3SM122KZT1VA-002-R

Overview

The 3SM122KZT1VA-002-R is an analog MEMS microphone manufactured by 3S (Solid State System). It features a top-port design with omnidirectional acoustic characteristics. The device operates within a voltage range of 1.6 V to 3.6 V and draws a supply current of 80 µA. Key electrical parameters include a frequency response of 100 Hz to 10 kHz, sensitivity of -38 dB ±1 dB at 94 dB SPL, and a signal-to-noise ratio of 64 dB. The component has an impedance of 200 Ohms and is supplied in tape and reel packaging.

Feature Summary

• Top-port MEMS silicon construction for omnidirectional sound capture
• Low power consumption suitable for battery-operated devices
• Analog output interface with standard impedance

Applications

• Headset microphones
• Mobile communication devices
• Voice recording equipment

Procurement Notes

Verify the complete part number including the suffix '-002-R' to ensure correct packaging configuration. Confirm that the operating voltage requirements align with the system's power supply rails. Check mechanical dimensions against the PCB footprint to ensure proper fit during assembly.

Selection Notes

Select this component when a low-power, omnidirectional analog microphone is required. The 64 dB SNR and -38 dB sensitivity offer a balance between noise performance and signal strength. Ensure the application environment supports the specified 1.6 V to 3.6 V operating range.

Part Context

This model belongs to the 3S MEMS series of analog microphones. It utilizes silicon-based MEMS technology to provide reliable acoustic conversion. The product line focuses on compact form factors suitable for modern portable electronics and audio peripherals.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer catalogs for direct replacements or equivalent specifications from other vendors.