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TA7705F-TA7705P
LOW NOISE DUAL AMPLIFIER FOR AUTOREVERSE CAR STEREO
TOSHIBA TA7705P/F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA7705P, TA7705F
LOW NOISE DUAL AMPLIFIER FOR AUTOREVERSE CAR STEREO
TA7705P (DIP), TA7705P (SSOP) are dual preamplifier. TA7705P
These ICs contain dual amplifier, forward/reverse control
switches and metal/normal tape equalizer control
switches.
FEATURES
0 High Open Loop Voltage Gain
: Gvo = 98dB (Typ.) (Vcc = 9v, f=1kHz) DlP16-P-300-2.54A
TA7705F
o No Input Coupling Capacitor
0 Low Distortion
: THD=0.035% (Typ.) (GV=40dB, VOUT=0.5VrmS)
It Low Noise (Equivalent Input Noise Voltage)
(Rg=6200, BW=20Hz--20kHz, NAB EQ)
SSOP16-P-225-1 .00A
It Operating Supply Voltage Range
. - ~ Weight
. 1/cc(opr.)=6 16V DIP16-P-300-2.54A : 1.09 (Typ.)
SSOP16-P-225-1.00A : 0.14g (Typ.)
1 2001-06-25
TOSHIBA TA7705P/F
BLOCK DIAGRAM
TA7705P, TA7705F RNF
NOUT-1 VCC
ir--
----ir---
16: OUT 2 'ii]
. C9 chi!
. N', 'k', + a -
i; R F imfour
Pin© : NC
APPLICATION INFORMATION
1. Forward/Reverse select switch
=|E=100,uA
(1)Threshold voltage
Pin(3) is coupled to the base of Q1 (PNP-Tr) as shown Fig.1. C I3 1
Threshold voltage M)pin)=0.7V
Reverse 0-0.51/
Forward 1.0~VCC Fig.1
(2) The recommended Forward/Reverse select circuit is shown in Fig.2. -I
(i 30 50k E.
TOSHIBA TA7705P/F
(3) 13 (In Fig.1)
I3 =1ng (Max., Ta =25°C)
2. Equalizer control switch
Pin© is coupled to the base of Q2 (PNP-Tr) as shown in Fig.3.
The emitter potential of Q2 is 3.9V. (DC)
Threshold voltage (15pin)=2.8V Cs. Q2
Metal 3.2--16V
Normal 0--2.41/
3. C2--5 g
Capacitor Cr-cs may be required for preventing a instability caused by
the pattern layout or interference of external high frequency signal.
STAN DARD PRINT PATTERN
TA7705P
O IN CH2 0
t)4 1000 F C9 Vo G “
620 (o o e,'
o P", o A
1000p J
o. 0 18k
100 F _ O
0 u. 0
BIAS ' N 4 -
l t TA7705P u, 0
Fe '"""%, ti,
8 E t o
330k 0
4-7/1F CH1
FORWARD O
REVERSE
3 2001-06-25
TOSHIBA
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCC 16 V
. . . TA7705P 750
Power Dissipation TA7705F PD (Note) 350 mW
Operating Temperature Top, - 30~75 ''C
Storage Temperature Tstg - 55~150 °C
TA7705P/F
(Note) Derated above Ta =25°C in the proportion of 6mW/°C for TA7705P, and of 2.8mW/
"C for TA7705F.
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, vcc=9v, f=1kHz, RL=10kQ, Rg =6000, Ta =25°C, Normal EQ)
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
. ICCQ (1) - V|N=0, Normal EQ - 5.0 -
Quiescent Current 'CCQ(2) - 1hiq=0, Metal EQ - 6.0 9.0 mA
Op.en Loop Voltage GVO - Cf=100pF, Rf=0 - 98 - dB
Maximum Output - tl
Voltage VOM - THD=0.5% 1.5 2.0 - vrms
Total Harmonic o
Distortion THD - 1/Otrr=0.5Vrms - 0.035 0.12 A:
Equivalent Input Noise Rg=6200, NAB
Voltage VIN - BW=20Hz--20kHz - 0.9 1.7 PA/rms
Input Resistance RIN - - - 500 - k0
Ripple Rejection R.R. - frippie=100Hz, VIN =1Vrms - 55 - dB
Cross Talk C.T. - VOUT=0-775Vrms (OdBm) 50 60 - dB
:err’ard/ Reverse Cross C.T. (F/R) - VOUT=0775vrms (OdBm) 60 70 - dB
TYP. DC VOLTAGE OF EACH TERMINAL
(vcc=9v, Ta =25°C, Dual mode test circuit)
TERmNAL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Voltage VCC 3.0 0.7 2.9 2.9 2.9 2.9 GND 2.9 NC 2.9 2.9 2.9 2.9 3.5 2.9
4 2001-06-25
TOSHIBA
TA7705P/F
TEST CIRCUIT
TA7705P, TA7705F
RNF = 330kQ
(*) C6
-sr-qs-l
R1 12k0
l—- R2
0.01pF
6209 x 4
-er-6-l
SW1_2 0.01/1F
12kQ C9 OUT
AAA + n - O
RNF=330kQ 4.7/1; s
(*) GVO Test : SW14, 2=OFF, SW24, 2=b
Pinlit : NC
TOSHIBA
C) loo-
n. 40-
QUIESCENT CURRENT
OPEN LOOP VOLTAGE GAIN GVO
VOLTAGE GAIN GV
ICC, Gvo. VOM - Vcc
VOM THD=0.5%
GVO Cf=100pF. VOUT=1Vrms
ICC (Metal EQ)
ICC (Normal EQ)
2 4 6 8 IO 12 14 16 18
SUPPLY VOLTAGE Vcc (V)
0 Gvo - f
I VCC = 9V
120 C--330pF Rf=OQkQ
be RL = 10
I %, _
100 w--"'","),'.',',).::'.','; -.,.ru'at'Q
80 - 22---''' "ss..
