SPV0842LR5H-1

Overview

The SPV0842LR5H-1 is a silicon MEMS microphone from the SiSonic series, featuring an analog output and bottom port configuration. It operates within a voltage range of 1.5 V to 3.6 V with a supply current of 145 µA. The device provides a sensitivity of -38 dB and a signal-to-noise ratio of 62.5 dBA. Its frequency response spans 50 Hz to 10 kHz. The component measures 2.75 mm in length and 1.85 mm in width, housed in a rectangular SMD package.

Feature Summary

• Bottom port acoustic design for omnidirectional sound capture
• Analog output interface for direct signal processing
• Low power consumption suitable for battery-operated devices

Applications

• Voice recognition systems
• Smart home audio interfaces
• Portable consumer electronics

Procurement Notes

Verify component status as this part is listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors for remaining stock or consider alternative sourcing strategies. Ensure compatibility with existing PCB layouts and assembly processes before finalizing procurement plans.

Selection Notes

Select this component for applications requiring high SNR and low power in a compact form factor. Verify that the analog output format matches the downstream ADC requirements. Check thermal operating limits against the intended environment. Consider the bottom port orientation for proper acoustic coupling in the final enclosure design.

Part Context

This microphone belongs to the Syntiant SiSonic family, designed for embedded voice applications. It integrates a MEMS sensor with an ASIC for signal conditioning. The product line focuses on providing high-fidelity audio capture with minimal power overhead for always-on listening scenarios in IoT and mobile devices.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the component's obsolete status.