IM66D120AXTMA1

Microphones Overview

The IM66D120AXTMA1 is a digital MEMS microphone from Infineon Technologies, featuring PDM output. It operates within a supply voltage range of 1.62 V to 3.6 V and draws 1.1 A working current. The device provides a sensitivity of -26 dBFS and an SNR of 66 dBA. Its frequency range spans 1.2 MHz to 3.2 MHz, with a maximum sound pressure level of 114 dBSPL. It functions between -40°C and +105°C. The component measures 3.5 mm x 2.65 mm x 0.98 mm in a TLGA-5-6 package and holds AEC-Q103 qualification.

Microphones Feature Summary

• Digital PDM output interface for direct connection to processors
• AEC-Q103 qualified for automotive reliability standards
• High sound pressure level handling capability up to 114 dBSPL
• Wide operating temperature range suitable for harsh environments

Microphones Applications

• Automotive voice recognition systems
• In-cabin noise cancellation applications
• Hands-free communication modules
• Vehicle infotainment audio input

Microphones Procurement Notes

Verify the specific suffix and tape/reel configuration against the manufacturer's official ordering guide before purchase. Confirm that the AEC-Q103 qualification status matches the required automotive grade for your specific application environment. Ensure compatibility with the host processor's PDM interface timing requirements. Check for any recent lifecycle notices or obsolescence warnings directly from Infineon documentation.

Microphones Selection Notes

Select this component when high acoustic performance and automotive durability are required. The wide temperature range supports under-hood or exterior mounting positions. The digital PDM output simplifies PCB layout by reducing analog noise susceptibility. Consider the physical dimensions for tight enclosure constraints. Verify power consumption limits align with system battery or bus capabilities.

Microphones Part Context

This part belongs to Infineon's XENSIV MEMS microphone portfolio, designed for robust audio sensing. It integrates a silicon diaphragm and CMOS ASIC on a single substrate. The technology enables miniaturization while maintaining high signal integrity. It represents a shift towards digital acoustic solutions in complex electronic architectures.

Microphones Replacement Considerations

Check Infineon datasheets for pin-compatible alternatives within the same series. Verify if other models offer different sensitivity or package sizes. Ensure substitute parts maintain AEC-Q103 certification if automotive use is intended. Cross-reference electrical parameters to guarantee functional equivalence.