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TA8184N/a2avaiDUAL CHANNEL VOLTAGE/TONE CONTROL IC


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TA8184
DUAL CHANNEL VOLTAGE/TONE CONTROL IC
TOSHIBA TA8184P/F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TAM 84F, TAM 84F
DUAL CHANNEL VOLTAGE/TONE CONTROL IC
The TA8184P, TA8184F is DC controlled dual volume, TA8184P
balance, tone (Bass and treble) IC.
It is suitable for car stereo, radio cassette, music center,
TV multiplex sound receiver and remote controlled
applications.
FEATURES
DlP20-P-300-2.54A
It Dual Channel
TA8184F
It Wide Volume Control Range
: Maximum Attenuation ATT=100dB (Typ.)
(Vol. -9 MIN., 1/IN=1Vrms, BW=400Hz--30kHz)
It Wide Tone Control Range
: Bass VB = +12.5-- -12.5dB (Typ.), (f=100Hz)
: Treble VT: +12.5-- -12.5dB (Typ.), (f=10kHz)
It Built In Loudness Control SSOP24-P-300-1.00
. Weight
0 Operating Supply Voltage Range o DIP20-P-300-2.54A : 1.4g (Typ.)
: Vcc(opr)=7.r-15V (TA8184F) (Ta=25 C) SSOP24-P-300-1.00 : 0.31g (Typ.)
1 1/cc(opr)=7.5--12.5V (TA8184F) (Ta=25°c)
961001 EBA2
O TOSHIBA is continually working to improve the quality and the 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 resppnsibilit of the buyer, when utilizing
TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TO HIBA product 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 products specifications. Also, please keep in mind the precautions and conditions set forth in the
TOSHIBA Semiconductor Reliability Handbook.
0 The products described in this document are subject to foreign exchange and foreign trade control laws.
0 The information contained herein is presented only as a guide for the ap Iications of our products. No responsibility is assumed by TOSHIBA
CORPORATION for any infringements of intellectual property or other rights o the third parties which may result from its use. No license is granted
b implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.
tt The information contained herein is subject to change without notice.
1997-11-05 1/15
TOSHIBA
BLOCK DIAGRAM
RIPPLE
TA81 84P/ F
FILTER
CH1 CH1 REFCONT
BASS VOLUME REFERENCE 10/12
TREBLE BALANCE
11 I13 g
BIAS AND DC CONTROL CIRCUIT BASS "
12/ 14
_ C)':)',:,':',"::'. BASS l
13/16 q
CH2 CH2 TREBLE
BASS VOLUME 07
TREBLE BALANCE BAL 7/8
PIN CONNECTION :
TA8184F : pins, Q0, Il), © : N.c
1/1 _":')
OUTPUT
VOLUME
BALANCE l
1997-11-05 2/15
TOSHIBA TA8184P/F
PIN CONNECTION (TA8184P)
CH1 TREBLE BASS BASS CH1 RIPPLE TREBLE BASS LOUDNESS
VCC INPUT CH CL CLB OUTPUT FILTER CONT. CONT. ADJUST
(ii) (fir, (‘9 ji) :15) (iii) (ii) (ii) (fi) (Ci)
CHI CH1
TREBLE IBASS VOLUME / BALANCE
) CONTROL, BIAS VREF CIRCUIT
CH2 - CH2
TREBLE /BASS VOLUME / BALANCE
C) 'er' j, j, VA; k ob Ci), Ci.) (ii) (iii)
GND CH2 TREBLE BASS BASS CH2 BALANCE VOLUME LOUDNESS VREF
INPUT CH CL CLB OUTPUT CONT. CONT.
