IM69D128SV01XTMA1

Microphones Overview

The IM69D128SV01XTMA1 is a digital MEMS microphone from Infineon's XENSIV family. It features a PDM interface and operates within a supply voltage range of 1.62 V to 3.60 V. The device provides an A-weighted signal-to-noise ratio of 69 dB(A) and a sensitivity of -34 dBFS. It has a low-frequency response offset of 128 dBSPL LFRO and consumes 980 µA of current. The component is housed in a compact package measuring 3.60 x 2.50 x 1.00 mm³.

Microphones Feature Summary

• Digital PDM output interface for direct connection to audio processors
• High acoustic performance with 69 dB(A) signal-to-noise ratio
• Low power consumption suitable for battery-operated devices
• Compact surface-mount package design

Microphones Applications

• Smartphones and mobile communication devices
• Voice-controlled consumer electronics
• Hands-free speakerphone systems
• Internet of Things (IoT) voice interfaces

Microphones Procurement Notes

Verify the complete part number including suffix XTMA1 against official Infineon documentation to ensure correct tape-and-reel packaging configuration. Confirm RoHS compliance status and specific manufacturing lot codes through authorized distributors. Cross-reference datasheet revisions to ensure compatibility with existing design specifications before finalizing procurement orders.

Microphones Selection Notes

Select this model when a balance of high sound quality and moderate power consumption is required. It serves as a suitable alternative to analog microphones by eliminating external ADC requirements. Consider the 3.60 x 2.50 mm footprint constraints during PCB layout. Ensure the host processor supports the PDM clock frequencies specified in the electrical characteristics section of the datasheet.

Microphones Part Context

This component belongs to the XENSIV digital MEMS microphone portfolio, designed for high-fidelity audio capture. It complements other variants like the IM69D127 and IM69D129 by offering specific acoustic and power trade-offs. The series is engineered for integration into modern portable electronics requiring reliable voice input capabilities.

Microphones Replacement Considerations

Direct substitutes include IM69D127V11XTSA1 and IM69D129FV01XTSA1. Verify pinout compatibility and electrical parameter alignment, particularly sensitivity and noise floor differences, before implementing any cross-model replacements in existing designs.