter connecting Internal bias 1.5V IX}
. < c F
pm 2%? 2i
7 2001-06-25
TOSHIBA
TA8819F
NUM- PIN NAME & FUNCTION TYPICAL SIGNAL LEVEL INTERNAL CIRCUIT
VERT INT qr m
27 Internal bias 3.2V son
Vertical sync signal Load capacitance 1/1F f,',
integral capacitor pin. 7: F
32fH VXO Internal bias 2.1 V
28 32fH phase shift signal VOL = 2.5V m
. . VOL = 1.8V <
input pm 1015142
29 32fH phase shift signal Internal bias 4.0V (VCC)
input pin 1
30 Further shifts phase of pin a
32fH phase shift signal 29 signal and inputs. J,
input pin 2 $0
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCC 8 V
. . . PD
Power Dissipation (Note) 890 mW
Pt"" Dissipation Reduction l9ja 7.2 mW/°C
Operating Temperature Topr - 20--75 ''C
Storage Temperature Tstg - 55-150 "C
RECOMMENDED SUPPLY VOLTAGE
NUM- PIN NAME MIN TYP. MAX UNIT
24 VCC 3.3 5.0 7.5
TOSHIBA TA8819F
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VCC = 5V, Ta = 25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN TYP. MAX UNIT
Quiescent Supply Current lcco - 20 27 38 mA
Video block
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN TYP. MAX UNIT
Pin 21 Input Impedance Ri21 - Note V-1 7 10 12.5 kfl
Pin 19 Input Impedance Ri19 - Note V-2 1.8 2.5 3.25 k9
Brightness Adjustment Voltage VBR - Note V-3 0.7 0.84 0.98 V
Brightness Adjustment
- N V-4 1. 1.2 1.4
Sensitivity GBR ote 0
Brightness Adjustment Range AVBR - Note V-5 1.9 2.1 2.3 Vp-p
Minimum Linear Video Input Vdi 1 - Note V-6 - 2.6 3.1 V
Maximum Linear Video Input Vdi 2 - Note V-7 3.3 4 - V
Video Input Dynamic Range Vdi - Note V-8 0.75 0.88 - Vp-p
Minimum Contrast Output Vdo 1 - Note V-9 - 0.2 0.4 V
Maximum Contrast Output Vdo 2 - Note V-10 2.6 3.1 - V
Secondary Differential Input .
Dynamic Range Vdip Note v-11 0.09 0.12 0.15 Vp-p
AC Gain GV - Note V-12 12 14 15.6 dB
Frequency Characteristic Gf - Note V-13 1.8 2.5 - MHz
Contrast Adjustment Voltage Ava - Note V-14 2.2 2.6 - V
Contrast Adjustment Gain AGct - Note V-15 14 15 - dB
Frequency Characteristic
Change Due to Contrast AGf - Note V-16 -3 - 3 dB
Adjustment
Gain Change Amount at
Minimum Sharpness GpleN - Note V-17 14 - - dB
Adjustment
Gain Change Amount at
Maximum Sharpness GpsMAX - Note V-18 3 6 10 dB
Adjustment
Sharpness Adjustment
Characteristic GpsO Note V-19 -8 -4 0 dB
Pin 13 Output Voltage Vref - Note V-20 1.8 1.9 2.0 V
Pedestal Potential After ACL
Adjustment Aon /of Note V-ill 1.0 1.05 1.1
Wh'te Amplitude After ACL AH 1 - Note v-22 0.56 0.67 0.80 Vp-p
Adjustment
(33%; Output DC Deviation VofB/G - Note v-23 -200 - 200 mV
9 2001-06-25
TOSHIBA TA8819F
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN TYP. MAX UNIT
ttit)' Output DC Deviation VofR/G - Note v-24 -200 - 200 mV
3-Axis AC Gain Deviation AG B/G - Note V-25 -6 - 0.5 dB
3-Axis AC Gain Deviation AG R/G - Note V-26 -6 - 0.5 dB
Chroma block
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN TYP. MAX UNIT
