ADMP421: iMEMS® Microphone Omni Directional Microphone with Bottom Port and Digital Output
Sheet
- Product
DetailsFeatures, Specifications, Status, Price, Diagrams, Similar Products, Support
- Documentation
Data Sheet, Application Notes, Tutorials, User Guides, Quality, Lead-Free, Circuit Notes, Videos
- Design Tools,Models,
Drivers & SoftwareDesign Tools, Device Drivers, SPICE, Models, Software
- Evaluation Kits,
Symbols & FootprintsEvaluation Kits, Symbols & Footprints
- Product Recommendations
& Reference DesignsADI Recommends products to be used with this part, Reference Designs, Companion Products
Sample
& BuyPrice, Packaging, Availability, Disti Inventory, Sample, Purchase
Product Details
myAnalogFEATURES and BENEFITS
- Small and thin 3 mm × 4 mm × 1 mm surface mount package
- High SNR 61 dBA
- High Sensitivity -26 dBFS
- Flat Frequency Response from 100 to 15 kHz
- Low Current Consumption < 650 μAmps
- High PSRR of 80 dBFS
- 4th Order Sigma Delta Modulator
- Digital PDM output
- Compatible with Sn/Pb and Pb-free solder processes
- RoHS/WEEE compliant
Functional Block Diagram for ADMP421
iMEMS® Microphone Omni Directional Microphone with Bottom Port and Digital Output
ADMP421 Functional Block Diagram
Similar Products
Analog Devices has a selection of MEMS microphones with different interfaces, performance levels, and package sizes.
- Consider ADMP401: Omnidirectional Microphone with Bottom Port and Analog Output
- Consider ADMP404: Omnidirectional Microphone with Bottom Port and Analog Output
- Consider ADMP405: Omnidirectional Microphone with Bottom Port and Analog Output
- Consider ADMP441: Omnidirectional Microphone with Bottom Port and I2S Digital Output
- Consider ADMP504: UltraLow Noise Microphone with Bottom Port and Analog Output
- Consider ADMP521: Ultra-Low Noise Microphone with Bottom Port and PDM Digital Output
Documentation
Design Tools,Models,Drivers & Software
| Title | Content Type | File Type |
|---|---|---|
|
Microphone Beamforming Simulation Tool (32-bit)
(zip)
Software tool for simulating the response of microphone beamforming arrays. |
Design Tool | ZIP |
|
Microphone Beamforming Simulation Tool (64-bit)
(zip)
Software tool for simulating the response of microphone beamforming arrays. |
Design Tool | ZIP |
|
ADMP421 IBIS model
(ibs)
IBIS model for ADMP421 simulation |
IBIS Models | IBS |
Evaluation Kits & Symbols & Footprints
Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.
Product Recommendations & Reference Designs
CN0078:Digital MEMS Microphone Simple Interface to a SigmaDSP Audio Codec
Benefits & Features
- iMEMS Digital Microphone
- Output Data is Pulse Density Modulated
- Easy Interface to Audio Codec
Products Used
Explore in Signal Chain Designer
HARDWARE
Companion Products
Suggested Companion Products
Recommended Audio Codecs for the ADMP421
- For a low power SigmaDSP codec with headphone driver and PLL, we recommend the ADAU1761.
- For a low power SigmaDSP codec with mono speaker driver and PLL, we recommend the ADAU1781.
- For a low power, 24-bit audio codec with headphone driver and PLL, we recommend the ADAU1361.
- For a low power, 24-bit audio codec with a fixed-function tunable signal processor, we recommend the ADAU1381.
- For a low power, multi-channel, 24-bit audio codec in a wafer level chip scale package, we recommend the ADAU1373.
- For selecting voltage regulator products, use ADIsimPower.
- For selecting supervisor products, use the Supervisor Parametric Search.
Were these recommendations helpful?
Sample & Buy
Price, packaging, availability
| Model | Package | Pins | Temp. Range |
Packing, Qty |
Price*(100-499) | Price*1000 pcs | RoHS | View PCN/ PDN | Check Inventory/ Purchase/Sample |
|---|
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
