SPW0878LR5H-1

Overview

The SPW0878LR5H-1 is an analog MEMS microphone from the SiSonic series. It features a bottom port and pad termination. The device operates within a voltage range of 1.6 V to 3.6 V. It provides a sensitivity of -44 dB ±1 dB at 94 dB SPL. The signal-to-noise ratio is 64.5 dB. The frequency response spans from 15 Hz to 24 kHz. Impedance is specified at 380 Ohms. Dimensions are 3.10 mm x 2.50 mm x 1.06 mm.

Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture
• Silicon-based MEMS construction for durability
• Bottom port design for flexible PCB integration

Applications

• Voice recognition systems
• Consumer audio devices
• General purpose microphone arrays

Procurement Notes

Verify component status as this part may be discontinued or obsolete. Confirm availability through authorized distributors or surplus suppliers. Check for valid RoHS compliance documentation. Ensure compatibility with existing board designs if replacing active inventory. Validate datasheet revisions before finalizing procurement specifications.

Selection Notes

Select this model for applications requiring a compact omnidirectional analog microphone. Consider the 1.6 V to 3.6 V operating range for power supply constraints. Evaluate the 64.5 dB SNR against system noise requirements. Verify that the 380 Ohm impedance matches interface circuitry. Assess physical dimensions for enclosure fitment.

Part Context

This component belongs to the Syntiant SiSonic SPW series of silicon microphones. These devices are designed for high-performance audio sensing in portable electronics. The series emphasizes low power consumption and small form factors suitable for modern mobile and IoT applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.