Pin 23 Input Resistance Ri23 - Note C-1 2.25 3.0 3.75 kfl
Color Difference Output (R-Y) eR2 - Note C-2 0.30 0.43 0.56 Vp-p
Color Difference Output (G-Y) eG2 - Note C-3 0.12 0.18 0.24 Vp-p
Color Difference Output (B-Y) eB2 - Note C-4 0.35 0.50 0.65 Vp-p
Color Change Amount eC - Note C-5 4 6 - dB
Unicolor Change Amount eU - Note C-6 14 15 - dB
Tint Change Amount (9t - Note C-7 80 100 130 ''
Tint Center " - Note C-8 - 15 - 5 ©
Residual Color - Note C-9 - - -40 dB
Demodulation Relative
Amplitude (R-Y/B-Y) R/B - Note C-10 0.72 0.84 0.96 -
Demodulation Relative
B - N -11 .27 . 4 .41 -
Amplitude (G-Y/B-Y) G/ ate C 0 0 3 0
Demodulation Relative Phase o
(R-Y/B-Y) R-B - Note C-12 97 104 111
Demodulation Relative Phase
-B - N -1 22 24 2 ©
(G-Y/B-Y) G ote C 3 5 0 50
Pm.odulation Output Residual eCR - Note C-14 - - 15 mVp-p
Carrier
Killer Operation Input Level eK - Note C-15 -58 - 50 -44 dB
ACC Characteristic ACC - Note C-16 24 30 - dB
Control Sensitivity i3fs - Note C-17 0.8 - 2.0 Hz/mV
APC Pull-ln Range fsp - Note C-18 i300 - - Hz
APC Hold Range fsh - Note C-19 i300 - - Hz
10 2001-06-25
TOSHIBA TA8819F
Sync block
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN TYP. MAX UNIT
Horizontal Output Pulse Width PWHD - Note D-1 6.0 6.2 6.6 pe;
1orizontal Output Pulse Delay 1.de - Note D-2 0.36 0.52 0.68 /rs
Horizontal Output Saturation VoIH - Note D-3 - 0.2 0.4 V
Vertical Output Pulse Width PWVD - Note D-4 - 26 26.5
Ptical Output Pulse Delay TpDv - Note D-5 0.65 0.84 1.03 H
Horizontal Oscillation fH - Note D-6 15655 15734 15813 Hz
Frequency
Horizontal AFC PuII-In Range Afpul - Note D-7 600 700 - Hz
Horizontal AFC Hold Range Afhol - Note D-8 600 700 - Hz
Horizontal AFC Hold Limit
. - - - - -2 B
Input VinPM Note D 9 0 d
Gate Pulse Width PWGp - Note D-10 2.6 3.0 3.45 ,us
Gate Pulse Delay Time TpdGP .- Note D-11 0.65 0.90 1.15 pe;
Gate Pulse Generation Limit VinGM - Note D-12 - - -17 dB
. fpv 1 - Note D-13 - - 228
Vertical Sync Pull-ln Range fpv 2 - Note D-14 228 - - H
Vertical Sync Hold Limit Input VinVM - Note D-15 - - -15 dB
VD TIMING PULSE
Inputcomposite sync I I I I I I I I I I I I I l I
11 2001-06-25
TEST CONDITIONS
Video block
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 2': 3°C)
SW & VR MODE
SHARP-
TEST METHOD
Pin 21 input impedance
(video input pin)
center
center
center
Apply 0.2 Vp—p AC, 1-kHz signal to pin 21 via a
10-k0 resistor.
Measure the AC amplitude voltage of pin 21
(V21).
221: V21 x 10 kQI(O.2 — V21)
Pin 19 input impedance
(secondary differential signal
input pin)
center
center
cente l’
Apply 0.05 Vp.p AC, 1-kHz signal to pin 19 via a
10-k0 resistor.
Measure the AC amplitude voltage of pin 19
(V19).
219 = V19 x 10 kQ/(0.05 - V19)
Brightness adjustment
voltage
center
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
Measure the DC voltage of pin 14.
