SPM0408HE5H

Overview

The SPM0408HE5H is an omnidirectional analog MEMS microphone manufactured by Syntiant. It operates within a voltage range of 1.5 V to 3.6 V and features a frequency response from 100 Hz to 10 kHz. The device exhibits a sensitivity of -22 dB and a signal-to-noise ratio of 59 dB. It consumes 350 µA of supply current and presents an impedance of 300 Ohms. The component utilizes solder pad termination and is housed in a rectangular LGA-6 package measuring 4 mm x 2 mm with a height of 1.1 mm.

Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture
• Silicon-based MEMS construction for durability
• Low voltage operation suitable for portable systems

Applications

• Voice-controlled devices
• Smart home sensors
• Wearable audio gear

Procurement Notes

Verify the specific suffix against official Syntiant documentation to confirm exact electrical tolerances and packaging variants. Confirm RoHS compliance status through the manufacturer's latest datasheet. Ensure the selected variant matches the required impedance and sensitivity specifications for the target circuit design before finalizing procurement.

Selection Notes

Select this component for applications requiring low power consumption and compact form factors. The analog output interface requires compatible ADC circuits. Verify that the operating voltage range aligns with the system's power rails. Consider the 300 Ohm impedance when designing input matching networks for optimal signal integrity.

Part Context

This model belongs to the SiSonic series of MEMS microphones produced by Syntiant. These components are designed for high-performance audio capture in embedded electronics. The series emphasizes miniaturization and reliability for consumer and industrial audio sensing applications.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific component were not identified in the provided source material.