3SM122KZT1VA

Overview

The 3SM122KZT1VA is an analog MEMS microphone manufactured by 3S (Solid State System). It features a top port design with omnidirectional sensitivity. The device operates within a voltage range of 1.6 V to 3.6 V and delivers a sensitivity of -38 dB ±1 dB at 94 dB SPL. Its frequency response spans from 100 Hz to 10 kHz, making it suitable for voice capture applications requiring standard acoustic performance.

Feature Summary

• Omnidirectional acoustic pickup pattern
• Top port membrane design
• Analog output signal

Applications

• Voice recognition systems
• Consumer audio devices
• Hands-free communication modules

Procurement Notes

Verify the complete part number including suffixes such as -002-R against official manufacturer documentation to ensure correct packaging and specifications. Confirm that the analog interface and top port configuration match your circuit design requirements before ordering.

Selection Notes

Select this component when an omnidirectional analog MEMS microphone is required for low-power voice applications. Ensure the supply voltage aligns with the 1.6 V to 3.6 V operating range and that the PCB layout accommodates the top port orientation for optimal sound intake.

Part Context

This component belongs to the Solid State System MEMS microphone portfolio. The manufacturer specializes in audio control chips and micro-electromechanical systems. This specific model represents their analog microphone line designed for integration into portable electronic devices.

Replacement Considerations

Check for direct substitutes with identical -38 dB sensitivity and top port architecture. Verify pin compatibility and voltage ranges before swapping components to maintain system acoustic performance.