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CM3271 - USB Ultra-low-power Audio

Download the CM3271 datasheet PDF. This datasheet also covers the CM3271-C variant, as both devices belong to the same usb ultra-low-power audio family and are provided as variant models within a single manufacturer datasheet.

Description

The CM3271 is the new generation ultra-low-power USB audio single chip designed especially for mobile USB-C headset, audio adapter or dock applications.

Features

  • cap-less/anti-pop headphone driver, combo-jack swap & jack-detection, Google buttons detection, embedded oscillator, flash, tri-color LED PWM driver, Digital EQ, DC-DC converter, etc. , which can fulfill cost-effective, low-power, and versatile USB Type-C Audio accessories in a concise design for Android smartphones, tablets, Teams Headset ,New iPad Pro(2018), and PC. It also supports automatic power-down and active modes switch when the 3.5mm headset is unplugged or plugged-in to save the power.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CM3271-C-Media.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CM3271
Manufacturer C-Media
File Size 889.66 KB
Description USB Ultra-low-power Audio
Datasheet download datasheet CM3271 Datasheet

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Part Number Description

Full PDF Text Transcription

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CM3271 USB (Type-C) Ultra-low-power Audio Single Chip Datasheet v1.0 DESCRIPTION The CM3271 is the new generation ultra-low-power USB audio single chip designed especially for mobile USB-C headset, audio adapter or dock applications. It features cap-less/anti-pop headphone driver, combo-jack swap & jack-detection, Google buttons detection, embedded oscillator, flash, tri-color LED PWM driver, Digital EQ, DC-DC converter, etc., which can fulfill cost-effective, low-power, and versatile USB Type-C Audio accessories in a concise design for Android smartphones, tablets, Teams Headset ,New iPad Pro(2018), and PC. It also supports automatic power-down and active modes switch when the 3.
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