IM72D128V01XTMA1

Microphones Overview

The Infineon IM72D128V01XTMA1 is a digital PDM MEMS microphone featuring an omnidirectional acoustic port and IP57 environmental protection. It operates within a supply voltage range of 1.6 V to 3.6 V, delivering a signal-to-noise ratio of 72 dBA and a sensitivity of -36 dBFS with a tolerance of 1 dB. The device supports a maximum sound pressure level of 128 dBSPL and maintains a frequency response starting at 20 Hz. Its compact LGA-5 package measures 4 mm x 3 mm x 1.2 mm, suitable for surface mount installation across temperatures from -40°C to +85°C.

Microphones Feature Summary

• Integrates a low-noise preamplifier and sigma-delta ADC for high-fidelity digital audio output
• Provides IP57 dust and water resistance for enhanced durability in varied environments
• Utilizes advanced calibration algorithms to ensure tight manufacturing tolerances
• Supports multiple power modes to optimize current consumption based on clock frequency requirements

Microphones Applications

• Audio testing equipment
• Multi-microphone array systems
• Far-field voice capture devices
• Low-volume audio recording applications

Microphones Procurement Notes

Verify the specific ordering suffix XTMA1 against the manufacturer's official datasheet to confirm tape-and-reel packaging and RoHS compliance status. Ensure the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability. Cross-reference the part number with the latest Infineon documentation to validate any potential revisions or updates before finalizing orders.

Microphones Selection Notes

Select this component when design requirements demand high signal integrity combined with robust environmental sealing. The strict sensitivity tolerance benefits multi-microphone configurations requiring consistent phase and amplitude matching. Consider the available power modes if system battery life is critical, as current consumption varies with clock frequency settings.

Microphones Part Context

This component belongs to the XENSIV MEMS microphone family, designed for high-performance digital audio sensing. It represents Infineon's focus on integrating ASIC functionality directly with the MEMS sensor to minimize external circuit complexity while maximizing acoustic performance metrics such as SNR and dynamic range.

Microphones Replacement Considerations

Consult official Infineon substitution guides for verified alternatives. No public substitute part numbers are confirmed in the provided source material.