583

Audio ICs

Low-current audio headphone driver

BA3574BFS

The BA3574BFS is a headphone driver with a fixed-gain bass boost circuit and an AVC circuit that keeps the output

below a fixed level. It features low current dissipation, and low output noise, and is ideal for use in portable digital audio

equipment.

FApplications

Portable CD and MD players

FFeatures

cent current is 4.9mA).

2) Suitable for use in digital audio equipment (voltage

*102dBm typ.).

3) Bass boost circuit.

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

5) Standby switch.

6) Mute switch.

7) Ripple filter.

8) No output coupling capacitor required.

9) Beep circuit.

10) SSOP-A20 package.