ROHM BA3575FS Datasheet

Audio ICs

Low-current audio headphone driver

BA3575FS

The BA3575FS is a headphone driver with an AVC circuit that keeps the output below a fixed level. It features low current
consumption, and low output noise, and is ideal for use in portable digital audio equipment.

Applications
Portable CD players

Features

1) Low current consumption (when V
quiescent current is 4.9mA).

2) Suitable for use in digital audio equipment (voltage
gain: G
–102dBm typ.).

3) ATT circuit (gain switch).

4) AVC (Auto V olume Control) circuit, for output limiting.

V = 11.8dB, output noise voltage: VNO =

CC = 2.4 V, the

5) Internal standby switch.

6) Internal mute switch.

7) Internal ripple filter.

8) No output coupling capacitor required.

9) Internal beep circuit.

10) SSOP-A20 package.

Absolute maximum ratings (Ta = 25C)

Recommended operating conditions (Ta = 25C)

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Audio ICs BA3575FS

Block diagram

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Audio ICs BA3575FS

Pin descriptions

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Audio ICs BA3575FS

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