PIN FUNCTION
PIN No. SYMBOL EXPLANATION PIN No. SYMBOL EXPLANATION
1 GND GND 11 LADJ. LOUDNESS ADJUST
2 lN2 CH2, INPUT 12 BASS BASS CONTROL
CH2, TREBLE CONTROL TIME
3 CH (2) CONSTANT 13 TRBL TREBLE CONTROL
CH2, BASS CONTROL TIME
4 CL(2) CONSTANT 14 RIP RIPPLE FILTER
CH2, BASS CONTROL TIME
5 CLB (2) CONSTANT 15 OUT1 CHI, OUTPUT
CHI, BASS CONTROL TIME
6 OUT2 CH2, OUTPUT 16 cm (1) CONSTANT
CH1, BASS CONTROL TIME
7 BAL BALANCE CONTROL 17 CL (1) CONSTANT
CH1, TREBLE CONTROL TIME
8 VOL VOLUME CONTROL 18 CH (1) CONSTANT
9 LOUD LOUDNESS SWITCH 19 INI CH1, INPUT
10 REF REFERENCE 20 VCC VCC
1997-11-05 3/15
TOSHIBA TA8184P/F
PIN CONNECTION (TA8184F)
CH1 TREBLE BASS BASS CH1 RIPPLE TREBLE BASS LOUDNESS
Vcc INPUT N.C CH CL CLB OUTPUT FILTER CONT. N.C CONT. ADJUST
CHI CHI
TREBLE IBASS VOLUME / BALANCE
CONTROL, BIAS VREF CIRCUIT
CH2 CH2
TREBLE IBASS VOLUME / BALANCE
(r) j, Ci.) j, Ily (is.) (i) L8) :9) (ii) (ii) 12/
GND CH2 N C TREBLE BASS BASS CH2 BALANCE VOLUME N.C LOUDNESS VREF
INPUT CH CL CLB OUTPUT CONT. CONT.
PIN FUNCTION
PIN No. SYMBOL EXPLANATION PIN No. SYMBOL EXPLANATION
1 GND GND 13 LAD). LOUDNESS ADJUST
2 lN2 CH2, INPUT 14 BASS BASS CONTROL
3 N.C 15 N.C
CH2, TREBLE CONTROL TIME
4 CH (2) CONSTANT 16 TRBL TREBLE CONTROL
CH2, BASS CONTROL TIME
5 CL (2) CONSTANT 17 RIP RIPPLE FILTER
CH2, BASS CONTROL TIME
6 CLB (2) CONSTANT 18 OUT1 CH1, OUTPUT
CH1, BASS CONTROL TIME
7 OUT2 CH2, OUTPUT 19 CLB (1) CONSTANT
CH1, BASS CONTROL TIME
8 BAL BALANCE CONTROL 20 CL (1) CONSTANT
CHI, TREBLE CONTROL TIME
9 VOL VOLUME CONTROL 21 CH (1) CONSTANT
10 N.C 22 N.C
11 LOUD LOUDNESS SWITCH 23 lN1 CH1, INPUT
12 REF REFERENCE 24 vcc vcc
1997-11-05 4/15
TOSHIBA TA8184P/F
OPERATING PRECAUTIONS AND APPLICATION METHODS (Pin No. : -)
(1) How to Determine Tone Controlled Frequency Characteristic Time Constants
Bass characteristics determining elements '. CL, CLB terminals (- ' ' , -)
Fig.1 Low-bandwidth cut-off frequencies fin, fL2, fL3 of bass characteristics are determined by
the following equations :
1 (1) 20dB/dec
fL1= m ......
(10kQ is determined in IC interior)
f =-, ...... 2
L2 27r-CLB-1kQ ( ) OdB f
(1kf2 is determined in IC interior) -20dB/dec
1 Fig.1 Bass characteristics (during boosting)
“F 2ar(wk!) is determined in IC interior)
Under reference circuits of CL=th33PF and CLB= 10pF, setting is made as follows :
hi=.1.59Hz, fL2.=.15.9HZ, fL3.=.48.2HZ
When the characteristics during boosting are considered, crossing with OdB axis is made at fL1,
increase starts by 20dB/dec., and flat characteristics of Gain =20dB is obtained at sz.
Low-bandwidth f response is determined at fL3-namely, CL and gain starts decreasing from fL3
by -20dB/dec.
As explained above, low-bandwidth characteristics can be varied by varying CL and Cur
Treble characteristics determining element : CH (-, 18/21 )
Fig.2 High-bandwidth cut-off frequencies fHI and fH2 of treble characteristics can be determined
by the following equations : Gain
1 ...... 20dB/dec
fH1 - 2ar(10kQ is determined in IC interior)
- 1 ......
fH2 - 27r-CH-1kQ (5) /fH1 fH2
Fig.2 Treble characteristics (during boosting)
(1kQ is determined in IC interior.)
Under reference circuit of CH =0.0082pF setting is made as follows :
fH1e.1.94kHz, fH2 =19.4kHZ
As explained above, high-bandwidth characteristics can be varied by varying CH.
By creating the status of CL-odecrease and CH-yincrease, Iow/high bandwidth gains (f=100Hz,
10kHz) increase but gain near f=1kHz is also increased.
