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LA4820M Datasheet - Sanyo

LA4820M_SanyoSemiconDevice.pdf

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Datasheet Details

Part number:

LA4820M

Manufacturer:

Sanyo

File Size:

677.18 KB

Description:

Monaural speaker/stereo headphone power amplifier.

LA4820M, Monaural Speaker/Stereo Headphone Power Amplifier

* 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

Ordering number: EN5205A Monolithic Linear IC LA4820M Monaural Speaker/Stereo Headphone Power Amplifier Overview The LA4820M compound power IC is designed for portable information processing equipment, such as electronic book players and personal notebook computers, and provides on chip headphone stereo amplifier and monaural speaker amplifier functions required of such devices.

This system IC also provides on chip a power-saving headphone jack plug-in/out detection function, which automatica

LA4820M 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 adj

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