SPH0690LM4H-1

Overview

The SPH0690LM4H-1 is a SiSonic MEMS microphone featuring a bottom port and digital PDM output. It operates within a supply voltage range of 1.65 V to 3.6 V, drawing 650 uA. The device provides an SNR of 68 dB and sensitivity of -26 dB. Dimensions are 3.5 mm x 2.65 mm x 0.98 mm in an LGA-5 package.

Feature Summary

• Integrates digital PDM output for direct interface with processors
• Features bottom port acoustic design for compact integration
• Supports multimode operation across wide voltage ranges

Applications

• Voice-enabled IoT devices
• Smart home audio sensors
• Wearable speech recognition systems

Procurement Notes

Verify the specific suffix and revision level against the manufacturer datasheet to ensure compatibility with your system requirements. Confirm RoHS compliance status and check for any recent engineering change notices that may affect pinout or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a low-profile digital microphone with bottom acoustic access is required. The wide voltage range supports various logic levels. Ensure the PCB layout accommodates the LGA-5 footprint and allows sufficient space for the bottom port venting path.

Part Context

This part belongs to Syntiant’s SiSonic family of intelligent microphones. These components combine MEMS sensing with on-chip signal processing capabilities. The series targets edge AI applications requiring high efficiency and low latency for always-on voice detection scenarios.

Replacement Considerations

KAS-700-0147 is an evaluation board for this microphone, not a direct substitute. Verify cross-compatibility with other Syntiant digital MEMS models based on specific package and electrical parameter matches.