The BA3577FS is a headphone driver developed for portable digital audio equipment that supports a voltage of 1.5V.

FEATUREs
1) 1.5V supported.
2) Low current consumption
   (At PO = 0.5mW / ch, VCC inflow current = 3.3mA, and
   +B inflow current = 6.8mA (Typ.)).
3) Output coupling capacitor of 100µF produces fC = 45Hz (RL = 16Ω).
4) Internal muting switch.
5) Internal ripple filter.
6) Internal BEEP circuit.

APPLICATIONs
   Portable MD players and others