SPM0404LE5H

Overview

The SPM0404LE5H is an omnidirectional analog MEMS microphone manufactured by Syntiant. It operates within a voltage range of 1.5 V to 3.6 V and draws a supply current of 250 µA. The device features a sensitivity of -38 dB ±3 dB at 94 dB SPL, with a frequency response spanning from 100 Hz to 10 kHz. It utilizes solder pad termination for surface mount installation.

Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• Analog output interface compatible with standard audio processing circuits
• Low power consumption suitable for battery-operated applications

Applications

• Voice recognition systems
• Consumer electronics audio input
• Portable recording devices

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for end-of-life notifications prior to procurement. Ensure packaging specifications match assembly requirements. Validate part markings against official datasheet documentation to prevent counterfeit substitution.

Selection Notes

Select this component when analog output is required rather than digital PDM interfaces. Consider the specific sensitivity and noise floor characteristics relative to the target application's acoustic environment. Evaluate the physical dimensions and mounting style against the available PCB real estate constraints.

Part Context

This microphone belongs to the SiSonic family of MEMS microphones produced by Syntiant. These components are engineered for high performance in compact form factors, targeting edge AI and voice-enabled devices where low latency and power efficiency are critical design parameters.

Replacement Considerations

SPM0404LE5H-2 is listed as an alias for this component.