...--" "ssss.
60 "s,
0.03 0.1 0.3 1k 3k 10k 30k 100k
FREQUENCY f (Hz)
GV - f
Vcc=9V
120 V|N=0.045mVrm5
RL=10kQ
Normal EQ
Metal EQ
0903 0.1 0.3 1 3 10 30 100
FREQUENCY f (kHz)
(Vrms)
MAXIMUM OUTPUT VOLTAGE
TA7705P/F
TOSHIBA
TA7705P/F
TOTAL HARMONIC DISTORTION THD (%)
TOTAL HARMONIC DISTORTION THD (%)
THD - VOUT
Normal EQ
Vcc=9V
RL=10kQ
f=100Hz
0.03 0.1 0.3 1 3 5
OUTPUT VOLTAGE VOUT (vrms)
RL=10kQ
0.5 NAB 40dB at 1kHz
0.3 VOUT=05Vrms
Normal EQ
0 (Without Audio Filter)
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
TOTAL HARMONIC DISTORTION THD (%)
(Vrms)
OUTPUT VOLTAGE VOUT
O_ o. C)
THD - VOUT
Metal EQ
Vcc=9V
RL=10kQ
f=100Hz
0.1 0.3 1 3 5
OUTPUT VOLTAGE VOUT (vrms)
VOUT - VIN
Vcc=9V
RL=10kQ
NAB 40dB at 1kHz
f=100Hz
0.03 0.1 0.3 1 3 10 30 100
FREQUENCY VIN (vrms)
TOSHIBA
TA7705P/F
(I‘Vrms)
EQUIVALENT INPUT NOISE VOLTAGE
CROSS TALK CT.
QUIESCENT CURRENT
VNI - Rg
Vcc=9V
NAB 40dB at 1kHz
50 100 300 1k 3k 10k 30k 100k
SIGNAL SOURCE RESISTANCE R9 (Q)
CT. - f
Vcc=9V
RL=10kQ
VO=1Vrms
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
ICC - Ta
VCC = 9V
Metal EQ
- 40 - 20 0 20 40 60 80
AMBIENT TEMPERATURE Ta (°C)
CROSS TALK C‘T‘
RIPPLE REJECTION RATIO R.R.
OUTPUT VOLTAGE VOUT
C.T. (FSR) - f
Vcc=9V
RL=10kQ
vo = 0.775Vrms (OdBm)
C10=10pF
30 100 300 1k 3k 10k 30k
FREQUENCY f (Hz)
R.R. - Vcc
f=100Hz
VIN =300mVrms
6 8 10 12 14 16 18
SUPPLY VOLTAGE VCC (V)
VOUT - Ta
- 40 - 20 0 20 40 60 80
AMBIENT TEMPERATURE Ta (°C)
TOSHIBA
TA7705P/F
APPLICATION CIRCUIT
TA7705P,TA7705F
ch2-R ( a l Ci.
Rf=1800
ttt Cf --22pF
1000pr4
ch1-R'----
RNF 330kQ
__________ _I
____1_________
$A MA u C)
Rf=18OQ RNF=330kQ 4.7/1F E
Pin® : NC
Metal EQ
: 3.2-18V
Normal EQ
.' 0~2.4V
Forward
: 1.0~VCC
Reverse
: 0--0.5V
TOSHIBA TA7705P/F
PACKAGE DIMENSIONS
DIP16-P-300-2.54A Unit : mm
[-1r'-'e1r-nF'--'1i-1l-1ei'-1
6.4:t0.2
V'-''-''''-'''-''
19.75MAX
19.25i0.2
03:51:01
0.735TYP . . i l 0.5i0.1_30'25 (ii)
Weight : 1.0g (Typ.)
10 2001-06-25
TOSHIBA TA7705P/F
PACKAGE DIMENSIONS
SSOP16-P-225-1.00A Unit : mm
16 L.,
H H H H H H H H L n h"
cu rn. N c:
Si?, fi?, ts f,
co W. m cu
v Ct SY..
iii. T _,iir,.i, bl bl bl H______ r. IL
0.6TYP >4H l 4d:thl C 02@
H, 8.7MAX y
" 8.2i0.2 r.,' m
[ $5. ii' 17
ut" m ".
1gggrgggggil. _,..ia'i...(..,d,1"i] o !
'18“ ir-
5,5' = :0.525102
Weight : 0.149 (Typ.)
11 2001-06-25
TOSHIBA TA7705P/F
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.
12 2001-06-25
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