TA1275Z ,SECAM DEMUDULATOR PROCESSORTA127SZTA12752 is the SECAM demodulation IC, which
accomplishes a multicolor system with TB1231 se ..
TA1276AFG ,PAL/NTSC Video Chroma And Deflection IC For CTV (normal scan/double scan mode)Features • Video/chroma section • Y delay line • Chroma trap • IQ demodulation for NTSC, UV demodul ..
TA1276AN ,PAL / NTSC VIDEO CHROMA AND DEFLECTION IC FOR CTV (NORMAL SCAN / DOUBLE SCAN MODE)TA1276AN TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TENTATIVE TA1276AN PAL / N ..
TA1281FN ,UHF/VHF TUNER ICTA1281F/FA/FNTA1 721 F TA1 721 " TA1 721 FM""""""mrr""' """"""mrr"""" M....--..."The TA1281F, TA128 ..
TA1282N , EPITAXIAL PLANAR PNP TRANSISTOR (HIGH CURRENT)
TA1284FN ,UHF / VHF TUNER IC (Low Phase Noise Oscillator)FEATURES Supply voltage : 5V Built-in mixer / oscillator for VHF and CATV bands Built-in mixe ..
TC4049BFN ,HEX BUFFER/CONVERTER (Inverting Type)TOSHIBA TC40493P/BF/BFN,TC4OSOBP/BF/BFNTC404QBP, TC4049BF, TC404QBFNTC4050BP, TC4OSOBF, TC4OSOBFNTC ..
TC4049BP ,HEX BUFFER/CONVERTER (Inverting Type)TOSHIBA TC40493P/BF/BFN,TC4OSOBP/BF/BFNTC404QBP, TC4049BF, TC404QBFNTC4050BP, TC4OSOBF, TC4OSOBFNTC ..
TC4050BF ,HEX BUFFER/CONVERTER (Non-Inverting Type)TOSHIBA TC40493P/BF/BFN,TC4OSOBP/BF/BFNTC404QBP, TC4049BF, TC404QBFNTC4050BP, TC4OSOBF, TC4OSOBFNTC ..
TC4050BFN ,HEX BUFFER/CONVERTER (Non-Inverting Type)ELECTRICAL CHARACTERISTICS NSS-- OV)SYM-
CHARACTERISTIC TEST CONDITION V UNIT
CHARAcTERsTclrtr- l ..
TC4050BP ,HEX BUFFER/CONVERTER (Non-Inverting Type)TOSHIBA TC40493P/BF/BFN,TC4OSOBP/BF/BFNTC404QBP, TC4049BF, TC404QBFNTC4050BP, TC4OSOBF, TC4OSOBFNTC ..
TC4051BF ,SINGLE 8-CHANNEL MULTIPLEXER/DEMULTIPLEXERTO S H I BA TC4051 B P/B F/B FN/B FT,TC4052B P/B F/B FN/B FT,TC4053B P/B F/B FN/B FTTC4051BP, TC405 ..
TA1275Z
SECAM DEMUDULATOR PROCESSOR
TOSHIBA TA12752
TENTATIVE TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA’IIZ7SZ
SECAM DEMODULATOR PROCESSOR
TA12752 is the SECAM demodulation IC, which
accomplishes a multicolor system with TB1231 series.
This IC requires very few external parts.
FEATURES
0 Working with TB1231 series, which is PAL/NTSC PIF/VIF/
VIDEO/CHROMA/DEF processor.
o Built-in Bell filter
It Built-in FM demodulator with PLL circuit for color . SZlP21-P-0.89
demodulation and SECAM identification Weight 1 1.0g (Typ.)
