SPH8878LR5H-1

Overview

The SPH8878LR5H-1 is an analog MEMS microphone from the SiSonic series by Syntiant. It features a bottom port configuration and rectangular shape with dimensions of 2.75mm x 1.85mm x 1.00mm. Key electrical parameters include a sensitivity of -44 +/- 1 dB (SE) and -38 +/- 1 dB (diff.) dBV, a signal-to-noise ratio of 67 dB, and a sound pressure level of 134 dB SPL. It operates at 2.7V with a current consumption of 250 µA. The device offers 85 dB PSRR and has a frequency range starting at 7 Hz.

Feature Summary

• Analog output type for direct interface compatibility
• High sound pressure level handling capability
• Low power consumption design for battery-operated devices

Applications

• Voice recognition systems
• Smart home audio devices
• Wearable electronics

Procurement Notes

Verify the specific ordering suffix to ensure correct packaging format, as variations exist in tape and reel configurations. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Check component availability and lifecycle status, as manufacturing changes may occur. Ensure ESD protection protocols are followed during handling and assembly processes.

Selection Notes

Choose this model when high sensitivity and low noise are critical for voice capture accuracy. The analog output simplifies circuit design by removing the need for digital interface logic. Consider the physical footprint constraints and bottom-port acoustic requirements. Evaluate power budget limitations against the specified operating current.

Part Context

This component belongs to the SiSonic MEMS microphone family produced by Syntiant. The brand specializes in edge AI solutions, integrating hardware and software for audio and sensor applications. This microphone supports always-on voice processing tasks in consumer and industrial markets.

Replacement Considerations

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