Application Notes (9)
- AN-1181: Using a MEMS Microphone in a 2-Wire Microphone Circuit (pdf, 132 kB)
- AN-1165: Op Amps for MEMS Microphone Preamp Circuits (pdf, 165 kB)
- AN-1140: Microphone Array Beamforming (pdf, 198 kB)
- AN-1112: Microphone Specifications Explained (PDF, 139 kB)
- AN-1068: Reflow Soldering of the MEMS Microphone (pdf, 119 kB)
- AN-1003: Recommendations for Mounting and Connecting Analog Devices, Inc., Bottom-Ported MEMS Microphones (pdf, 118 kB)
- AN-938: Digital and Analog Measurement Units for Digital CMOS Microphone Preamplifier ASICs (pdf, 75 kB)
- AN-583: Using the SSM2167 Evaluation Board (pdf, 124 kB)
- AN-1124: Recommendations for Sealing Analog Devices, Inc., Bottom-Port MEMS Microphones from Dust and Liquid Ingress (pdf, 111 kB)
Circuit Note (2)
Technical Articles (3)
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A History of Consumer Microphones:
(pdf, 9034 kB)
The Electret Condenser Microphone Meets Micro-Electro-Mechanical-Systems (Accoustics Today, April 2009) -
MS-2275: Common Inter-IC Digital Interfaces for Audio Data Transfer
(pdf, 106 kB)
by Jerad Lewis, Applications Engineer, MEMS Microphone Group, Analog Devices, Inc. - MS-2348: Low Self Noise: The First Step to High Performance MEMS Microphone Applications (pdf, 257 kB)
Data Sheets (6)
- ADMP401: Omnidirectional Microphone with Bottom Port and Analog Output Data Sheet (Rev E, 07/2012) (pdf, 175 kB)
- ADMP404: Omnidirectional Microphone with Bottom Port and Analog Output Data Sheet (Rev C, 07/2012) (pdf, 343 kB)
- ADMP405: Omnidirectional Microphone with Bottom Port and Analog Output Data Sheet (Rev B, 09/2011) (pdf, 399 kB)
- ADMP504: Ultralow Noise Microphone with Bottom Port and Analog Output Data Sheet (Rev A, 06/2012) (pdf, 266 kB)
- SSM2166: Microphone Preamplifier with Variable Compression & Noise Gating Data Sheet (Rev D, 07/2008) (pdf, 1651 kB)
- SSM2167: Low Voltage Microphone Preamplifier with Variable Compression and Noise Gating Data Sheet (Rev G, 09/2011) (pdf, 269 kB)
Design & Integration Files (1)
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CN0262 Design & Integration Files
(zip, 2 kB)
- Schematic
- Bill of Materials
- Layout Files
- Assembly Drawing
Design Calculators (1)
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SSM2167 Transfer Characteristic Tool
An online tool to compute and plot the transfer characteristic from RCOMP and RGATE.
Design Tool (2)
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Microphone Beamforming Simulation Tool (32-bit)
Software tool for simulating the response of microphone beamforming arrays. -
Microphone Beamforming Simulation Tool (64-bit)
Software tool for simulating the response of microphone beamforming arrays.
Documentation (6)
- UG-126: EVAL-ADMP401Z Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 54 kB)
- UG-142: EVAL-ADMP404Z-FLEX Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 77 kB)
- UG-143: EVAL-ADMP405Z-FLEX Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 111 kB)
- UG-278: EVAL-ADMP401Z-FLEX: Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 88 kB)
- UG-325: EVAL-ADMP504Z-FLEX: Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 105 kB)
- AN-583: Using the SSM2167 Evaluation Board (pdf, 124 kB)
FAQs/RAQs (9)
- Can ADI MEMS mics be soldered to a flex PCB?
- Can digital microphone PDM output be interfaced with I²S directly?
- Could direct soldering to a PCB cause vibration pickup by the mic?
- Could software be used to eliminate competitor mics’ response peaks?
- Due to open package, are there problems with humidity (condensation) when cooling down/heating up the device?
- Is -26 dBFS digital mic sensitivity higher than -42 dBV analog mic sensitivity?
- Is a microphone with -37 dBV sensitivity better than a microphone with -42 dBV (lower) sensitivity?
- What is the recommended thickness of the PCB for the ADI MEMS mics?
- Why not design a mic with the highest sensitivity?
Overview (2)
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Amplifier pricing where you want it,
(pdf, 1037 kB)
... performance where you need it. - Analog Devices in Advanced TV
Product Reviews (2)
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ADI: Analog Essential To HDTV Experience
(Electronic Design, 10/1/2007) -
Audio Processors, Amplifiers Deliver Complete HDTV Audio Subsystem
(Embedded.com, 10/1/2007)
Solutions Bulletins (2)
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Industrial ICs
Industrial ICs Solutions Bulletin, Volume 10, Issue 8 - Industrial ICs Solutions Bulletin, Volume 10, Issue 8 (pdf, 4250 kB)
User Guides (5)
- UG-126: EVAL-ADMP401Z Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 54 kB)
- UG-142: EVAL-ADMP404Z-FLEX Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 77 kB)
- UG-143: EVAL-ADMP405Z-FLEX Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 111 kB)
- UG-278: EVAL-ADMP401Z-FLEX: Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 88 kB)
- UG-325: EVAL-ADMP504Z-FLEX: Bottom-Ported Analog Output MEMS Microphone Evaluation Board (pdf, 105 kB)
Videos (2)
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ADI MEMS Mics Set New Bar in Noise Performance
Analog Devices has launched a new family of MEMS microphones with the lowest noise floor in the industry. Learn about the first member of this family, the ADMP504, and how these microphones can give your design a competitive edge. -
Introducing iMEMS® Microphones
This video compares the ADMP401 Analog MEMS and the ADMP421 Digital MEMS with a BK Type 4939 Measurement microphone. High performance and reliability with 61dB A-weighted SNR and flat frequency response from 100Hz to > 12kHz.
Analog Dialogue (1)
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Analog Dialogue: Toward More Compact Digital Microphones
(Analog Dialogue, Vol. 41, September 2007)