0 DC voltage offset of demodulated signal adjuster
It Input terminals for external R-Y/B-Y signals
1 2001-06-25
BLOCK DIAGRAM
P/N 3v GATE 2,2 3.9sv
260/2A“
+2 OnA
3"" 2" ll +70kHz I BELL-ON
G H+VL 33m 5313 L L
/W J AUTO—o— "35110 —o-«
0.01pF147m 1th
— ZDOnA
H138V§l miipF BELL-OFF iL/JF
4.97v[ j ”t 2. 71v ; ”5"”1; 3.3sv
SL .27 1 é)2. 51v 19 5 SmA 63 652.53v 5 2.37v 14 2. 61V 13 BELJQ-{VV 12 2 88V
SYSTEM H/H+V 4.43cw4N (Cuc 5v scp IN BELL com v IN BELL- c IN
IIO SW ID SW GATE WIDTH LSE) Fo Fi‘ter S-LOVSVWPASS Filfer
j° 250n ; 5.5M- l FLIP! SYS- _ GPIH/V
o— Y-DL : TRAP CLAMP «- FLOP I. ”0 <1: LOGIC‘! -> SEPA‘ —- PULSE 3')
R.EIack S- —E fo-Adj — fO-SH!FT BELL— gare-
Cont IDENT ——[’ -det -DA<: DAC width/sw
R-Y ‘_ R-Y J __ Low- ‘_ 4.43M? bell- BELL— -—
DeEmp Permu ¢- Pass VCO moni Adj-det 1} -CW
PI'N IS ~— R-Yl LOW 4.43M
R-Y.SW "— -Pass
J ' L ' L |
-B-Y/Low B-Y B—Y PHASE BELL- - COLOR 1/2- low-p
L._ ‘— DEMO -DET L'M‘T FILTET ‘— sw «— AMP TRAP Isw ‘
DeEmp Permu
B-Y SW -Pass
B.EIack __ IDENT ACC
Cont "I AMP com
—-—-————* TA12752
Y OUTI DL MODE R-Y BLACK B—Y BLACK PIN V 5V PIN B-Y
BELL MON SW R-Y OUT CONT B-Y DUT CONT [0 Filter R-Y IN .C} IN GND
89” MM 2 :“VCU (.2) Pl” (3) (.4 FIN C5) (.5) 7 CB 9 ‘0 1‘
2:034: v mm 3223 3,23 s 2 4‘39" 2.69V 35m 2.59v
a: PIN
0018 F TES'H 1.91v'
R IDIB ID
118/88mvp_p
Trap 1) S
SECAM I BIW Trop+DL£ -—o-- —o--
marmflnmn ”L azgraamx,
roug — m
Trop IThrough 720mvpp
o: —o--
> +30/ —3an
(+17l-43mV)
12'dl, 0
dri LO’D
32135 0
TA12752 — 2
TOSHIBA
TA12752
TOSHIBA
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCCmax 8 V
Signal Voltage at Each Input
Pin einmax 5 Vp-p
Power Consumption PD (Note) 780 mW
Power Consumption . o
Reduction Ratio 1/Qja 6.3 mW/ C
Operating Temperature Topr -20--65 "C
Storage Temperature Tstg - 55--150 ''C
(Note) Refer to the figure below.
POWER CONSUMPTION
REDUCTION RATIO PD (mw)
Fig. Power consumption reduction against higher temperature.
AMBIENT TEMPERATURE Ta (°C)
TA12752
TOSHIBA TA12752
RECOMMENDED CONDITION IN USE
CHARACTERISTIC DESCRIPTION MIN. TYP. MAX. UNIT
Supply Voltage pin 9, 18 4.5 5.0 5.5 -
. . o . .
Y Input Signal Level Ct? . 100%, including 0.9 1.0 1.1 Vp-p
Color Difference Input Level Burst level 270 300 330 mVp-p
G level 3.25 4.0 5.0
SCP Input Level H level 1.95 2.1 2.6 V
V level 1.1 1.25 1.4
ELECTRICAL CHARACTERISTICS
(YC Vcc/PULSE Vcc=9V, Ta =25°C, Unless otherwise specified)
Current consumption
PIN NAME SYMBOL CIR- MIN. TYP. MAX. UNIT
Vcc (Y/C) Icc1 - 30.8 36.3 44.4 mA
Vcc (PULSE) Iccz - 8.3 9.8 11.9
4 2001-06-25
TERMINAL VOLTAGE
PIN TEST
No. PIN NAME SYMBOL CIR- MIN. TYP. MAX. UNIT
1 Y OUT VI - 2.30 2.50 2.70
2 MODE sw v2 - 1.30 2.00 2.20
3 R-Y OUT v3 - 2.30 2.60 2.90
4 R-Y BLACK CONTROL v4 - 2.30 2.50 2.70
5 B-Y OUT v5 - 2.30 2.60 2.90
6 B-Y BLACK CONTROL Vii - 2.30 2.50 2.70
7 S-ID FILTER (killer OFF) v7 - 4.25 4.55 4.85
8 EXT. R-Y IN v8 - 2.50 2.70 2.90
10 EXT. B-Y IN v10 - 2.50 2.70 2.90 v
12 FO-ADJ. FILTER v12 - 2.55 3.00 3.45
13 c IN v13 - 3.20 3.40 3.60
14 BELL ADJ. FILTER v14 - 2.35 2.65 2.95
15 Y IN v15 - 2.10 2.35 2.60
16 BELL CONTROL v15 - 2.30 2.50 2.70
19 4.43MHz CW-IN v19 - 2.50 2.75 3.00
20 ID sw v20 - 2.30 2.50 2.70
21 SECAM ID I/O (killer OFF) v21 - 0.00 0.20 0.60
TA12752
(Note) Pin 12, 13, 16, 17 and 18 are weak against static electricity and surge impulse. Please
take confer measure to meet, if necessary.
