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Part: BA3574BFS

Category:
 Multimedia
   -> Audio

Description:

Company: ROHM Electronics

Datasheet: Download BA3574BFS datasheet     File size : 206 kB

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Datasheet text preview:
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 quiescent current is 4.9mA). 2) Suitable for use in digital audio equipment (voltage g a i n : 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

Audio ICs
FBlock diagram

BA3574BFS

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions (Ta = 25_C)

584

Audio ICs

BA3574BFS

FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 2.4V, RL = 16, f = 1kHz, and BB = OFF)

585

Audio ICs
FMeasurement circuit

BA3574BFS

586

Audio ICs
FMeasurement circuit switch table

BA3574BFS

587




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