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SGM4807 - Shunt Mode Audio Click-Pop Eliminator

Datasheet Summary

Description

The SGM4807 is an audio click-pop eliminator which can operate from a 1.7V to 5V single power supply.

It is designed for portable devices.

The SGM4807 provides a low-impedance grounding path during startup and shutdown by connecting to the output of the system amplifier.

Features

  • Supply Voltage Range: 1.7V to 5V.
  • Pop/Click Reduction Circuitry.
  • Supply Current: 1.5μA (TYP).
  • 600kΩ Pull-Low Resistor at MUTE Pin.
  • -40℃ to +85℃ Operating Temperature Range.
  • Available in Green TDFN-2×2-8L, MSOP-8 and WLCSP-1.57×0.80-8B Packages.

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Datasheet preview – SGM4807

Datasheet Details

Part number SGM4807
Manufacturer SG Micro
File Size 867.37 KB
Description Shunt Mode Audio Click-Pop Eliminator
Datasheet download datasheet SGM4807 Datasheet
Additional preview pages of the SGM4807 datasheet.

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Full PDF Text Transcription

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SGM4807 Shunt Mode Audio Click-Pop Eliminator GENERAL DESCRIPTION The SGM4807 is an audio click-pop eliminator which can operate from a 1.7V to 5V single power supply. It is designed for portable devices. The SGM4807 provides a low-impedance grounding path during startup and shutdown by connecting to the output of the system amplifier. It allows -VCC to +VCC wide range audio signals passing with low distortion. Shunt mode can eliminate the click-pop noise. The SGM4807 has two low-impedance analog switches. The opening and closing of the switches are controlled by mute events that include external power supply and under-voltage of VCC, power-up, power-down and high to low logical level change of MUTE pin. Opening switches during normal operation will not affect the output signal.
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