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TS3A225EYFFR Datasheet(PDF) 1 Page - Texas Instruments |
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TS3A225EYFFR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 10 page S1 VDD SCL SDA I2C_ADDR_SEL MICp MICn / HP_REF SLEEVE_SENSE RING2_SENSE SLEEVE RING2 GND Control Logic TS3A225E FET2 FET1 TIP RING1 MIC_BIAS MICI MIC_REF R1 C1 C2 C3 /MIC_PRESENT DET_TRIGGER TIP_SENSE TS3A225E www.ti.com SCDS329 – NOVEMBER 2011 AUTONOMOUS AUDIO HEADSET SWITCH Check for Samples: TS3A225E 1 FEATURES APPLICATIONS • VDD Range = 2.7 V to 4.5 V • Mobile Phones/ Tablet PCs • Break Before Make Stereo Jack Switches • Notebook Computers • Ground FET Switches ( <100mΩ) DESCRIPTION • Autonomous Detection of GND and MIC The TS3A225E is an audio headset switch device. Connections The device detects the presence of an analog • Detection Triggered by I2C or External Trigger microphone and switches a system analog Pin microphone pin between different connectors in an audio stereo jack. The microphone connection in a • HDA Compatible MIC Present Indicator stereo connector can be swapped with the ground • 1.8V Compatible I2C Switch Control connection depending on manufacturer. When the • ESD Performance Tested Per JESD 22: TAS3A225E detects a certain configuration, the – 2000-V Human-Body Model (A114-B, Class device automatically connects the microphone line to the appropriate pin. The device also reports the II) presence of an analog microphone on an audio – 500-V Charged-Device Model (C101) stereo jack. • ESD Performance (SLEEVE, RING2, TIP) In some systems, it is desirable to connect the stereo – ±8-kV Contact Discharge (IEC 61000-4-2) jack pin to ground. The TS3A225E provides two internal low resistance ( <100mΩ) FET switches for ground shorting. ORDERING INFORMATION TA PACKAGE(1)(2) ORDERABLE PART NUMBER TOP-SIDE MARKING –40°C to 85°C YFF- WCSP Tape and reel TS3A225EYFFR YP225E –40°C to 85°C RTE- QFN Tape and reel TS3A225ERTER ZTL (1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. (2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI Web site at www.ti.com. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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