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TS3A225E - AUTONOMOUS AUDIO HEADSET SWITCH

General Description

The TS3A225E is an audio headset switch device.

The device detects the presence of an analog microphone and switches a system analog microphone pin between different connectors in an audio stereo jack.

Key Features

  • 1.
  • VDD Range = 2.7 V to 4.5 V.
  • Break Before Make Stereo Jack Switches.
  • Ron for Ground FET Switches.
  • WCSP Package: 70 mΩ.
  • QFN Package: 100 mΩ.
  • Autonomous Detection of GND and MIC Connections.
  • Detection Triggered by I2C or External Trigger Pin.
  • HDA Compatible MIC Present Indicator.
  • 1.8V Compatible I2C Switch Control.
  • ESD Performance Tested Per JESD 22:.
  • 2000-V Human-Body Model (A114-B, Class II).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TS3A225E www.ti.com SCDS329A – AUGUST 2012 – REVISED MAY 2013 AUTONOMOUS AUDIO HEADSET SWITCH Check for Samples: TS3A225E FEATURES 1 • VDD Range = 2.7 V to 4.5 V • Break Before Make Stereo Jack Switches • Ron for Ground FET Switches – WCSP Package: 70 mΩ – QFN Package: 100 mΩ • Autonomous Detection of GND and MIC Connections • Detection Triggered by I2C or External Trigger Pin • HDA Compatible MIC Present Indicator • 1.8V Compatible I2C Switch Control • ESD Performance Tested Per JESD 22: – 2000-V Human-Body Model (A114-B, Class II) – 500-V Charged-Device Model (C101) • ESD Performance (SLEEVE, RING2, TIP) – ±8-kV Contact Discharge (IEC 61000-4-2) APPLICATIONS • Mobile Phones/ Tablet PCs • Notebook Computers DESCRIPTION The TS3A225E is an audio headset switch device.