ADMP504

Obsolete

UltraLow Noise Microphone with Bottom Port and Analog Output

Data Sheet (Rev. A) Product Selection Table
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Overview

  • Tiny 3.35 mm × 2.5 mm × 0.88 mm surface mount package
  • Omnidirectional Response
  • Very high SNR of 65 dBA
  • Sensitivity of –38 dBV
  • Extended frequency response from 100 Hz to 20 kHz
  • Low current consumption:
    < 180 uA
  • Single-ended analog output
  • 120 dB maximum SPL
  • High PSR of 70 dBV
  • 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 ADMP504 product page for all technical support and sales information.

The ADMP504 is a high performance, very low noise, low power, analog output, bottom-ported omnidirectional MEMS microphone. The ADMP504 consists of a MEMS microphone element, an impedance converter and an output amplifier. The ADMP504 sensitivity specification makes it an excellent choice for both near field and far field applications. The ADMP504 is function- and pin-compatible with the ADMP404 microphone, providing an easy upgrade path.

The ADMP504 has very 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 ADMP504 complies with the TIA-920 Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones standard.

The ADMP504 is available in an ultraminiature 3.35 mm × 2.5 mm × 0.88 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation. The ADMP504 is halide free.

APPLICATIONS

  • Smartphones and feature phones
  • Tablet computers
  • Teleconferencing systems
  • Digital still & video cameras
  • Bluetooth headsets
  • Notebook PCs
  • Security and surveillance
ADMP504
UltraLow Noise Microphone with Bottom Port and Analog Output
ADMP504-fbl ADMP504-pc
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Documentation

Application Note 1

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
ADAU1373
Obsolete Low Power Codec with Speaker and Headphone Amplifier
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
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-ADMP504Z-FLEX

ADMP504 Flex Eval Board

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Product Details

Analog Devices has sold its MEMS Microphone product line to InvenSense.
Please visit the InvenSense ADMP504 product page for all technical support and sales information.

This flex PCB includes just the ADMP504 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-ADMP504Z-FLEX
ADMP504 Flex Eval Board

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