T3903 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 in High Quality Mode and 120 dB SPL AOP in Low-Power mode.
■The T3903 is available in a standard 3.5 × 2.65 × 0.98 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation.
●FEATURES
■3.5 × 2.65 × 0.98 mm surface-mount package
■Extended frequency response from 40 Hz to >20 kHz
■Sleep Mode: 9 μA
■Fourth-order Σ-Δ modulator
■Digital pulse density modulation (PDM) output
■Compatible with Sn/Pb and Pb-free solder processes
■RoHS/WEEE compliant
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Bottom Port PDM Digital Output Multi-Mode Microphone 、 multi-mode, low noise digital MEMS microphone |
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[ Smartphones ][ Microphone Arrays ][ Tablet Computers ][ Cameras ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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5/5/2020 |
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Revision: 1.0 |
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DS-000358 |
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1.3 MB |
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