Brightness adjustment
sensitivity
ce nter
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
Measure the DC voltage of pin 11 NHL).
Increase BRT VR by 0.1 V.
Measure the DC voltage of pin 11 (V11H).
Calculate the following formula.
GBR = (V11H - V11L)IO.1
Brightness adjustment range
C8 nter
ce nter
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
Set BRT VR to the maximum and minimum and
measure the DC voltage of pin 11.
dVBR = V11max — V11min
TA8819F - 12
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 i 3°C)
SW & VR MODE
SHARP-
TEST METHOD
Minimum linear video input
Maximum linear video input
Video input dynamic range
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
Measure the DC voltage of pin 15 (V15).
Apply DC voltage V15 to pin 15 and fix the
voltage.
Change the DC voltage of pin 21 and set the
pin 11 output voltage change width to 100%.
Define the DC voltage of pin 21 when the pin
11 output voltage change is 10% as Vdi1 ;
when 90%, as Vdiz.
Vdi = Vdi2 — Vdi1
Minimum contrast output
Maximum contrast output
center
speci-
Pin 11 voltage
Pin 11 voltage
Vdoz .............................
.———.—.Pin 21 voltage
Vd' VdiZ
Pin 21 voltage
(7) Set CONT VR to the maximum.
(8) Repeat steps (1) to (4).
(9) Measure the maximum (VdoZ) and minimum
(Vdo1) values of pin 11 output change.
TA8819F - 13
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 i 3°C)
SW 81 VR MODE
SHARP-
TEST METHOD
Secondary differential input
dynamic range
speci-
(1) Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
(2) Measure the DC voltage of pin 15 (V15).
(3) Apply DC voltage V15 to pin 15 and fix the
voltage.
(4) Change the DC voltage of pin 19 and set the
pin 11 output voltage change width to 100%.
(5) Define the DC Pin11 voltage
voltage of pin 19 90:1 .
when the pin 11
output voltage
change is 10% as 1332 ------
Vdp1 ; when 90%,
as Vde.
Vdi1 Vdip Vdi2
(6) Vdip = Vde - Vdp1
——_—- Pin 19 voltage
AC gain
center
center
speci-
(1) Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
(2) Measure the DC voltage of pin 15 (V15).
(3) Apply DC voltage V15 to pin 15 and fix the
voltage.
(4) Apply a 10-kHz, 0.1-VH, sine wave to pin 21 via
a 10-,uF capacitor.
(5) Measure the AC amplitude of pin 11 (V11).
Gv = output amplitudelinput amplitude
(¢— o.1 vp_p)
TA8819F - 14
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 t 3°C)
SW 81 VR MODE
5 HA RP-
NESS BRT
SW2 SW3 SW4 CONT
TEST METHOD
Frequency characteristic
speci-
OFF INT OFF center center ,
(1) Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
(2) Apply a 0.1-Vp_p sine wave to pin21 via a 10-,uF
capacitor.
(3) Measure the frequency which decreases by 3 dB
from the amplitude when pin 11 AC amplitude
is at 10kHz.
Contrast adjustment voltage
OFF INT OFF 5pm" center Spad-
fied fied
(1) Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
(2) Measure DC voltage V15 or pin 15.
(3) Apply DC voltage V15 to pin 15 and fix the
voltage.
(4) Apply a 10-kHz, 0.1-Vp.p sine wave to pin 21.
(5) Set CONT VR to
the maximum and Pin 11 voltage
minimum, and
measure the AC
amplitude of pin
11. Define them as
100% and 10%,
respectiveiy.
(6) Adjust CONT VR. Measure the CONT pin (pin 18)
voitage when the pin 11 amplitude is 90% and
10% (V90%, V10%).
AVct = V90% - V10%
cht Pin 19 voltage
TA8819F - 15
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 i 3°C)
SW & VR MODE
5V1 SV2
SHARP-
TEST METHOD
Contrast adjustment gain
speci-
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
Measure the DC voltage of pin 15 (V15).
