3SM222FMB1VA

Overview

The 3SM222FMB1VA is an active MEMS silicon microphone manufactured by 3S (Solid State System). It features a digital PDM output and omnidirectional sound pickup. The device operates within a frequency range of 100 Hz to 10 kHz and supports supply voltages from 1.6 V to 3.6 V. It utilizes solder pads for mounting and exhibits a sensitivity of -26 dB ±1 dB at 94 dB SPL.

Feature Summary

• Digital PDM output interface
• Omnidirectional acoustic design
• Bottom port configuration

Applications

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

Procurement Notes

Verify the specific ordering suffix matches the required package and sensitivity specifications. Confirm RoHS compliance status with the supplier. Ensure ESD handling procedures are followed during storage and assembly. Cross-reference the manufacturer datasheet for accurate pinout and electrical characteristics before integration.

Selection Notes

Select this component when a digital PDM interface is required for direct connection to processors. Consider the bottom port orientation for mechanical integration constraints. Evaluate the 1.6 V to 3.6 V operating range against system power rails. Verify the 100 Hz to 10 kHz frequency response meets application bandwidth needs.

Part Context

This part belongs to the 3S MEMS series, representing solid-state acoustic sensors. Solid State System Co., Ltd. specializes in MEMS technology. The 3SM222 series includes variants with different porting and sensitivity levels. This specific model is designated for digital audio applications requiring compact form factors.

Replacement Considerations

Check for compatible substitutes such as the 3SM222KMB1HA-P if top porting is acceptable. Verify pin compatibility and electrical parameters before substitution. Consult official cross-reference lists for verified alternatives.