On the other hand, when the status of CL-9increase and CH-adecrease is created, take note that
gain near f=1kHz approaches OdB while low/high-bandwidth gains are decreased.
1997-11-05 5/15
TOSHIBA TA8184P/F
Loudness control
By connecting pin(9/O) (loudness terminal) to pin- (volume terminal), "Loudness" status can
be created.
Loudness boost amount is determined by pin -DC voltage (refer to the subsequently
described GV-V data).
Loudness is controlled by considering that sound levels will become uniform for all frequency
levels through increasing low/high-bandwidth gains when volume is reduced-namely, sound
volume is low.
When loudness control is not used, connect pin- to pin(i0/C1ihreference terminal).
The capacitor (Typ. ih047pF) between pin -and GND is for reducing pop sound during
Ioudness-9ON while the capacitor (Typ. IPF) between pin -and GND is used for the same
purpose during loudness-9OFF.
Loudness adjustment
When loudness is set, the boost amount can be varied by adjusting voltage at pin0/O. Under
V 11/13 =0V, maximum boost amount is obtained and under V 11/13 =VREF (connected to
pin© /O), minimum boost amount is obtained (refer to the subsequently described
GV - V data).
Relations between tone control and loudness
Because of the circuit configuration on this IC, the sum of boost amount by bass/treble control
and boost amount by loudness setting is restricted to become below a constant value. Therefore,
the greater the boost amount in-creases, the lower the boost amount by bass/treble control is
reduced because loudness is extensively applied. As opposed to this phenomenon, on the other
hand, the cut amount increases. (Refer to the subsequent descriptions on tone control frequency
response during loudness.)
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply TA8184P VCC 15 V
Voltage TA8184F 12.5
Power Dissipation TA8184F PD 1200 mW
TA8184F (Note 1) 750 (Note 2)
Operating Temperature Topr - 30--85 "C
Storage Temperature Tstg -5r-150 "C
(Note 1) Derated above Ta=25°C in the proportion of 9.6mW/°C for TA8184F, and of
6.0mW/°C for TA8184F.
(Note 2) Value for mounting on PC board (60mmx85mmx1.2mm, Glass epoxy.)
1997-11-05 6/15
TOSHIBA TA8184P/F
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VCC = 8V, f=1kHZ, Ta = 25°C)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Quiescent Current Icco - VIN =0 - 19 27 mA
Voltage Reference Vref - - 4.7 5.1 5.5 V
Maximum Output TONE/BAL=CENTER
Voltage l/OM - VOL = MAX., THD = 1% 1.2 1.6 - Vrms
. TONE/BAL=CENTER
Voltage Gain GV - VOL = MAX., VIN = 0-1Vrms - 2.0 0 2.0 dB
TONE / BAL = CENTER
Maximum Attenuation ATT - BW=400Hz--30kFlz 85 100 - dB
VOL = MIN., VIN =1vrms
VB MAX - TONE VOL=MAX. 9.5 12.5 15.5
Bass Control Ran e =MAX. BAL=CENTER dB
g v TONE hN=1kHz-e100Hz -15.5 -12.5 -9.5
B MIN - =MIN. v|N=o.1vrms . . .
TONE VOL = MAX.
V - 9.0 12.5 16.0
T MAX = MAX. BAL =CENTER
Treble Control Range dB
v TONE hN=1kHz-a10kHz -16.0 -12.5 -9.0
T MIN - =MIN. v|N=o.1vrms . . .
Total Harmonic TONE/BAL=CENTER f=1kHz
- I I - 0
Distortion THD VOL = MAX., VIN =1Vrms 0.05 0.2 hl
TONE / BAL = CENTER
Output Noise Voltage VNO - BW=20Hz--20kHz - 4 IO pi/rms
VOL = MIN., input open
TONE / BAL = CENTER
I/LB - f=100Hz LOUDNESS=ON 8 11 14
VIN =1Vrms
Loudness Control VOL = SW1 (4) dB
LOUDNESS TEST
I/LT - f=10kHz =SW5 (2) 8 11 14
1997-11-05 7/15
TOSHIBA TA8184P/F
TEST CIRCUIT
T, VCC
{Il- u. g I F
g i , I t - CH-1
8 T PS I OUTPUT + LL
/19 /24 14/17
RIPPLE
VCC FILTER
CH1 REFCONT
- + /} VOLUME REFERENCE 10/12
10PF TREBLE BALANCE
11 I13
LOUDNESS ita,
INPUT BIAS AND DC CONTROL CIRCUIT . A365? E
_ C.' ii,
CH-2 - + i)- CH2 CH2 Ca' a
2/2 BASS VOLUME 1. g
10PF TREBLE BALANCE 7/9 1,1,., N
. BALANCE 3 2 . cl
VOL I if,
1h GNQ SW3 N
/6 6/7 1/1 9/11 8/9
G F c E e-iii;
3 OUTPUT Cal tCr-iw' il
.- Ct LOUDNESS '-
SW4 VOLUME3 q 1:?