Apply DC voltage V15 to pin 15 and fix the
voltage.
Apply a 10-kHz, 0.1-Vp_p sine wave to pin21.
Set CONT VR to the maximum and minimum,
and measure the AC amplitude of pin11.
Define them as Vmax and Vmin, respectively.
dGct = 20 Cog (Vmax/Vmin)
Frequency characteristic
change due to contrast
adjustment
speci-
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
Apply a 4-MHz, 0.2—Vp_p sine wave to pin 21.
Set CONT VR to the maximum and minimum,
and measure the AC amplitude of pin 11.
Define them as Vmax (4M) and Vmin (4M),
respectively.
Measure the AC amplitude of pin 11 when
input signal frequency f = 100 kHz. Define them
as Vmax (100k) and Vmin (100k), respectively.
Calculate the following formula using the
measured values.
20 £09 (Vmax (4M)leax (100k))
20 fog (Vmin (4M)/Vmin (100k))
de: -—
TA8819F - 15
TOSHIBA
TA8819F
NUM- CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V' Ta = 25 i 3°C)
SW 8: VR MODE
SHARP-
TEST METHOD
Gain change amount at
V-17 minimum sharpness
adjustment
center
speci-
speci-
Adjust ERT VR so that the DC voltage of pin11
equals 0.9V.
Apply a 2.4-MHz, 02'va sine wave to pins 19
and 21.
Set sharpness VR to the maximum and
minimum, and measure the AC amplitude of
pin 11. Define them as Vmax and Vmin,
respectively.
Gpsrnin = 20 (cg (V11min/V11max)
Gain change amount at
V-18 maximum sharpness
adjustment
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
Apply a 2.4-MHz, 0.2-Vp-p sine wave to pin 19.
Measure the AC amplitude of pin 11 and define
it as v11 (2.4M).
Measure the AC amplitude of pin 11 when
input signal frequency f = 100 kHz and define it
as V11 (100k).
Gpsmax = 20 fog (V11 (2.4M)IV11 (100k))
Sharpness adjustment
V49 characteristic
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9 V.
Apply a 2.4-MHz, 0.2-Vp.p sine wave to pin19.
Measure the AC amplitude of pin 11 and define
it as V11 (2.4M).
Measure the AC amplitude of pin 11 when
input signal frequency f = 100 kHz and define it
as V11 (100k).
Gpso = 20 (09 (V11 (2.4M)/V11 (100k))
V-20 Pin 13 output voltage
center
center
speci-
Measure the DC voltage of pin 13.
TA8819F - 17
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, VCE 5V, Ta = 25 i 3°C)
SW 81 VR MODE
SHARP—
TEST M ETHOD
Pedestal potential after ACL
adjustment
White amplitude after ACL
adjustment
switch-
speci-
center
speci-
Connect pin 17 (ACL) to GND (SW4 : on).
Input 100% white signal of 0.38 Vp.p to pin 21.
Adjust BRT VR so that the pin 11 pedestal level
equals 1.0V ; adiust CONT VR so that the pin
11 white level equals 2.1 V (pedestal to white :
1.1vo_p).
Disconnect pin 17 from GND. Measure the pin 11
pedestal potential and pedestal to white
amplitude (SW4 : off).
3-axis output DC deviation
(8 l G)
3-axis output DC deviation
C8 nter
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
Measure the DC voltage of pins 10, 11, and 12
(V10, V11, V12).
VofB/G = V12 — V11
VofR/G = V10 - V11
3-axis AC gain deviation
3-axis AC gain deviation
center
center
speci-
Adjust BRT VR so that the DC voltage of pin 11
equals 0.9V.
Measure the Dc voltage of pin 15 (v15).
Apply DC voltage V15 to pin 15 and fix the pin
voltage.
Apply a 10-kHz, 0.1 V“, sine wave to pin 21.
Measure the AC voltage of pins10, 11, and 12
(V10, V11, V12).
dGB/G = 20609 (V12 — V11)
dGR/G = 20609 (V10 - V11)
(Note) V11 here is the same as V11 in V-12.
