Part number:
T3902
Manufacturer:
TDK
File Size:
435.17 KB
Description:
Microphone.
Datasheet Details
Part number:
T3902
Manufacturer:
TDK
File Size:
435.17 KB
Description:
Microphone.
T3902, Microphone
The T3902 is a low‐power, low‐noise digital MEMS microphone in a small package.
The T3902 consists of a MEMS microphone element and an impedance converter amplifier followed by a fourth‐order Σ‐Δ modulator.
The pulse density modulated (PDM) interface allows two microphones to be time multiplexed on
T3902 Features
* SPEC Sensitivity SNR Current AOP Clock LOW‐POWER MODE
* 26 dB FS ±1 dB 63 dBA 185 µA 120 dB SPL 400
* 800 kHz STANDARD MODE
* 26 dB FS ±1 dB 64.5 dBA 430 µA 120 dB SPL 1.0
* 3.3 MHz HIGH PERFORMANCE MODE
* 32 dB FS ±1 dB 64 dBA 650 µA 126 dB SPL 4.1
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