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EV_T3903 FX

Evaluation Board, MMICT3903-00-012, MEMS Microphone, Audio


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Manufacturer Part No:
EV_T3903 FX
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Technical Datasheet:
EV_T3903 FX   Datasheet
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Product Overview

Evaluation board for MMICT3903-00-012 bottom port PDM digital output multi-mode microphone. The T3903 is a multi-mode, low noise digital MEMS microphone in a small package. The T3903 consists of a MEMS microphone element and an impedance converter amplifier followed by a fourth-order Σ-Δ modulator. The digital interface allows the pulse density modulated (PDM) output of two microphones to be time multiplexed on a single data line using a single clock. The T3903 has multiple modes of operation: High Quality, Low-Power (AlwaysOn) and Sleep. The T3903 has high SNR in all operational modes. It has 133 dB SPL AOP inhigh quality mode and 120dB SPL AOP in low-power mode.
  • 3.5 × 2.65 × 0.98 mm surface-mount package
  • Extended frequency response from 40Hz to >20KHz
  • Sleep mode: 9µA
  • Fourth-order Σ-Δ modulator
  • Digital pulse density modulation (PDM) output


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MEMS Microphone

Evaluation Board MMICT3903-00-012


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Technical Documents (1)

CAD Downloads


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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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More stock available week commencing 7/31/23
Standard lead time for this product is 18 weeks.

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