BA3577FSAudio ICs Low power consumption headphone driver for digital audio BA3577FS The BA3577FS is a headphone driver developed for portable digital audio equipment that supports a voltage of 1.5V. FApplications Portable MD players and others FFeatures 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 100F produces fC = 45Hz (RL = 16). 4) Internal muting switch. 5) Internal ripple filter. 6) Internal BEEP circuit. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 818 Audio ICs FBlock diagram BA3577FS 819 Audio ICs FPin descriptions BA3577FS 820 Audio ICs BA3577FS 821 Audio ICs BA3577FS FElectrical characteristics (unless other……