LA4820M amplifier equivalent, monaural speaker/stereo headphone power amplifier.
c Power-saving headphone jack plug-in/out detection function on chip that electronically switches between the stereo headphone amplifier and the monaural BTL amplifier ac.
* When the pin voltage is for VCC1 = 6.0 V
Pin No. 1 Pin name R.F REF (Ripple Filter) Pin voltage [V] 5.5 Internal equivalent circuit Remarks c LPF pin for ripple filter reference bias. c Ripple rejection ratio can be adjusted through an external cap.
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