UTC TA7738P
LINEAR INTEGRATED CIRCUIT
AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER
DESCRIPTION
The UTC TA7738P is an am...
UTC TA7738P
LINEAR INTEGRATED CIRCUIT
AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER
DESCRIPTION
The UTC TA7738P is an amplifier system, designed for a stereo set and a radio cassette tape recorder.
FEATURES
*Recorder play balk for pre-amplifier *Buffer amplifier( recorder amplifier) *Power amplifier *Wide operating
voltage range( 3.5V to 9V)
DIP-16
BLOCK DIAGRAM
Pre GND Pre Input Pre NF Pre Output Filter 2
Filter 1
Vcc
Boot Strap
16
15
14
13
12 Filter
11
10
9
Pre AMP
Buffer AMP
Power AMP
ALC
1
ALC Input
2
3
4
GND
5
6
7
8
Power Output
Buffer Buffer NF Output
Power Power Power NF Input GND
ABSOLUTE MAXIMUN RATING(Ta=25°C) PARAMETER SYMBOL
Supply
Voltage Output Current Power Dissipation* Operating Temperature VCC I O(peak) PD TOPR
VALUE
14 1.5 1200 -25~75 -55~150
UNIT
V A mW °C °C
Storage Temperature TSTG *Note: De-rated above Ta=25°C in proportion of 9.6mW/°C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R110-009,A
UTC TA7738P
Total Quiescent Current Pre-amplifier Open Loop
Voltage Gain Closed Loop
Voltage Gain Maximum Output
Voltage Input Impedance Equivalent Input Noise
Voltage Pre-amplifier + Buffer amplifier Closed Loop
Voltage Gain Maximum Output
Voltage Equivalent Input Noise
Voltage ALC Effect ALC Range Power amplifier Open Loop
Voltage Gain Closed Loop
Voltage Gain Maximum Output Power Output Noise
Voltage
LINEAR INTEGRATED CIRCUIT
UNIT
mA 35 70 40 THD<1% VOUT=0.5Vrms Rg=0 0.7 30 1.4 2.5 dB dB Vrms kΩ µΩ Vrms
ELECTRONIC CHARACTERISTICS(...