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TI Home » TI E2E Community » Support Forums » Amplifiers » High Speed Amplifiers » High Speed Amplifiers Forum » Low noise Transimpedance amplifier for MEMS Gyroscope for Capacitive Sensing
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Low noise Transimpedance amplifier for MEMS Gyroscope for Capacitive Sensing

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Sandeep Kumar
Posted by Sandeep Kumar
on Oct 10 2011 12:42 PM
Prodigy10 points
transimpedance amplifier transimpedance op amp input impedance transimpedance gain impedance matching input bias current low-noise
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  • Jim Karki
    Posted by Jim Karki
    on Oct 31 2011 13:16 PM
    Verified Answer
    Verified by Jim Karki
    Expert4115 points

    Sandeep Kumar,

    I assume you are looking for a low noise transimpedance amplifier (TIA) for "MEMS Gyroscope for Capacitive Sensing". I am not familiar with the requirements in this application and will need you to descibe the characteristics you are looking for and provide and diagram if possible.

    That said, TI does have a number of op amps often used for TIA applications. The OPA656 and OPA657 are high speed JFET input op amps that are excellent for very high TIA gain (> 100k ohm) applications. The OPA843, OPA846, and OPA847 are often used for lower TIA gains with even wider bandwidth. There are other TIA devices like the OPA380. These parts all have very good TIA applications information in their data sheets. Please refer to them for more information.

    Regards,

    Jim Karki

    TI High Speed Amplifiers

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