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ADMP521 - Ultralow Noise Microphone

Datasheet Summary

Description

The ADMP5211 is a high performance, ultralow noise, low power, digital output, bottom-ported omnidirectional MEMS microphone.

The ADMP521 consists of a MEMS microphone element and an impedance converter amplifier followed by a fourth-order sigma-delta (Σ-Δ) modulator.

Features

  • Ultralow Noise Microphone with Bottom Port and PDM Digital Output ADMP521.

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Datasheet preview – ADMP521

Datasheet Details

Part number ADMP521
Manufacturer Analog Devices
File Size 456.81 KB
Description Ultralow Noise Microphone
Datasheet download datasheet ADMP521 Datasheet
Additional preview pages of the ADMP521 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Ultralow Noise Microphone with Bottom Port and PDM Digital Output ADMP521 FUNCTIONAL BLOCK DIAGRAM ADMP521 ADC PDM MODULATOR CLK DATA Small and thin 4 mm × 3 mm × 1 mm surface-mount package Omnidirectional response Very high SNR: 65 dBA Sensitivity of −26 dBFS Extended frequency response from 100 Hz to 16 kHz Low current consumption: 900 µA Sleep mode for extended battery life, <1 µA consumption 120 dB maximum SPL High PSR of −80 dBFS Fourth-order Σ-Δ modulator Digital PDM output Compatible with Sn/Pb and Pb-free solder processes RoHS/WEEE compliant POWER MANAGEMENT CHANNEL SELECT L/R SELECT GND VDD Figure 1.
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