HA13156 - Hitachi Semiconductor

HA13156 38W x 4-Channel BTL Power

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 cir.

Features

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• High power for booster circuit Popping noise minimized Low output noise Built-in high reliability protection circuit HA13156 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 4 IN2 11 Buffer & Mute-2 IN3 12 Buffer & Mute-3 Amp2 7 IN4 SW2 R9 C12 7.5k 4.7µ + 28 Buffer & Mute-4 8 10 MUTE Protect.