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IMP34DT05TR
top-port omnidirectional digital MEMS microphone with PDM output for industrial audio sensing
Specifications
Key details
| Part Number | IMP34DT05TR |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Digital MEMS Microphone |
| Lifecycle Status | NRND |
| Series | IMP34DT05 |
| Package / Case | 4-lead HCLGA, 4 mm × 3 mm × 1 mm |
| Pin Count | 4 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-22 |
Overview
Part information
IMP34DT05TR Overview
IMP34DT05TR is a STMicroelectronics top-port omnidirectional digital MEMS microphone with PDM output for industrial audio sensing supplied in 4-lead HCLGA, 4 mm × 3 mm × 1 mm. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Output | PDM digital |
|---|---|
| Sensitivity | -26 dBFS ±3 dB |
| Signal-to-Noise Ratio | 64 dB |
| Acoustic Overload Point | 122.5 dBSPL |
| Port | Top port |
Package and Ordering Notes
The listed package is 4-lead HCLGA, 4 mm × 3 mm × 1 mm with 4 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 NRND; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
IMP34DT05TR is not recommended for new designs. Confirm support for the existing program and qualify a current alternative for new designs.
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 STMicroelectronics documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
IMP34DT05TR FAQ
What is IMP34DT05TR?
IMP34DT05TR is a STMicroelectronics top-port omnidirectional digital MEMS microphone with PDM output for industrial audio sensing. It belongs to the IMP34DT05 series.
What are the key specifications of IMP34DT05TR?
Output is PDM digital, and Sensitivity is -26 dBFS ±3 dB. Use the linked manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does IMP34DT05TR use?
IMP34DT05TR is supplied in 4-lead HCLGA, 4 mm × 3 mm × 1 mm with 4 pins, leads, lands or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is IMP34DT05TR still in production?
IMP34DT05TR is not recommended for new designs. It may remain available for existing programs, but a current-generation alternative should be qualified for a new design.
What should be checked before sourcing IMP34DT05TR?
Confirm the complete MPN, electrical ratings, package, temperature grade and required quantity. Possible alternatives include Select a current ST PDM MEMS microphone after verifying port orientation, sensitivity, SNR and footprint, but compatibility must be verified independently.
Sourcing notes
Lifecycle and sourcing review
NRND
This part may not be recommended for new designs. Confirm package, electrical requirements, firmware behavior and qualification needs before selecting an alternative.
IMP34DT05TR is not recommended for new designs. Confirm support for the existing program and qualify a current alternative for new designs.
Alternatives
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.