Dual BTL 20W Audio Power Amplifier
Description
AN7177
AN7177
Dual BTL 20W Audio Power Amplifier
Unit : mm
•
Description
The AN7177 is a monolithic integrated circuit designed for Dual BTL audio power amplifier suitable for Hi-Fi and car stereo.
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• • • • • •
Features
High output power (20W x 2) Incorporating stand-by circuits Low shock noise from power ON/OFF switching Fewer external components Incorporates protection circuits Highly stable operation
23-Lead ZSIL Plastic Package with Fin (23-ZSIP-FP)
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Block Diagram
r Input Circuit 13}
Input Circuit Driver Circuit
Driver Circuit Output Circuit
Output Circuit
Stand-by Circuit Input Circuit
Overvoltage, Overcurrent, Thermal Protection Circuits Driver Circuit Output Circuit Driver Circuit — GND © GND Output Circuit
r
Panasonic
Input Circuit
bT32fl52 0 0 1 3 3 3 7 TMS 218
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Free Datasheet http://www.
Datasheet4U.
com
AN7177
• Absolute Maximum Ratings (Ta=25°C)
Item Supply Voltage Supply Current Supply Voltage Surge Power Dissipation Operating Ambient Temperature Storage Temperature *1 Non-signal *2 Time = 0.
2s Operating voltage range: Vcc = 8V - 18V Symbol Vcc*
1
Rating 24 6 50 62.
5 -30 - +75 -55 - +150
Unit V A V
Icc Vcc(surge)*2 PD* Topr Tstg *3 R6j-c = 2°CAV
3
w °c °c
•
Electrical Characteristics ( V c c = 13.
2V, RL=4Q, f = l k H z , Ta=25°C)
Item Quiescent Current Output Noise Voltage Voltage Gain Total Harmonic Distortion Maximum Output Power Ripple Rejection Output Offset Voltage Channel Balance Output Noise Voltage Total Harmonic Distortion Ripple Rejection Symbol
ICQ
Test Circuit 1 1 1 1 1 1
1
Condition Vin = OmV Vin = OmV, Rg = lOkfl Vin = 5mV Vm = 5mV THD = 10% Rg = Oil, Vjn = OmV, V r = 300mV, fr = 120Hz Vin = OmV Vin = 5mV V in = OmV, Rg = 10k£2, G v = 41dB
Vin
min.
typ.
110 0.
6
max.
200 1.
5 53.
5 0.
75
Unit mA mV dB % W dB
vnol* Gv THD] Po
RRI*
49.
5 14 45 -300 -1
51.
5 0.
15 18 55 0 0 0.
21 0.
05 64
Vo(offset)
CB
Vno2*
1 2 2 2
+300 +1
mV dB
mV
THD 2
RR2*
= 10mV, Gv...
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