TA8819F — 18
TOSHIBA
TA8819F
Chroma block
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 t 3°C)
SW 8: VR MODE
TEST METHOD
Pin 23 input resistance
center
center
center
(1) Turn Vcc off.
(2) Measure the resistance between pin 23 and
(3) The voltage applied between the pins must
be less than 0.5V.
Color difference output
Color difference output
Color difference output
speci-
center
cente f
(1) Input unicolor signal with amplitude 75 mVp.p
and burst chroma ratio 1:1, or rainbow color
bar signal.
(2) Adjust (or change chroma tint) TINT VR for
pins 10, 11, and 12 separately. When the color
difference output is at the maximum. measure
the output amplitude (Vo_p).
(Note) When the unicolor signal is input,
measure the red signal on pin 10 ; the
green signal on pin 11 ; and the blue
signal on pin12.
Color change amount
center
speci-
center
(1) Input unicolor signal (blue) with amplitude 75
mvw and burst chroma ratio 1:1, or rainbow
color bar signal.
(2) Measure the B-Y color difference output
amplitudes (Vomax, Vosent) when COLOR VR
is at the maximum and center on pin 12.
(3) ec = 20 €09 (Vomax’Vosent)
Unicolor change amount
center
speci-
center
(1) Input unicolor signal (blue) with amplitude 75
mVp.p and burst chroma ratio 1:1, or rainbow
color bar signal.
(2) Measure the B-Y color difference output
amplitudes (Vomax: Vomin) when CONT VR is
at the maximum and center on pin12.
(3) eu = 20 €09 (Vomax/Vomin)
TA8819F - 19
TOSHIBA
TA8819F
NUM- CHARACTE RISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 i 3°C)
SW 8: VR MODE
TEST METHOD
C-7 Tint change amount
center
center
(1) Input standard color bar signal. (pin23 signal
level)
Burst : 75 mVW, R bar : 225 ”NW
G bar : 210mVp.p, B bar : 160 mVW
Change TINT VR, measuring the maximum
value of R bar on pin 10, G bar on pin 11,
and B bar on pin 12. Define them as V Rmax,
V Gmax, and V Bmax.
Fix TINT VR to the maximum. Measure the
amplitude of R bar on pin 10, G bar on pin
11, and 8 bar on pin12. Define them as R
Tmax, G Tmax, and B Tmax.
Fix TINT VR to minimum. Measure the
amplitude of R bar on pin 10. G bar on pin
11, and B bar on pin12. Define them as R
Tmin, G Tmin, and B Tmin.
R 6 (+) = cos" (R Tmax/V Rmax) + 1.5
G 0 (+) = cos“ (G Tmale Gmax) + 0.6
B 9 (+) cos“ (B Tmax/V Bmax) -— 12.4
R 6 (-) cos" (R Tmin/V Rmax)-1.5
G 0 (—) cos" (G Tmin/V Gmax) — 0.6
B 9 (-) cos“ (B Tmin/V Bmax) + 12.4
TA881 9F - 20
TOSHIBA
TA8819F
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5VJ Ta = 25 t 3°C)
CHARACTERISTIC
SW & VR MODE
TEST METHOD
(R6,G€,B€)
speci-
center
(1) Input rainbow color bar signal.
(pin 23 signal level). Burst and chroma :
7s mvw
Set TINT VR to the center.
Measure the amplitude difference between R
bar (third bar) on pin 10 and its adjacent bars.
Where the difference from the second bar is
A and from the fourth bar is B :
R 6 = 90 — tan" (2 -\/'3)
(1 — 2AI(A + 8))
Measure the amplitude difference between G
bar (fourth bar) on pin 11 and its adjacent
bars. Where the difference from the third bar
is A and from the fifth bar is B :
G 6 =240 - tan" (2 —\/‘3)
(1 — 2AI(A + 8))
Measure the amplitude difference between 8
bar (sixth bar) on pin 12 and its adjacent bars.