TERMINAL INTERFACE
PIN PIN NAME
FUNCTION
INTERFACE CIRCUIT
INPUT/OUTPUT SIGNAL
‘l YOUT
The output pin for Y
signal. Standard output
level is 1.0Vp_p. The
5.5MH2 trap filter and
delay line on the Y
Signal processing is
controlled by the switch
on 'pin #2.
The output signal of
the bell filter can be
monitored on this pin
by switching pin#13 for
testing.
Vrf0tir
2 MODE SW
The pin for controlling
the Y processing mode.
to VCC : 5.5MH2 trap
open :' 5.5MHz
trap+D. L.
to GND : DL
U a 0 E
l I tfide
TA127SZ-6
TOSHIBA
TA12752
P'N PIN NAME
FUNCTION
INTERFACE CIRCUIT
lNPUT/OUTPUT SIGNAL
3 R-Y OUT
The output pin for
demodulated R-Y signal.
Standard output levei is
0.7Vp.p with standard
color bar signal.
R—Y processor has a LPF
to eiiminate the carrier
components.
R-Y BLACK
CONTROL
The pin for controlling
the black offset level.
Adjusting range is
within i30mV
(This pin should be
opened in the case of
using with TB1231,
because TB1231 has an
IIC BUS control for
SECAM black
alignment.)
V27 OZ
TA127SZ - 7
TOSHIBA
TA12752
PIN NAME
FUNCTION
INTERFACE CIRCUIT
lNPUT/C‘UTPUT SIGNAL
B-Y OUT
The output pin for
demodulated B-Y signal.
Standard output level is
0.56vp-p.
B-Y processor has a LPF
to eliminate the carrier
components.
B-Y BLACK
CONTROL
The pin for controlling
the black offset level.
Adjusting range is
within i30mV
(This pin should be
opened in the case of
using with TB1231,
because TB123‘I has an
llC BUS control for
SECAM black
alignment.)
ttrf0t
TA127SZ— 8
TOSHIBA
TA12752
'3‘” PIN NAME
FUNCTION
INTERFACE CIRCUIT
lNPUT/OUTPUT SIGNAL
7 5-D FILTER
The pin for connecting
the SECAM ident filter
capacitor.
A too big capacitor
causes a time delay to
get color signal on a
picture, and a week RF
signal performance
would getting worth if
the capacitor is too
small.
8 EXT. R-Y IN
The input pin for
external R—Y signal. The
gain of the internal
amplifier is OdB.
NI A-tiS
9 5V VCC
The VCC pin for Y/C
processing block.
TA12752 — 9
TOSHIBA
TA12752
PIN NAME
FUNCTION
INTERFACE CIRCUIT
[NPUT/OUTPUT SlGNAL
EXT. B-Y IN
The input pin for
external B-Y signal. The
gain of the internal
amplifier is DdB.
c c G)
2.5 2.5
NI A-SS
The GND pin.
FO—ADJ. FILTER
The pin for connecting
a capacitor for
automatic adjusting
circuit.
A too big capacitor
causes a time delay to
get color signal on a
picture, and the picture
noise, flicker, wouId be
appeared if the
capacitor is too small.
TA127SZ - ‘10
TOSHIBA
TA12752
PIN NAME
FUNCi'ION
INTERFACE CIRCUIT
lNPUT/OUTPUT SIGNAL
The chroma signal input
pin. Appiy composite
signal through 100pF of
coupling capacitor.
Standard input signal
level is 1Vp-p.
The bell monitor switch
for testing is overlaid
on this pin. When
connecting this pin to
GND through 47k0, the
bell filter output is
observed on the pin #1
(Y—OUT).
ddst tN
mos mzs mm
Vn' os
The pin for connecting
the filter capacitor for
the bell filter f0,
4.427MH2.
A too big capacitor
causes a time delay on
beii filter f0 adjusting,
and picture wouid be
noisy if it is too smail.
_E--------v--Y
TA12752 - 11
TOSHIBA
TA12752
P'N PIN NAME
FUNCTION
INTERFACE CIRCUIT
INPUT/ OUTPUT SIGNAL
15 YIN
The Y signal input pin.
