SPW0430HR5HB-B

Overview

The SPW0430HR5HB-B is a miniature, high-performance, low-power analog MEMS microphone manufactured by Syntiant. It features a silicon construction with top-port design and omnidirectional acoustic characteristics. The device operates within a frequency range of 100 Hz to 10 kHz and supports supply voltages from 1.5 V to 3.6 V. Key electrical specifications include a sensitivity of -42 dB ±3 dB @ 94 dB SPL and a signal-to-noise ratio of 59 dBA. The component utilizes solder pads for surface-mount integration.

Feature Summary

• Top-port silicon MEMS structure for compact integration
• Omnidirectional acoustic response for uniform sound capture
• Low power consumption suitable for battery-operated devices

Applications

• Voice recognition systems
• Mobile communication devices
• Consumer electronics audio input

Procurement Notes

Verify the manufacturer designation carefully, as the component references Knowles technology in some documentation while being listed under Syntiant. Confirm the exact suffix and package type against the official datasheet to ensure compatibility with your PCB layout. Check for current availability status as distribution channels may vary.

Selection Notes

Select this component when a small form factor and low power usage are critical for the application. Ensure the operating voltage range aligns with the system's power supply rails. Verify that the analog output interface matches the downstream processing circuitry requirements without additional digital conversion needs.

Part Context

This microphone belongs to the SPW series of analog MEMS devices. It shares architectural similarities with other models in the lineup but differs in specific electrical parameters and packaging details. Understanding the broader family context helps in identifying compatible alternatives or upgrades within the same product line.

Replacement Considerations

Direct substitutes may include other SPW series variants with similar pinouts and electrical characteristics. Verify mechanical dimensions and acoustic performance before substitution. Cross-reference with official replacement lists to ensure functional equivalence.