ADMP411

Obsolete

High SPL Microphone with Bottom Port and Analog Output

Data Sheet (Rev. 0) Product Selection Table

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Overview

4.72 mm × 3.76 mm × 1.0 mm surface mount package
131 dB SPL acoustic overload point
Sensitivity of −46 dBV
±2 dB sensitivity tolerance
Omnidirectional response
High SNR of 62 dBA
Extended frequency response from 28 Hz to 20 kHz

Low current consumption:
< 250 µA
Single-ended analog output
High PSR of −80 dB
Compatible with Sn/Pb and Pb-free solder processes
RoHS/WEEE compliant

Analog Devices has sold its MEMS Microphone product line to InvenSense.
Please visit the InvenSense ADMP411 product page for all technical support and sales information.

The ADMP411 is a high performance, high SPL, low noise, low power, analog output bottom-ported, omnidirectional MEMS microphone. The ADMP411 consists of a MEMS microphone element and an impedance converter amplifier. The ADMP411 sensitivity specification makes it an excellent choice for both near field and far field applications. The ADMP411 is pin-compatible with the ADMP401 microphone, providing an easy upgrade path.

The ADMP411 has a linear response up to 131 dB SPL. It offers high SNR and extended wideband frequency response resulting in natural sound with high intelligibility. Low current consumption enables long battery life for portable applications.

The ADMP411 is available in a miniature 4.72 mm × 3.76 mm × 1.0 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation.

Applications

Fire and safety radios
Safety masks
Smartphones and feature phones
Tablet computers
Teleconferencing systems
Digital still and video cameras
Studio microphones
Bluetooth headsets
Security and surveillance

Documentation

Obsolete Data Sheet 1

ADMP411: High SPL Microphone with Bottom Port and Analog Output Obsolete Data Sheet (Rev.0) 04/18/2013

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Evaluation Kits

ADMP411 Flex Evaluation Board

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Product Details

Analog Devices has sold its MEMS Microphone product line to InvenSense.
Please visit the InvenSense ADMP411 product page for all technical support and sales information.

This flex PCB includes just the ADMP411 and a bypass capacitor. The three wires allow an easy connection to the microphone’s analog output signal, VDD, and ground into your evaluation system.

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