Apply the composite
signal into this pin
through a coupling
capacitor.
The standard input level
is 1.0V“,
16 BELL CONTROL
The pin for selecting
the bell filter f0.
f0+7DkHz : connect
to Vcc:
f0 : open
f0+35kHz : connect
to GND
ttz/OS
Itri02
(5)105
TA12752 — 12
TOSHIBA
TA12752
PiN NAME
FUNCTION
INTERFACE CIRCUIT
INPUT} OUTPUT SIGNAL
S.C.P IN
The pin for input the
sand castle puise, SCP.
5V Vcc
VCC pin for logic block.
4.43MH2 CW-IN
The pin for input
4.43MH2 of carrier wave
for self adjustment
circuit. Input SOOmVp-p
sine wave through a
coupting capacitor.
The switch for changing
the gate pulse width is
overlaid on this pin.
+200n5 : 'to VCC thru
Ons : open
—200nS : to GND thru
ttrfot
triot 010 1
TA12752 - 13
TOSHIBA
TA12752
PIN NAME
FU NCTION
INTERFACE CIRCUIT
INPUT/OUTPUT SIGNAL
The switch pin for
selecting the ID
detection mode.
H +V : connected to
Auto search (H, V,
H +V): opened
H : connected to
:IF’DS
5m. ,f‘
(5)35:
(3)106
SECAM ID l/O
The interface pin to the
main processor 0.9..
TB1231).
This input/output
interface pin sinks
270/.zA of current when
the TA12752 recognizes
the SECAM input signal,
turns the internal/
external switch by the
input DC voltage.
Internai GND~2.5V
Externai : 2.5V~Vcc
ttrfotr
-r---AtN---
: 50161 mi '
ASL'I.
TA127SZ - 14
TOSHIBA
TA12752
TOSHIBA TA12752
AC CHARACTERISTIC (Unless otherwise specified, Vcc=5V (9 & 18pin), Ta =25°C)
TEST RATING
No. ITEM SYMBOL CIR- TEST CONDITION UNIT
CUIT MIN. TYP. MAX.
Bell Monitor Output
1 Amplitude ebmo - (Note 1) 120 190 310 mV(p-p)
2 Bell/Filter f0 forc - (Note 2) -23 0 23 kHz
. . fOB-H +40 + 70 + 100 kHz
3 Bell/Filter f0 Variable Range fOB-L - (Note 3) +10 +35 +60 kHz
4 Bell/Filter f0 Vcc Drift AfOBELV - (Note 4) -25 0 +25 kHz
5 Bell/Filter f0 Thermal Drift AfOBELT - (Note 5) -30 0 +30 kHz
6 Bell/Filter Q QBEL - (Note 6) 14 16 18 -
7 fe. Difference Output VRS - (Note 7) 0.39 0.56 0.73 Vip-p)
Amplitude V35 0.5 0.7 0.99 V(p-p)
8 folo.rPif/erence Relative R/B-S - (Note 8) 1.24 1.35 1.52 -
Amplitude
. SNB-S -40 -46 - dB
9 Color Difference S/N SNR-S - (Note 9) -40 -46 - dB
Color Difference Output VCC AVBVH -8 0 +8 %
10 Drift AVBVL - (Note 10) -8 0 +8 %
Color Difference Output AVBTH -8 0 +8 %
11 Thermal Drift AVBTL - (Note 11) -8 0 +8 %
. . LinB 93 100 107 %
12 Linearity LinR - (Note 12) 93 100 107 %
. . . trR - 1.3 2.0 pt;
13 Rising Time trB - (Note 13) - 1.3 2.0 ps
. HRL - 3.5 3.9 MHz
14 Demodulation Hold Range HBH - (Note 14) 4.75 5.2 - MHz
. CRL - 3.5 3.9 MHz
15 Demodulation Capture Range CBH - (Note 15) 4.75 5.2 - MHz
16 Killer Operation Input Level eSK - (Note 16) 0.5 1 2 mV(p-p)
Carrier Remains on CLRS - 3 10 mi/ip-p)
17 Demodulated Output CLBS - (Note 17) - 3 10 mutp-p)
ErR -3o 0 +30 mV
18 Black Level Offset ErB - (Note 18) -30 0 +30 mV
19 ID Voltage V21B/W - (Note 19) 4.4 4.8 5 V
20 ID Current 121coIor - (Note 20) 208 290 385 pzA
'21B/W - 0 10 PA
V21P/N 2.3 2.5 2.7 V
21 System SW Threshold Level V215 - (Note 21) 2.3 2.5 2.7 V
V3p/N 2.3 2.6 2.9 V
Color Difference Output DC V5p/N 2.3 2.6 2.9 V
22 Level v35 - (Note 22) 2.2 2.5 2.8 v
v55 2.2 2.5 2.8 v
15 2001-06-25
TOSHIBA TA12752
TEST RATING
No. ITEM SYMBOL CIR- TEST CONDITION UNIT
CUIT MIN. TYP. MAX.