PIN CONNECTION : sw, cv-'
TA8184F : pina), (O), Il), © : N.C
SWITCH EXPLANATION
SWITCH NAME POSITION
1 2 3 4 ON OFF
SW1 : VOLUME MAX. CENTER MIN. ou ss - -
SW2 : TONE MAX. CENTER MIN. - - -
SW3 : BALANCE CH2 CUT CENTER CH1 CUT - - -
SW4 : LOUDNESS - - - - LOUDNESS ON LOUDNESS OFF
SW5 I LOUDNESS ADJUST MIN. MAX. - - - -
1997-11-05 8/15
TOSHIBA
'CCQ - Vcc
'CCQ (mA)
QUIESCENT CURRENT
0 2 4 6 8 10 12 14 16
SUPPLY VOLTAGE VCC (V)
VOM - VCC
(Vrms)
f=1kHz
THD-- 1%
VOLUME-- MAX
BALANCE =CENTER
TONE = FLAT
MAXIMUM OUTPUT VOLTAGE VOM
o 24 681012141618
SUPPLY VOLTAGE VCC (V)
ATT - VBAL
Vcc=8V
0 f=1kHz
3 VOLUME = MAX
3 -20 TONE=FLAT
E BW= 400-30kHz
u, FILTER IN
1 2 3 4 5 6 7 8
BALANCE CONTROL VOLTAGE VBAL (V7/8) (V)
REFERENCE VOLTAGE Vref (V)
VOLUME ATT
VOLTAGE GAIN GV (dB)
TA81 84P/ F
Vref - VCC
0 2 4 6 8 10 12 14 16
SUPPLY VOLTAGE Vcc (V)
ATT - VVOL
Vcc=8V
- 60 f=1kHz
TONE = FLAT
-80 BALANCE =CENTER
BW= 400~30kHZ
-100 FILTER IN
o 1 2 3 4 s 6 7
VOLUME CONTROL VOLTAGE VVOL1V8/9) (V)
GV - VTRBL
VCC = 8V
VOLUME =MAX
f=15kHz
BALANCE = CENTER 10
0 1 2 3 4 5 6 7
TREBEL CONTROL VOLTAGE VTRBL (V13/16) (V)
1997-11-05 9/15
TOSHIBA
TA81 84P/ F
GV - VBASS
f=50Hz
-, =8V
9 Vcc--
VOLUME =MAX
BALANCE=CENTER
0 1 2 3 4 5 6
BASS CONTROL VOLTAGE VBASS (V12/14) (V)
GV - V9/ 11
Vcc=8V
f=100HZ TONE = FLAT
E. VOLUME = MAX
5 BALANCE = CENTER
2 V11/13 =0V
o 1 2 3 4 5 6
LOUDNESS CONTROL VOLTAGE V9/11 (V)
GV - f
Vcc=8V
VOLUME---40dB V11’13=0V
G" BALANCE = CENTER
E. LOUDNESS=ON
TONE MAX
g TONE FLAT
TONE MIN
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
VOLTAGE GAIN GV (d8)
VOLTAGEGAIN GV (d8)
VOLTAGE GAIN 6v
Gv-V11/13
VCC = 8V
f=100HZ TONE=FLAT
VOLUME-- MAX
BALANCE =CENTER
V9/11=0V
0 1 2 3 4 5 6
LOUDNESS ADJUSTMENT VOLTAGE V11/13 (V)
40 Vcc=8V
VOLUME = MAX
BALANCE = CENTER
20 TONE MAX
TONE FLAT
TONE MIN
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
VCC = 8V
VOLUME = - 40dB
BALANCE = CENTER
LOUDNESS = ON
V11/13=Vref
TONE MAX
TONE FLAT
TONE MIN
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
1997-11-05 10/15
TOSHIBA
TA81 84P/ F
LOUDNESS (1)
Vcc=8V LOUDNESS=ON
TONE=FLAT V11/13=0V
BALANCE =CENTER
A VOLUME ATT=0dB
'?, 0 10
v - 10 -
g -20 -30
L' -40
10 100 1k 10k 100k
FREQUENCY f (Hz)
THD - VOUT
Vcc = 8V
VOLUME = MAX
