Wide Power Supply Range, 2:1 MUX Input Audio Click-Pop Noise Eliminator
Wide Power Supply Range, 2:1 MUX Input Audio Click-Pop Noise Eliminator

The SGM4806 is an audio click-pop eliminator that is designed to operate from a single 2.7V to 12V power supply. Targeted applications include HiFi level audio sub-system in battery powered equipment or professional audio system. The SGM4806 has 2:1 MUX function and it supports dual channel HiFi stereo audio input.

The SGM4806 can pass -VCC to +VCC wide range positive and negative audio signals with very low distortion to support HiFi audio signals. The SGM4806 can eliminate the click-pop noise under the control of external processor.

The SGM4806 is available in Green WLCSP-1.27×2.13-15B, SOIC-16 and TQFN-4×4-16L packages. It operates over an ambient temperature range of -40 to +85.


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  • Wide Supply Range: 2.7V to 12V

  • Low On-Resistance from Audio Signals Input to Output: 0.8Ω (TYP)

  • -VCC to +VCC Rail-to-Rail Low Distortion Audio Signals Passing

  • 2:1 MUX Input

  • High Off-Isolation

  • Very Low Crosstalk

  • Very Low THD+N

  • 1.8V Logic Compatible Control Pin

  • 600kΩ Pull Low Resistors for all I/O Control Pin

  • -40 to +85 Operating Temperature Range

  • Available in Green WLCSP-1.27×2.13-15B, SOIC-16 and TQFN-4×4-16L Packages


Portable Devices

HiFi Audio System

Part Number Status Package Pins Pb-Free Temp Range
SGM4806YG/TR Production WLCSP-1.27×2.13-15B 15 Y -40℃ to +85℃ Samples
SGM4806YS16G/TR Production SOIC-16 16 Y -40℃ to +85℃ Samples
SGM4806YTQE16G/TR Production TQFN-4×4-16L 16 Y -40℃ to +85℃ Samples