AErR+ 27 30 33 mV
R-Y/B-Y Color Black Level AErR_ -33 -30 -27 mV
2 - N 2
3 Control Characteristics AErB+ ( ote 3) 27 30 33 mV
AErB - - 33 - 30 - 27 mV
. . GEXTR 0.8 1.0 1.2 -
24 Ext. Color Difference Gain GEXTB - (Note 24) 0.8 1.0 1.2 -
25 4.43MH2 cw Min. Input Vcw - (Note 25) 200 - - mv(p.p)
. . WGPVCC 1.7 1.8 1.9 ps
P I W h V I
26 Gate u se idt ariab e WGp - (Note 26) 1.9 2.0 2.1 ps
WGPGND 2.1 2.2 2.3 [15
Y DL Characteristics
27 (at 3MHz) tYDL - (Note 27) 180 250 360 -
. . f0Y5.5 4.8 5.5 6.5 MHz
28 Y Trap Characteristics Gat f0 - (Note 28) 20 35 - dB
. DRYS 1.2 1.5 1.8 Vip-p)
29 Y Input Dynamic Range DRYBW - (Note 29) 1.2 1.5 1.8 Vip-p)
. GYS 0.8 1.0 1.2 -
30 Y Gain GYBW - (Note 30) 0.8 1.0 1.2 -
16 2001-06-25
TOSHIBA
TA12752
TEST CONDITION (Unless otherwise specified, Vcc=5V (9 & 18pin), Ta =25°C)
NOTE ITEM TEST CONDITION
(1) : Input a 75% color bar signal (200mVp-p at R ID)
1 Bell Momtor Output into PIn13. HHrrle-."
Amplitude (2) : Connect pm 13 to GND through 47kQ. em
(3) : Measure R-Y ID amplitude at Pin 1, that is "ebmo".
(1) : Input a 20mVp-p sine wave whose frequency is sweep
into Pin 13. Co
(2) : Connect pin 13 to GND through 47kQ.
2 Bell/Filter f0 (3) : Keep pin 16 opened.
(4) : Measure the frequency at which Pin 1 output is the
biggest, that is "f0BEL".
(5) : Calculate : "f0B-c"=f0BEL-4,286 [kHz].
(1) : Input a 20mup-p sine wave whose frequency is sweep into Pin13.
(2) : Connect pin 13 to GND through 47kQ. f0
. . (3) : Measure the frequency at which Pin 1 output is the €4.2_86MH2
3 'el:"" f0 Variable biggest when Vcc is 5.5V/4.5V, that is fOBEL5.5/ .
f0BEL4.5.
(4) : Calculate : 'HOB- Hu=fOBELH' -4,286 [kHz].
"f0B- L"=f0BELL- 4,286 [kHz].
(1) : Input a 20mVp- p sine wave whose frequency is sweep into 'Pin13.
(2) : Connect pin 13 to GND through 47kQ. f0
. (3) : Pin 16 is opened. s4.2_86MHz
4 'l/ill/tltr f0 (4) : Measure the frequency at which Pin 1 output is the .
biggest when Vcc is 5.5V/4.5V, that is fOBEL5.5/
f0BEL4.5.
(5) : Calculate: ""AfOBELv =f0BEL5.S- f0BEL4.5 . .
(1) : Input a 20mVp- -p sine wave whose frequency is sweep into 'Pin13.
(2) : Connect pin 13 to GND through 47kQ. f0
. (3) : Pin 16 is opened. id2.86MFiz
5 3:1: Filter f0 Thermal (4) : Measure the frequency at which Pin 1 output is the .
biggest when atmosphere is -2iy'C/ +65°C, that is
f0BEL-20/f0BEL+65.
(5) : Calculate : "nf0BELT"=f0BEL-20-f0BEL+65
(1) : Input a 20mVp-p sine wave whose frequency is
sweep into Pin 13. f9
(2) : Connect pin 13 to GND through 47k0. ?A'Z-BSMHZ
6 Bell/Filter Q (3) : Pin 16 is opened.
(4) : Observe the frequency response of Pin 1 output.