1 BALANCE = CENTER
TONE =FLAT
f=10kHz
(--80kHz FILTER IN)
f=1kHz, 100Hz
0.03 (-30kHz FILTER IN)
TOTAL HARMONIC DISTORTION THD (%)
0.03 0.1 0.3 1 3 10
OUTPUT VOLTAGE VOUT (vrms)
C.T. - f
Vcc=8V
VOLUME-- MAX
BALANCE =CENTER
TONE = FLAT
VIN =1Vrms
BW=-80kHz FILTER IN
CROSS TALK C.T. (dB)
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
TOTAL HARMONIC DISTORTION THD (%) RESPONSE
OUTPUT NOISE VOLTAGE VNO (#Vrms)
LOU DNESS (2)
LOUDNESS=ON
V11/13 =Vref
Vcc=8V
TONE = FLAT
BALANCE = CENTER
VOLUME ATT = OdB
10 100 1k 10k 100k
FREQUENCY f (Hz)
Vcc=8V
VOUT=1Vrms
VOLUME = MAX
BALANCE =CENTER
0.1 TONE = FLAT
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
VNO - ATT
Vcc=8V
Rg =00
DIN AUDIO FILTER IN
TONE = FLAT
BALANCE =CENTER
0 -20 -40 -60 -80 -100
VOLUME ATTENUATION ATT (dB)
1997-11-05 11/15
TOSHIBA
TA81 84P/ F
ICCQ - Ta
'CCQ (mA)
QUIESCENT CURRENT
- 40 - 20 0 20 40 60 80 100
AMBIENT TEMPERATURE Ta (°C)
VOM - Ta
(Vrms)
1/cc=81/
f=1kHz
THD=1%
MAXIMUM OUTPUT VOLTAGE VOM
- 4O - 20 0 20 40 60 80 100
AMBIENT TEMPERATURE Ta (°C)
THD - Ta
TOTAL HARMONIC DISTORTION THD
- 40 - 20 0 20 40 60 80 100
AMBIENT TEMPERATURE Ta (°C)
REFERENCE VOLTAGE Vref (V)
VOLTAGE GAIN Gv (d8)
Vref - Ta
- 40 - 20 0 20 40 60 80 100
AMBIENT TEMPERATURE Ta (''C)
- 40 - 20 0 20 40 60 80 100
AMBIENT TEMPERATURE Ta (°C)
1997-11-05 12/15
TOSHIBA
APPLICATION
0.0082/1F
OUTPUT +
TA81 84P/ F
RIPPLE
VCC FILTER
CH-1 CH1 REFCONT
- + /23 VOLUME REFERENCE 10/12
10PF TREBLE BALANCE
11/13 g
INPUT G'
BIAS AND DC CONTROL CIRCUIT BASS g 5
._1 C)':)',:,'::'. BASS iii A
13/16 I E
CH-2 - CH2 CH2 TREBLE m A
+ 2/2 BASS VOLUME I” 5
10PF TREBLE BALANCE BAL 7/9 cl
BALANCE l3
9/11 (89
J; Cl 3:; + t
co x crp
O 9 LA I _- A
c, m OFF m
o O_ON ce
LOUDNESS 3
PIN CONNECTION :
TA8184F : pins, Q0, Il), © : N.c
1997-11-05 13/15
TOSHIBA TA8184P/F
OUTLINE DRAWING
DlP20-P-300-2.54A Unit : mm
r-lr-Ir-lei-ni-lt-lr''"'-).'-):
Yu-oc-ll-au-JC-J'-'''';-?
6.4i0.2
0.87TYP
Weight : 1.4g (Typ.)
1997-11-05 14/15
TOSHIBA TA8184P/F
OUTLINE DRAWING
SSOP24-P-300-1.00 Unit : mm
FIFIHHFIHHHFIHHH
6 Din 2
(300mil)
‘fifia bl ld HH ")l-----=
13.5MAX _
13.0i0.2 t
0.153;?)5
5J1.8i9.2
'2 2MAX
Sir? 0.525i0 .2
Weight : 0.31g (Typ.)
1997-11-05 15/15

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