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TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8162SN
Dual Preamplifier
The TA8162SN is dual preamplifier designed for car stereo tape
deck.
This IC contains dual preamplifier and metal/normal tape
equalizer control switches.
Features
· High open loop voltage gain
: G
· Low distortion
: THD = 0.035% (typ.)
(G
· Low noise (equivalent input noise voltage)
: V
· No input coupling capacitor
· Small package: Shrink pitch (1.78 mm) single in-line 12 pin
· Operating supply voltage range: V
= 98dB (typ.) (V
VO
= 40dB, f = 1 kHz, V
V
= 0.9 µVrms (typ.) (Rg = 620 Ω, BW = 20 Hz~20 kHz, NAB EQ)
NI
Block Diagram
= 9 V, f = 1 kHz)
CC
= 0.5 Vrms)
OUT
CC (opr.)
Weight: 0.65 g (typ.)
= 6~16 V
TA8162SN
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Application Information
1. Equalizer control switch
Pin11 is coupled to the base of Q1 (PNP-Tr) as shown in Figure 1.
The emitter potential of Q
Threshold voltage (pin11)
Metal 3.2~V
Normal 0~2.4 V
2. C
2~3
Capacitor C2/C3 may be required for preventing a instability caused by the pattern layout or interference
of external high frequency signal.
Maximum Ratings
CC
(Ta = 25°C)
is 3.9 Vdc.
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TA8162SN
Figure 1
Characteristics Symbol Rating Unit
Supply voltage VCC 16 V
Power dissipation PD (Note) 750 mW
Operating temperature T
Storage temperature T
−30~75 °C
opr
−55~150 °C
stg
Note: Derated above Ta = 25°C in the proportion of 6 mW/°C.
Typ. DC Voltage of Each Terminal
Terminal No. 1
DC-voltage (V) V
CC
2
3.0 3.0 3.0 3.0 GND 3.0 3.0 3.0 3.0 3.5 3.0
3 4 5 6 7 8 9 10 11 12
(V
= 9 V, Ta = 25°C, Dual mode test circuit)
CC
Electrical Characteristics
R
Characteristics Symbol
Quiescent current
Open loop voltage gain GVO ― Cf = 100 µF, Rf = 0 ― 98 ― dB
Maximum output voltage VOM ― THD = 0.5% 1.5 2.0 ― Vrms
Total harmonic distortion THD ― V
Equivalent input noise voltage VNI ―
Input resistance RIN ― ― ― 500 ― kΩ
Ripple rejection ratio R.R. ― f
(unless otherwise specified, V
= 600 Ω, Ta = 25°C, normal EQ)
g
Test
Circuit
I
― VIN = 0, Normal EQ ― 5.0 ―
CCQ (1)
I
― VIN = 0, Metal EQ ― 6.0 9.0
CCQ (2)
R
BW = 20 Hz~20 kHz
Test Condition Min Typ. Max Unit
= 0.5 Vrms ― 0.035 0.12 %
OUT
= 620 Ω, NAB
g
= 100 Hz, VIN = 1 Vrms ― 55 ― dB
ripple
= 9 V, f = 1 kHz, R
CC
― 0.9 1.7 µVrms
= 10 kΩ,
L
mA
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Test Circuit
TA8162SN
*: G
Test: SW
VO
1-1, 2
= OFF, SW
2-1, 2
= b
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TA8162SN
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TA8162SN
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TA8162SN
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Application Circuit
TA8162SN
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Package Dimensions
TA8162SN
Weight: 0.65 g (typ.)
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TA8162SN
A
RESTRICTIONS ON PRODUCT USE
· TOSHIBA 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..
· The 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.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The 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.
000707EB
· The information contained herein is subject to change without notice.
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