(5) : Calculate : ''QBEL''=(MAX-3dB Band Width)/
f0BEL.
(1) : Input a 75% color bar (200mVp-p at R ID) into Pin13. f0
(2) : Measure the R-Y output amplitude at Pin 3, that is i4.2_86MHz
7 Color Difference Output "VRS". .
Amplitude (3) : Measure the B-Y output amplitude at Pin 5, that is
IIVBS"
17 2001-06-25
TOSHIBA
TA12752
NOTE ITEM TEST CONDITION
8 Color Difference Calculate : "R/B-S"=VRs/VBs.
Relative Amplitude
(1) : Input a 200m1/p-p non-modulated chroma signal into Pin 13.
(2) : Measure the amplitude of noise on Pin 3, that is mg.
9 Color Difference S/N (3) : Measure the amplitude of noise on Pin 5, that is n3.
(4) : Calculate : "SNB-S"=2Mog (ZVZVBg/ng)
"SNR-S" = 208og (2o/2VRS / nR)
(1) : Input a 75% color bar (200mUp-p at R ID)
into Pin 13. xnggflnfg'xmee”
Color Difference Output (2) : Measure the B-Y output amphtude at Pin 5
10 . when VCC IS 5.5V/4.5V, that IS 1/BS5.5/
VCC Drift VBS ................
V3545-
(3) : Calculate : "nl/Bi/Fi''--),.!)))) [%]
”AVBVL" = (V3545 - VBS) / VBS*100 [%]
(1) : Input a 75% color bar (200mup-p at R ID)
. . V Ch betw
into Pin 13. i))'..s-tn.2)?.l.1l.ii.r.1sesr:c
Color Difference Output (2) . Measure the B-Y otitput amplitucie at T.5
11 . when atmosphere IS -20 C/ +65 C, that IS
Thermal Drift VBS ................
l/BS-ao/VBS)
(3) : Calculate : ''VBsTH"=(VBs+65-VBS)/VBs*100 [%]
"VBSTL" = (VBs - 20 - VBS) /VBs*1oo [%]
(1) : Input a 75% color bar (200mup-p at R ID) into Pin13.
(2) : Measure the amplitude between Black and Reel _................ LinR
Cyan/Red, that is VCyan /Vited.
12 Linearity (3) : Measure the amplitude between Black and cyan .........................
Yellow/Blue, that is erHOW/vglue. V......................
(4) : Calculate : "LinR''=ucyan/VRed _
"LinB" = VYellow/VBlue Lin8 _............ Y "dTow
(1) : Input a 75% color bar (200mVp-p at R ID) Magenta
into Pin 13. t,B,t,R
13 Rising Time (2) : Measure the rising time (from 10% to 90%)
between Green and Magenta at Pin3/Pin 5, Green 5 5
that is ''trR"/''trB". 10% 90%
14 Demodulation Hold (1) : Input a 200mVp-p, 2MHz sine wave into Pin13.
Range (2) : Increasing the input frequency, measure the 4-2.5M
frequencies at which demodulated output . f .
appears at Pin 3, that is "CRL", and at -i.-i..i.-
which demodulates output disappears at rin, 5m
15 Demodulation Capture Pin 5, that is "HBH". Red Blue
Range (3) : Input a 200mVp.p, 7MHz sine wave into Pin13.
(4) : Decreasing the input frequency, measure the frequencies at which
demodulated output appears at Pin 5, that is "CBH", and at
which demodulated output disappears at Pin 3, that is "HRL".
18 2001-06-25
TOSHIBA
TA12752
NOTE ITEM TEST CONDITION
(1) : Input a 75% color bar (200mVp-p at R ID) into Pin 13.
(2) : Decreasing the input amplitude, measure the amplitude at which
16 Killer ON/OFF Level .demod.ulattd eutputs disappear at Pin 3 and Pin 5, that is "ew''.
(3) : Increasing the input amplitude from 0mVp-p, measure the
amplitude at which demodulated outputs appears at Pin 3 and
Pin 5, that is "ec".
(1) : Input a 200mVp-p non-modulated chrome signal into Pin13.
17 Carrier Remains on (2) : Measure the amplitude of 4.25MHz signal at Pin 3, that is "CLRS".
Demodulated Output (3) : Measure the amplitude of 4.406MH2 signal at Pin 5, that is
"cuss".
(1) : Input a 200mVp-p non-modulated chrome
signal into Pin13.
(2) : Pin4 and Pin 6 are opened.
