BA3574BFS 데이터 시트보기 (PDF) - ROHM Semiconductor

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BA3574BFS

Low-current audio headphone driver

ROHM Semiconductor 

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

1) Low current dissipation (when VCC = 2.4V, the quies-

cent current is 4.9mA).

2) Suitable for use in digital audio equipment (voltage

gain: GV = 11.8dB, output noise voltage: VNO =

*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.

583

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