MMICT5837-00-012

Microphones Overview

The MMICT5837-00-012 is a MEMS microphone manufactured by TDK InvenSense, featuring a bottom port and PDM digital output. It operates on a supply voltage of 1.8 V with a current consumption of 310 uA. The device provides a sensitivity of -37 dB and an SNR of 68 dBA. Its frequency range spans from 27 Hz to 20 kHz. The physical dimensions are 3.5 mm in length, 2.65 mm in width, and 0.98 mm in depth. It supports an operating temperature range from -40 C to +85 C.

Microphones Feature Summary

• Multi-mode capability supporting various digital interfaces
• Bottom port acoustic design for flexible PCB integration
• Low power consumption suitable for battery-operated devices

Microphones Applications

• Smartphones and mobile communication devices
• Voice-controlled IoT sensors
• Wearable audio equipment

Microphones Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with your system requirements. Confirm RoHS compliance status and moisture sensitivity level before procurement. Cross-reference the ordering part number with official distributor catalogs to avoid counterfeit components. Ensure proper ESD handling procedures are followed during storage and assembly.

Microphones Selection Notes

Select this component when a compact digital microphone with low power usage is required. The bottom port configuration allows for optimized acoustic chamber design. Compare sensitivity and SNR specifications against application noise floor requirements. Verify interface compatibility with the host processor's PDM controller. Consider thermal performance within the specified operating temperature range.

Microphones Part Context

This component belongs to the SmartSound family of MEMS microphones from TDK InvenSense. It represents a shift towards digital output solutions that simplify system architecture by eliminating analog-to-digital conversion stages. The product line focuses on high-performance audio capture for consumer electronics and smart devices.

Microphones Replacement Considerations

ICS-40730 and ICS-40720 are listed as obsolete alternatives. Note that these legacy parts utilize analog outputs, requiring different circuitry compared to the digital PDM output of the MMICT5837-00-012.