Where the difference from the fifth bar is A
and from the seventh bar is B :
a 6 = tan“ (2 — V5) (1 — 2AI(A + 3))
Residual color
center
ce nte F
Input standard color bar signal. (pin 23 signal
level)
Burst : 75 mVp_p, R bar : 225 mVp.p
G bar : 210mVVp, 3 bar : 160 mVp.p
Set COLOR VR to the center. Use a spectrum
analyzer to measure the level of the 15.734-
kHz component in the R bar on pin 10, G bar
on pin11, and 8 bar on pin 12.
Set COLOR VR to the minimum, fix pin 16 to
0.5V (killer off), and measure the levels as in
step (2) above.
Calculate on each axis the level difference
when COLOR VR is set to the center and the
minimum.
TA881 9F - 21
TOSHIBA
TA8819F
NUM- CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 2 3‘0
SW 8: VR MODE
TEST METHOD
Demodulation relative
amplitude (R-Y I B-Y)
Demodulation relative
ampIitude (G-Y I B-Y)
speci—
center
center
(Note) Calculate the following based on the
measured values in C2 to C4 above.
RIB VRIVB
G/B VG/VB
Demodulation relative phase
(R-Y I B-Y)
Demodulation relative phase
(G-Y I B-Y)
speci-
center
center
(Note) Calculate the following based on the
measured values in C8 above.
R - B 105 + R 6 - B 6
G - B 240 + G 6 - 8 6
Demodulation output
014 _ _
reSIdual carrier
speci-
center
center
(1) Use a spectrum analyzer to measure the level
of a sine wave of amplitude 200 mVp.p and
frequency fsc and define it as L200.
Use the spectrum analyzer to measure the
residual carrier level of the color difference
output for pins10, 11, and 12. Define them as
LR, LG, and LB, respectively.
Calculate the demodulation output residual
carrier for each axis using the following
formula.
K = (LC— L200)/20
(cunt G‘ B 1:331:15)
e CR = 200-(10‘)
C—15 Killer operation input level
center
center
center
Input unicolor signal with amplitude 75 mVp.p
and burst chroma ratio 1:1, or rainbow color
bar signal to the chroma input pin via the
attenuator.
While monitoring the color difference output
of pin 10, 11, or 12, decrease the chroma
input level.
Read the attenuation amount when output
stops.
(Note) Input, to the sync and video input
pins, signals which do not pass the
attenuator.
TA8819F - 22
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 1' 3°C)
5W & VR MODE
TEST METHOD
ACC characteristic
center
center
CE nter
Input sine wave with amplitude 75 mVM and
frequency fSC to the chroma input pin via the
attenuator.
Measure the 1-H interval pulse amplitude
output on pin 12 (6 axis output) and use this
as the reference output level.
Increase/decrease the attenuation level and
determine the attenuation amount when the
output level change equals 1 1 dB.
(Note) Input, to the sync and video input
pins, signals which do not pass the
attenuator.
Control sensitivity
ce nter
center
center
Provide an electrically floating test pin near
pin 7. Use an FET probe to measure the sub
carrier frequency induced on the test pin.
Connect external power supply to pin 6.
Supply voltages of 0.5V and 1.5V and
measure frequencies f05 and f15 and calculate
the following.
(fos — f15)
5‘ = 1000 mV
APC pull-in range
center
center
ce nter
Input to pin 23 a sine wave with a reference
frequency of 3.579545 MHz and an amplitude
of 75 mvp.p.
Input composite syn: signal to pin 25.
Use an oscilloscope to monitor pin6.
Increase or decrease the signal frequency of
step (1) above. Unlock the synchronization of
the signal in step (1) with the oscillator
output signal (aut-of—sync when monitor
waveform starts fluctuating).
Decrease or increase the signal frequency of
step (1) above. Measure the difference
between the oscillator frequency and the
reference frequency (peak and bottom) when
the signal in step (1) and the oscillator output
signal lock.
