SPV1840LR5H-B

Overview

The SPV1840LR5H-B is an omnidirectional analog MEMS microphone manufactured by Syntiant. It operates within a supply voltage range of 1.5 V to 3.6 V and draws an operating supply current of 60 uA. The device functions as a silicon-based transducer with solder pad termination. Its frequency response spans from 100 Hz to 10 kHz, and it maintains performance across an operating temperature range of -40 C to +100 C.

Feature Summary

• Omnidirectional acoustic sensitivity for uniform sound capture
• Analog output signal transmission
• Low power consumption operation

Applications

• Voice recognition systems
• Consumer audio devices
• IoT voice interfaces

Procurement Notes

Verify the specific suffix B against official datasheets to confirm pinout and electrical characteristics. Ensure compatibility with the target system's voltage levels and interface requirements before integration. Confirm RoHS compliance status through manufacturer documentation.

Selection Notes

Select this component for applications requiring low power analog microphones with wide temperature tolerance. Compare specifications against alternative models like the SPV1142LR5H-1 if different frequency ranges or sensitivity levels are required. Validate package compatibility with PCB layout constraints.

Part Context

This part belongs to Syntiant's SiSonic™ MEMS microphone portfolio. These components are designed for high-performance audio sensing in compact form factors. The series supports various interface types including analog and digital outputs for diverse embedded audio processing needs.

Replacement Considerations

SPV1142LR5H-1: Verify frequency response differences (25 Hz vs 100 Hz start) and sensitivity variations.