3SM121MZT1UA

Overview

The 3SM121MZT1UA is a MEMS silicon microphone manufactured by 3S (Solid State System). It features an analog output and omnidirectional acoustic design. The device operates within a frequency range of 100 Hz to 10 kHz. Its sensitivity is specified at -38dB ±1dB relative to 1V/Pa at 94dB SPL. The component utilizes a surface-mount package for integration into electronic circuits.

Feature Summary

• Omnidirectional acoustic pickup pattern
• Analog signal output interface
• MEMS silicon construction

Applications

• Audio input devices
• Consumer electronics
• Voice recognition systems

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct configuration. Confirm that the specific variant matches the required sensitivity and package type for your design. Cross-reference datasheet revisions to validate electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when an analog output MEMS microphone with omnidirectional characteristics is required. Ensure the operating voltage and sensitivity specifications align with the target application's audio processing chain. Verify compatibility with existing PCB footprint requirements and assembly processes.

Part Context

This component belongs to the 3SM12 series of MEMS microphones produced by Solid State System Co., Ltd. The series utilizes CMOS process technology for manufacturing. These devices are designed for cost-effective integration into various audio applications requiring reliable sound capture.

Replacement Considerations

Consult official substitution lists or equivalent product catalogs from authorized distributors. Verify pinout compatibility and electrical parameter alignment before considering alternative components.