18 Black Level Offset (3) : Measure the difference between picture ErB
period and blanking period at Pin 3/Pin 5, '.........._
that is "ErR"/"ErB".
19 ID Voltage (1) : Input a 75% color bar (200mup-p at R ID) into Pin13.
(2) : Measure the voltage and input current of Pin 21, that are
''V21color'' and "'21color"-
20 ID Current (3) : No input on Pin13.
(4) : Measure the voltage and input current of Pin 21, that are
''V21B/w'' and "|21B/w"-
(1) : Input a 200mup-p, 15kHz sine wave into Pin8 and Pin 10.
(2) : No input Pin13.
(3) : Increasing the Pin 21 voltage from 0V, measure the voltage at
21 System SW Threshold which 15kHz sine wave appears at Pin 3 and Pin 5, that is
Level "V21PIN"-
(4) : Decreasing the Pin 21 voltage from 4V, measure the voltage at
which 15kHz sine wave disappears at Pin 3 and Pin 5, that is
"V21S".
(1) : No input on Pin13.
Color Difference Output (2) : yysurt the DC'yoltage on Pin 3/Pin 5 when Pin 21 is 4V, that is
22 DC Level V3PIN / V5PIN .
(3) : Measure the DC voltage on Pin 3/Pin 5 when Pin 21 is 0V, that is
"V35"/"V55".
(1) : Input a 75% color bar (200mVp-p at R ID) into Pin13.
(2) : Measure the difference between picture period and blanking
period at Pin 3 when Pin4 is 4V/0V, that is ErR+ /ErR-.
(3) : Measure the difference between picture
23 R-Y B-Y Black Level period and blanking period at Pin 5 when
Control Characteristics Pin 6 is 4V/0V, that is ErB + /Er3 -. ER
(4) : Calculate : "AErR+" =ErR+ -ErR
"AErR - " = ErR - - ErR
"AErB + " = ErB + - ErB
"AErB - " = ErB - - ErB
19 2001-06-25
TOSHIBA
TA12752
NOTE ITEM TEST CONDITION
(1) : Input a 200mVp-p, 15kHz sine wave into Pin8 and Pin 10.
(2) : Supply 4V to Pin 21.
24 Ext. Color Difference (3) : Measure the output amplitudes at Pin 3 and Pin 5, that are VEXTR
Gain and VEXTB.
(4) : Calculate 2 "GEXTR"=VEXTR/200 [mV]
"GEXTB" = VEXTB / 200 [mV]
(1) : Input a 75% color bar (200mup-p at R ID)
into Pin 13.
. (2) : Increasing an amplitude of 4.43MHz
25 :3]:sz CW Min. Input Continuous Wave inputted into Pin 19 from .
0m1/p-p, measure the amplitude at which Aue.at.icAoetpent
color difference signals appear at Pin 3 and vcwmmum CW Level
Pin 5, that is "VCW"-
(1) : Input a 75% color bar (200mup-p at R ID)
into Pin13. - .fEo-ol1Gate
Gate Pulse Width (2) : Connecting the Pin7 to GNP via Ikn, .' .'
26 Variable Range observe the gate pulse at Pin 7. s 5
(3) : Measure the gate pulse widths when Pin 19 F-i- WGPVCC
is opened, connected to Vcc/GND, that are : a:a(GSEGND
"WGp", "WGPvcc" and "WGPGND". "
(1) : Connect the Pin 7 to VCC via 10kQ.
. . (2) : Connect the Pin 2 to GND.
27 Y DL Characteristics (3) : Measure the delay time between Pin 15 input and Pin1 output,
that is "tYDL".
(1) : Input a sweep signal with sync. (1Up-p).
(2) : Connect the Pin 2 to GND. i1MHz
(3) : Connect the Pin 2 to VCC- :
28 Y Trap Characteristics (4) : Observing the frequency respense at Pin I, 1mm;
measure the frequency at which the :
attenuation is maximum, that is "f0Y5.5"
and measure the attenuation at f0Y5.5 fy bottom
against the one at 1MHz, that is "GY5_5".
(1) : Connect the Pin 7 to VCC via 10k0.
(2) : Increasing the amplitude of Y signal inputted into Pin15,
. measure the amplitude at which the output signal from Pin 1
29 Y Input Dynamic Range begins to be distorted, that is "DRYS".
(3) : Open the Pin 7.
(4) : Repeat (2), that is "DRYBW".
(1) : Input a 1Vp-p Y signal into Pin 15.
(2) : Connect the Pin 7 to VCC via 10k0.
