MMICT5818-00-012

Microphones Overview

The MMICT5818-00-012 is a bottom-port PDM MEMS microphone from TDK InvenSense. It operates at 1.8 V with power currents of 220 µA and 590 µA. Sensitivity levels are -41 dB and -26 dB, while SNR values reach 66 dBA and 63 dBA. The frequency range spans 40 Hz to 20 kHz. Dimensions are 3.5 mm x 2.65 mm x 0.98 mm in an LGA-5 package. Operating temperatures range from -40 C to +85 C.

Microphones Feature Summary

• Multi-mode operation supporting high-quality audio capture and low-power consumption states
• High acoustic overload point enabling performance in very noisy environments
• Digital PDM output interface eliminating the need for external analog-to-digital converters

Microphones Applications

• Voice pickup insertion for smart speaker applications
• AI engine interfaces requiring low-latency bitstream data
• Cloud-based audio processing systems

Microphones Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance details via official documentation. Ensure supply chain stability as the manufacturer has indicated obsolescence. Validate technical specifications against current datasheets before integration into final designs.

Microphones Selection Notes

Select this component for applications requiring wide dynamic range at ultra-low power. The multi-mode capability allows balancing between audio fidelity and energy efficiency. The digital PDM interface simplifies system architecture by removing codec requirements. Consider the small form factor for space-constrained portable devices.

Microphones Part Context

This part belongs to the SmartSound family of MEMS microphones. It utilizes pulse density modulation for digital signal transmission. The device integrates signal conditioning and power management within a compact surface-mount package designed for automated assembly processes.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.