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ADMP421

Analog Devices
Part Number ADMP421
Manufacturer Analog Devices
Description Omnidirectional Microphone
Published Apr 26, 2013
Detailed Description Data Sheet Omnidirectional Microphone with Bottom Port and Digital Output ADMP421 FEATURES GENERAL DESCRIPTION Small...
Datasheet PDF File ADMP421 PDF File

ADMP421
ADMP421

Overview
Data Sheet Omnidirectional Microphone with Bottom Port and Digital Output ADMP421 FEATURES GENERAL DESCRIPTION Small and thin 3 mm × 4 mm × 1 mm surface-mount package The ADMP421 is a high performance, low power, digital output High SNR of 61 dBA bottom-ported omnidirectional MEMS microphone.
The High sensitivity of −26 dBFS ADMP421 consists of a MEMS microphone element and an Flat frequency response from 100 Hz to 15 kHz impedance converter amplifier followed by a fourth-order Σ-Δ Low current consumption: <650 µA modulator.
The digital interface allows for the pulse density Sleep mode for extended battery life High PSR of 80 dBFS Fourth-order Σ-Δ modulator Digital PDM output C...


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