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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 for TS3A225E (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for TS3A225E. For precise diagrams, and layout, please refer to the original PDF.

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 ...

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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

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