BA3578FS Datasheet, PDF (1/11 Pages) Rohm – Headphone driver for digital audio

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) Internal BB (bass boost) circuit.
5) Internal supply current for line-mute transistor.
6) No need for output oscillation preventive measures.
7) Internal standby switch.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions
FRecommended operating range
450