30 Y Gain (3) : 'efasere the gain between Pin 15 input and Pin1 output, that is
(3) : Open the Pin 7.
(4) : Repeat (3), that is "GYBW".
20 2001-06-25
TEST CIRCUIT
Bell Mni 2.
27DmV A
Y 2.3 V
SECAM / hB/wh
Trop+DL IT roug DL
DL nhrough ;
Trop [Through
SE CAM
260p!“—
Mscw H ‘2-5
v 1.45m
P/N 3v GATE 2,; 3.95v
,4! JV
c: H+V
B/W X AUTO—o—
4377L H ,1:
5L 0.27v 21 (5
®251v 1g 1-4
+2 OnA BIW 2v
-,§0nA
38v "1
+ 70kHz
+35ng:
inf LO'
"‘A 6% 6
Q 2.53v (115)237V
" 10 9F BELL-OFF 3"”
14 2.6“! 13 ea LJOQV 122.eav
BELL-ON
SYSTEM HIH+V
IIO 5W ID 5W
4.43CW-IN vcc 5v
GATE WIDTH (PULSE)
SCP IN HELL CONT
S-LDW PASS Filter
C IN F0
5.5M~ FLIP/
TRAP CLAMP " FLOP
+1 SVSw
-I-' IIO
/ o— 250n
f Y-DL $5]
—- PULSE :1)
R.EIa ck
-—I F0»Ad1 - fo-SH‘FT
-— «flex -DAC
P/N/S — R-Y/Low ~—
R-Y R-Y LOW-
4.43M bell-
VCO mOni
Adj-d et
R-Y.SW -Pass -| DeEmp Permu
L; REF-
P/N/S B-YILOW‘J
B-Y.SW -Pass -— DeEmp
B-Y __ B-Y DEMO
— LIMIT
FILTET
Permu ]
E.S‘ack
Cont ‘1
1 [2- l low-p
TRAP / sw
AMP CONT
TA127SZ
Y OUT! DL MODE
BELL MON ‘SW
R-Y 0 UT CO NT
R-Y BLACK
B-Y OUT CONT
B-Y BLACK
JD Filter
R-Y IN
Pl N B-Y
IN GND
W I) 2 PIN
2-0” 2.44v
Trop L S
Trop + DL
720m Vp_p
TA1275Z — 21
2.69V 3-)
(-4) P " N 2 .59v L5)
2 .44V
+30] ~30mV
(+281 -32mV)
+3or—30mv
(4171-43mV)
420mvp.p [1
(5) Q)
0.018 F
:in'Ei'O
2 .69V
W'EE‘O
RIDIBID
Hamamvw
TOSHIBA
TA12752
SZ'QO'lOOZ ZZ
ZZ— ZSLZLVL
.LIF'DHD NOIlV'JI'IdV
DE—EMP. FM DC NF
AUDIO OUT EXT. AU IN
IFVCC RIPPLE FIL
Limi ter IN
AFT OUT IH CORRECTION
IF Gm Vcc
{F IN VCO
R F AGC GND
IFAGC LOOPFiIter
APC Fi lter DET OUT
X’tal WCVCCKSV)
wc (3ND (C IM
Ys/Ym BLACK Det
OSD R TV—IN/ C
0506 Dig. GND
050 B EXT.—|NIY
NlEZLfll
RGB Vcc (9v; H_ AFC Mode
R—Y Out
RAY Black
B~Y Out
B—Y Black
ROUT Y IN
GOUT S.R-Y IN
0.033!“
nom s.s-v m __i R—Y In
Vcc1 (5”)
ABEL DI'94 V99 a—v In
\l 5-061
W F i I .
NBeIIFO
v RAMP VIDEO OUT
V NFB SCP OUT
5.214) 9.1 m Yr“
VOUT DEF OD Bell F0
SEP In
H OUT Vccz 6V)
cw ln/GP
SCL SYNC OUT H+VIH ID
ID InlOut
SDA FBP IN
H VCC (9V) S IDICWOUT
ZSLZlVi VHIHSDL
TOSHIBA
TA127SZ
PACKAGE DIMENSIONS
S2lP21-P-0.89 Unit : mm
/ I N _
i5j-,1 E
C) . " ai
I L / co,
I oq bc-',,
_§; , oi
. 0.45101 T"'"
th81TYP, Q "FWtj_.0tii) o.2st?A,
0.889 _
" ' 19.9MAX J
" 19.4i0.2
Weight : 1.0g (Typ.)
23 2001-06-25
TOSHIBA TA12752
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.
24 2001-06-25
:
www.loq.com
.
