ADMP404

Obsolete

Omnidirectional Microphone with Bottom Port and Analog Output

Data Sheet (Rev. C) Product Selection Table
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Overview

  • Tiny 3.35 mm × 2.50 mm × 0.88 mm surface-mount package
  • High SNR of 62 dBA
  • High sensitivity of −38 dBV
  • Flat frequency response from 100 Hz to 15 kHz
  • Low current consumption: <250 μA
  • Single-ended analog output
  • High PSRR of 70 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 ADMP404 product page for all technical support and sales information.

The ADMP404 is a high quality, low cost, low power, analog output bottom-ported omnidirectional MEMS microphone. The ADMP404 consists of a MEMS microphone element, an impedance converter, and an output amplifier. The ADMP404 sensitivity specification makes it an excellent choice for both near field and far field applications. The ADMP404 has a high SNR and flat, wideband frequency response, resulting in natural sound with high intelligibility. Low current consumption enables long battery life for portable applications. The ADMP404 complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones standard.

The ADMP404 is available in an ultraminiature 3.35 mm × 2.50 mm × 0.88 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation. The ADMP404 is halide free.

Applications

  • Smartphones and feature phones
  • Digital video cameras
  • Bluetooth headsets
  • Video phones
  • Teleconferencing systems
ADMP404
Omnidirectional Microphone with Bottom Port and Analog Output
ADMP404-fbl ADMP404-PC
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Documentation

Frequently Asked Question 1

Obsolete Data Sheet 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Audio & Video Converters 2
ADAU1361
PRODUCTION Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL
SSM2603
PRODUCTION Low Power Audio Codec
Audio Amplifiers 2
SSM2166
PRODUCTION Complete Microphone Conditioner with Variable Compression & Noise Gating
SSM2167
PRODUCTION Low Voltage Microphone Preamplifier with Variable Compression & Noise Gating
Digital Signal Processors (DSP) 4
ADAU1761
PRODUCTION SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL
ADAU1381
Obsolete Low-noise Stereo Codec with Enhanced Recording and Playback Processing
ADAU1373
Obsolete Low Power Codec with Speaker and Headphone Amplifier
ADAU1781
Obsolete SigmaDSP Low-noise Stereo Audio Codec for Portable Applications
Operational Amplifiers (Op Amps) 1
ADA4075-2
PRODUCTION Ultralow Noise Amplifier at Lower Power
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Evaluation Kits

eval board
schematic 2
EVAL-ADMP404Z-FLEX

ADMP404 Flex Evaluation Board

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Product Details

Analog Devices has sold its MEMS Microphone product line to InvenSense.
Please visit the InvenSense ADMP404 product page for all technical support and sales information.

This flex PCB includes just the ADMP404 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.

EVAL-MIC-ALL
MEMS Microphone Evaluation Boards
EVAL-ADMP404Z-FLEX
ADMP404 Flex Evaluation Board

Latest Discussions

2 Years Ago
Conditioning ADMP404 output for ADC
2 Years Ago
Hearing Aid Solution / Echo Cancellation Algorithm
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ADMP404
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