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INMP521ACEZ-R0
bottom-port low-noise digital MEMS microphone with PDM output
Specifications
Key details
| Part Number | INMP521ACEZ-R0 |
|---|---|
| Manufacturer | TDK InvenSense (Analog Devices legacy) |
| Category | Digital MEMS Microphone |
| Lifecycle Status | Obsolete |
| Series | INMP521 / ADMP521 |
| Package / Case | 5-terminal LGA cavity, 4 mm × 3 mm |
| Pin Count | 5 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-22 |
Overview
Part information
INMP521ACEZ-R0 Overview
INMP521ACEZ-R0 is a TDK InvenSense (Analog Devices legacy) bottom-port low-noise digital MEMS microphone with PDM output supplied in 5-terminal LGA cavity, 4 mm × 3 mm. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Output | PDM digital |
|---|---|
| Port | Bottom port |
| Sensitivity | -26 dBFS typical class |
| Signal-to-Noise Ratio | 65 dBA class |
| Package | 5-terminal LGA cavity |
Package and Ordering Notes
The listed package is 5-terminal LGA cavity, 4 mm × 3 mm with 5 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
INMP521ACEZ-R0 is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against TDK InvenSense (Analog Devices legacy) documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
INMP521ACEZ-R0 FAQ
What is INMP521ACEZ-R0?
INMP521ACEZ-R0 is a TDK InvenSense (Analog Devices legacy) bottom-port low-noise digital MEMS microphone with PDM output. It belongs to the INMP521 / ADMP521 series.
What are the key specifications of INMP521ACEZ-R0?
Output is PDM digital, and Port is Bottom port. Use the linked manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does INMP521ACEZ-R0 use?
INMP521ACEZ-R0 is supplied in 5-terminal LGA cavity, 4 mm × 3 mm with 5 pins, leads, lands or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is INMP521ACEZ-R0 still in production?
INMP521ACEZ-R0 is obsolete or discontinued. Any remaining stock should be checked for traceability, date code, package marking and storage history.
What should be checked before sourcing INMP521ACEZ-R0?
Confirm the complete MPN, electrical ratings, package, temperature grade and required quantity. Possible alternatives include Qualify a current bottom-port PDM microphone after verifying sensitivity, SNR, clocking and footprint, but compatibility must be verified independently.
Sourcing notes
Lifecycle and sourcing review
Obsolete
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
INMP521ACEZ-R0 is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
Alternatives
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.