ADMP405

Obsolete

Omnidirectional Microphone with Bottom Port and Analog Output

Data Sheet (Rev. B) 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 200 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 ADMP405 product page for all technical support and sales information.

The ADMP405 is a high quality, low cost, low power, analog output bottom-ported omnidirectional MEMS microphone. The ADMP405 consists of a MEMS microphone element, an impedance converter, and an output amplifier. The ADMP405 sensitivity specification makes it an excellent choice for both near field and far field applications. The ADMP405 has a high SNR and flat, wideband frequency response, resulting in natural sound with high intelligibility. The specially designed low-frequency cutoff reduces wind noise. Low current consumption enables long battery life for portable applications. The ADMP405 complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones standard.

The ADMP405 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 ADMP405 is halide free.

Applications

  • Smartphones and feature phones
  • Digital video cameras
  • Bluetooth headsets
  • Video phones
  • Teleconferencing systems
ADMP405
Omnidirectional Microphone with Bottom Port and Analog Output
ADMP405-fbl ADMP405-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
ADAU1781
Obsolete SigmaDSP Low-noise Stereo Audio Codec for Portable Applications
ADAU1761
PRODUCTION SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL
ADAU1373
Obsolete Low Power Codec with Speaker and Headphone Amplifier
ADAU1381
Obsolete Low-noise Stereo Codec with Enhanced Recording and Playback Processing
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-ADMP405Z-FLEX

ADMP405 FLEX Evaluation Board

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Product Details

Analog Devices has sold its MEMS Microphone product line to InvenSense.
Please visit the InvenSense ADMP405 product page for all technical support and sales information.

This flex PCB includes just the ADMP405 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-ADMP405Z-FLEX
ADMP405 FLEX Evaluation Board

Latest Discussions

7 Years Ago
Circular pad around microphone sound port
7 Years Ago
Microphone's peak output signal level
7 Years Ago
MEMS Microphone peak output signal level
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