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Audio ICs
Headphone driver for digital audio
BA3578FS / BA3579FS
The BA3578FS and BA3579FS are headphone drivers with internal an LPF and fixed bass boost circuit for multi-bit D / A converters.
FApplications Portable CD players
FFeatures 1) Suitable for use in digital audio equipment (line-out output noise voltage: 18µVrms, S / N = 95dB Typ.). 2) Internal LPF for multi-bit D / A converters (fc = 34kHz, *12dB / oct. Typ.). 3) Headphone mute function.
4) 5) 6) 7)
Internal BB (bass boost) circuit. Internal supply current for line-mute transistor. No need for output oscillation preventive measures. Internal standby switch.
BA3579FS Datasheet