TA8819F — 23
TOSHIBA
TA8819F
NUM- CHARACTERBTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 i 3°C)
SW 8: VR MODE
TEST METHOD
C-19 APC hold range
center
center
center
Input a sine wave with a reference frequency
of 3.579545 MHz and an amplitude of
75 mvw to pin 23.
Input composite sync signal to pin 25.
Use the oscilloscope to monitor pin 6.
Increase or decrease the signal frequency of
step (1) above. Measure the difference
between the oscillator frequency and the
reference frequency (peak and bottom) when
the signal in step (1) and the oscillator output
signal unlock (out-of-sync when monitor
waveform starts fluctuating).
TA8819F - 24
TOSHIBA
TA8819F
Sync block
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, VCC = 5V, Ta = 25 t 3°C)
SW 8: VR MODE
TEST METHOD
Horizontal output pulse
Horizontal output pulse
delay time
Horizontal output saturation
Pin 25 input
signal
Pin2 output _| TN“
signal __
Vertical output pulse width
Vertical output pulse delay
Pin 2 output
signal
Pin 3 output signal
(odd-numbered !
field)
Horizontal osci Ilation
frequency
(1) Connect pin 25 to Vcc.
(2) Measure pinz frequency.
Horizontal AFC puIl-in range
(1) Apply a horizontal sync signal (PG) with
amplitude 286 mV and pulse width 4.8 [15 to pin
25. Set the standard horizontal frequency to
15.734 kHz.
(2) Use the oscilloscope to monitor the signals on
pinsz and 25. Change the PG frequency,
measuring it at the moment when the state
changes from out—of—sync to sync.
(3) Define the frequency when it is pulled in from
high as fHH ; from low, as fHL-
d f pul = (fHH -fHL)12
TA8819F - 25
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, Vcc = 5V, Ta = 25 i 3°C)
SW & VR MODE
TEST METHOD
Horizontal AFC hold range
Apply a horizontal sync signal (PG) with
amplitude 286 mV and pulse width 4.8/5 to pin
25. Set the standard horizontal frequency to
15.734 kHz.
Use the oscilloscope to monitor the signals on
pinsZ and 25. Change the PG frequency,
measuring it at the moment when the state
changes from sync to out-of-sync.
Define the frequency when it is out-of-sync to
high as fHH ; to low, as fHL-
d f ho|=(fHH-fH|_)IZ
Horizontal AFC hold limit
Use an attenuator to apply a horizontal sync
signal (PG) with amplitude 286 mV and pulse
width 4.8 #5 to pin 25. Set the standard
horizontal frequency to 15.734 kHz.
Use the attenuator to change the pin 25 input
signal level, reading the attenuation amount at
the moment when the state changes from sync
to out-of sync.
Gate pulse width
Gate pulse delay time
Pin 25 input
signal
Pin 4 output TpdGP
signal " ' '
OV— ................... _
TA8819F - 26
TOSHIBA
TA8819F
CHARACTERISTIC
TEST CONDITIONS (UNLESS OTHERWISE SPECIFIED, vccisv, Ta = 25 t 3°C)
SW & VR MODE
TEST METHOD
Gate pulse generation limit
Use the attenuator to apply a horizontal sync
signal (PG) with ampiitude 286 mV and pulse
width 4.8 [15 to pin 25. Set the standard
horizontal frequency to 15.734 kHz.
Use the oscilloscope to monitor the pin 4 signal.
Use the attenuator to attenuate the pin 25
input signal level, reading the attenuation
amount when gate pulse output becomes
unstable.
Vertical sync pulI-in range 1
Vertical sync pulI-in range 2
Apply a variable-interval composite sync signal
(PG) with amplitude 286 mV to pin 25.
Set the standard horizontal frequency to 15.734
kHz, the horizontal sync pulse width to 4.8/ls,
the verticai frequency N to fH/262.5, and the
vertical sync pulse width to 3 H.
Use the oscilloscope to monitor pin3 and 25
signals. Change the PG frequency. measuring
the PG frequency at the moment when the
state changes from out-of-sync to sync.
Define the frequency when it is pulled in from
high as th ; from low. as fVL.
