HA13156
HA13156 is 38W x 4-Channel BTL Power manufactured by Hitachi Semiconductor.
Description
The HA13156 is four-channel BTL amplifier IC designed for car audio, featuring high output and low distortion, and applicable to digital audio equipment. It provides 38 W output per channel, with a 13.7 V power supply and at Max distortion.
Functions
- -
- -
- 4 ch BTL power amplifiers Built-in standby circuit Built-in muting circuit Built-in protection circuit (surge, T.S.D, and ASO) Built-in change booster ON/OFF circuit
Features
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- - High power for booster circuit Popping noise minimized Low output noise Built-in high reliability protection circuit
Block Diagram
+ VCC
C11 0.47µ SW1 2 STBY IN1 1 Buffer & Mute-1 16 INVCC 6 PVCC1 24 PVCC2 3
C9 4400µ
OUT1 + C1 R1 SP1 PGND1 0.1µ 2.2 C2 5 R2 0.1µ 2.2 OUT1
- OUT2 + C3 R3 SP2 PGND2 0.1µ 2.2 C4 9 R4 0.1µ 2.2 OUT2
- OUT3 + C5 R5 SP3 PGND3 0.1µ 2.2 C6 23 R6 0.1µ 2.2 OUT3
- OUT4 + C7 R7 SP4 PGND4 0.1µ 2.2 C8 27 R8 0.1µ 2.2 OUT4
- Amp1
IN2
Buffer & Mute-2
IN3
Buffer & Mute-3 Amp2
IN4 SW2 R9 C12 7.5k 4.7µ +
Buffer & Mute-4
10 MUTE Protector (ASO, Surge, TSD) Amp3 Booster 21
BST1 C14 0.47µ BST2 SW3 BSTSW
15 17
CLKGEN
Amp4
19 BSTOUT + C13...