SPW2430HR5H-B

Overview

The SPW2430HR5H-B is a silicon MEMS microphone from the SiSonic™ SP series, manufactured by Syntiant. It features an analog output and omnidirectional sound pickup with a top port location. The device operates within a voltage range of 1.5 V to 3.6 V and draws a supply current of 110 µA. Key electrical specifications include a sensitivity of -42dB ±3dB at 94dB SPL, a signal-to-noise ratio of 59dB, and an impedance of 450 Ohms. The frequency response spans from 100 Hz to 10 kHz. The component is housed in a rectangular LGA package measuring 3.10mm x 2.50mm with a maximum height of 1.10mm.

Feature Summary

• Analog output interface for direct audio signal processing
• Omnidirectional acoustic design for uniform sound capture
• Low power consumption suitable for battery-operated devices

Applications

• Voice recognition systems
• Smart home voice assistants
• Hands-free communication modules

Procurement Notes

Verify component authenticity through authorized distributors as this part is obsolete. Check datasheet revisions for any manufacturing changes. Confirm RoHS compliance status before integration. Ensure ESD handling protocols are followed during assembly due to MEMS sensitivity.

Selection Notes

Select this model for applications requiring low-power analog MEMS microphones with omnidirectional characteristics. Consider the 1.5V to 3.6V operating range for compatibility with system power rails. Evaluate the 59dB SNR against noise floor requirements. Verify package dimensions fit the PCB layout constraints.

Part Context

This component belongs to the SiSonic™ SP series of MEMS microphones designed for voice-centric applications. It represents a silicon-based acoustic sensor technology optimized for cost-effective and energy-efficient voice capture solutions in consumer electronics.

Replacement Considerations

Public confirmed substitute: CMM-3125AT-42316-TR (Same Sky). Verify pinout and electrical parameter compatibility before substitution.