Vertical sync hold limit input
Apply a variable-interval composite sync signal
(PG) with amplitude 286 mv to pin 25.
Set the standard horizontal frequency to 15.734
kHz, the horizontal sync pulse width to 4.8 [15,
the vertical frequency N to fH/262.5, and the
vertical sync pulse width to 3 H.
Use the oscilloscope to monitor pin3 and 25
signals.
Use the attenuator to attenuate the pin 25
input signal level, reading the attenuation
amount just before the state changes from sync
to out-of-sync.
TA8819F - 27
TOSHIBA
TA8819F
TOSHIBA TA8819F
V/C/S lC TEST CIRCUIT
Com posite 2 k9 VCC
video signal SW1 ' SV2 O
a ' Delay line trap
159 Cl 56 pF I
SG Ps F-o SW2 SGIPF ca C)
SW? 1509 d, SVI .9
LL LU . 'LL' t I LL
Q. tk Q, +1
1.8kQ 4300 N. I; F LL _ g a .3
+ LL . .
" 112+; N callI’l :lgog o
I C} '- F '- m
=, I th x o. + c? + + Q
_- "'. o o
PS-l 32m 8 0 Q SW4
29 gbrltibf 26 AFC 25 24 V 17 ACL 16 Killer ACL On
J Sync
o-] separation loff
AFC input
32f VXO '
H detection ACC Picture -
Contrast
- Sync Ti t - C I ACL
separation In o or
) Horizontal J I . I
countdown
APC Killer
detection - detection DEMO
Vertical
. fsc VXO
countdown detection Matrix Clamp
SYNC _2 - 3 7 9 10 11 12 13 BRT1410k 15
GND HD VD CP/LD Tint APC cfsc V/C Color R G B VREX c: -Clamp
u. )4on |_|_GND output output output -: I u.
m .. o. . + et. + Q,
cl C} C} B) 0 LL wT m (B) LL + m o N.
i x x c: 'il 1 _ c: ml. C2(B) IFIIN
m m m x cu m I =*1 x '" x
F - F m
Fl T0 S 3
Vreg+5V (J) J) (L
(*1) : 3.58 MHz X'tal
(w2) : 32-fH ceramic oscillator
NR-18 (HC-49/U) (made by Nihon Denpa Kogyo Co, Ltd)
CSBSO3F10 (made by Murata Manufacturing, Co, Ltd)
28 2001-06-25
TOSHIBA TA8819F
PACKAGE DIMENSIONS
SSOP30-P-375-1.00 Unit : mm
c'ihvvwinwmi1jil-"-
7 5:0 2
10.7:03
(375mil)
j? H H
EHHHJHHHHHH
15.9MAX J
[ 5ihr-- li
co ts.
—"——_—fir
‘10. x
". " 0.92:t0.2
Weight : 0.63g (Typ.)
29 2001-06-25
TOSHIBA TA8819F
RESTRICTIONS ON PRODUCT USE
000707EBA
OTOSHIBA is continually working to improve the quality and reliability of its products.
Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent
electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer,
when utilizing TOSHIBA products, to comply with the standards of safety in making a safe
design for the entire system, and to avoid situations in which a malfunction or failure of such
TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please
keep in mind the precautions and conditions set forth in the "Handling Guide for
Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc..
OThe TOSHIBA products listed in this document are intended for usage in general electronics
applications (computer, personal equipment, office equipment, measuring equipment, industrial
robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor
warranted for usage in equipment that requires extraordinarily high quality and/or reliability or
a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended
Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship
instruments, transportation instruments, traffic signal instruments, combustion control
instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA
products listed in this document shall be made at the customer's own risk.
0 The products described in this document are subject to the foreign exchange and foreign trade
OThe information contained herein is presented only as a guide for the applications of our
products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of
intellectual property or other rights of the third parties which may result from its use. No
license is granted by implication or otherwise under any intellectual property or other rights of
TOSHIBA CORPORATION or others.
0 The information contained herein is subject to change without notice.
30 2001-06-25
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www.loq.com
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