SPG08P4HM4H-1

Overview

The SPG08P4HM4H-1 is a digital MEMS microphone from the SiSonic series, manufactured by Syntiant. It features a top-port design with an omnidirectional response and PDM output. Key electrical parameters include a signal-to-noise ratio of 64 dB, a maximum sound pressure level of 120 dB, and a sensitivity of -26 +/-1 dBV. The device operates at 1.8 V with low power consumption of 290 µA and standard mode at 715 µA. It offers a frequency response starting at 30 Hz and provides 83 dB of power supply rejection ratio.

Feature Summary

• Integrates a silicon MEMS sensor with on-chip analog-to-digital conversion for direct digital PDM output
• Features a top-port acoustic design optimized for omnidirectional sound capture
• Includes integrated ASIC circuitry to deliver high signal-to-noise ratio performance

Applications

• Voice recognition systems in smart speakers
• Hands-free communication modules in mobile devices
• Noise cancellation arrays in consumer electronics

Procurement Notes

Verify the specific suffix and tape-and-reel quantity requirements against the manufacturer's latest datasheet before ordering. Confirm that the procurement channel provides genuine components with traceable origin. Ensure compatibility with the target PCB footprint and reflow soldering profiles specified in the official documentation.

Selection Notes

Select this component when a compact digital microphone with top-port accessibility is required. It is suitable for designs prioritizing low power consumption alongside high audio fidelity. Consider the 64 dB SNR and 120 dB SPL limits to ensure they meet the acoustic environment requirements of the target application.

Part Context

This part belongs to the Syntiant SiSonic family of digital microphones. These components combine MEMS technology with proprietary ASICs to provide high-performance audio sensing. The SPG08P4HM4H-1 variant specifically targets applications requiring robust voice pickup in noisy environments through its advanced noise rejection capabilities.

FAQ

What is the output interface type for the SPG08P4HM4H-1?

The device outputs a digital Pulse Density Modulation (PDM) signal.

Does the SPG08P4HM4H-1 support bottom-port mounting?

No, this specific model utilizes a top-port acoustic design.