LA4820M - Monaural Speaker/Stereo Headphone Power Amplifier

Sanyo

LA4820M Datasheet Preview — Preview of LA4820M PDF

Datasheet Details

Part number	LA4820M
Manufacturer	Sanyo
File Size	677.18 KB
Description	Monaural Speaker/Stereo Headphone Power Amplifier
Datasheet	LA4820M_SanyoSemiconDevice.pdf

LA4820M Product details

Description

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 capacitor.c Open when no ripple filter is needed.2 PWR MUTE 1.2 c Power mute is turned on when pin 2 is pulled down.c Turns on and off supply of constant current to the power block.3 MONO IN 2.8 c BTL power input pin.c Input resistance

Features

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 according to jack plug-in/out. c The monaural amplifier has, as output control functions, a built-in output limiter that permits adjustment in accordance with the speaker impedance and a non-clipping circuit that outputs a sine wave suited to the output D range, while the headphone amplifier has a built-in user-friendly PVSS (Peak.

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Published: Apr 25, 2005 |