3SM122KZB1VD-002-R

Overview

The 3SM122KZB1VD-002-R is an active MEMS microphone manufactured by Solid State System. It features a silicon-based analog output and an omnidirectional acoustic design. The device operates within a frequency range of 100 Hz to 10 kHz. Key electrical specifications include a sensitivity of -38 dB ±1 dB at 94 dB SPL, with a dynamic range spanning from 64 dB to 128 dB. The component utilizes a surface-mount package measuring 2.75 x 1.85 mm.

Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture
• Silicon MEMS construction ensuring mechanical stability
• Analog signal output interface

Applications

• Headset microphone integration
• Voice recognition systems
• Consumer audio recording devices

Procurement Notes

Verify the specific ordering suffix and tape-and-reel configuration against the manufacturer's latest documentation before procurement. Confirm that the surface-mount footprint matches the target PCB layout. Ensure the analog output requirements align with the receiving circuitry impedance and voltage levels. Cross-reference the active status with current supply chain availability through authorized channels.

Selection Notes

Select this component when an omnidirectional analog MEMS microphone is required for compact audio applications. The specified sensitivity and frequency response suit voice-centric environments. Consider the physical dimensions and surface-mount orientation during mechanical design. Validate compatibility with existing analog front-end circuits regarding noise floor and dynamic range requirements.

Part Context

This part belongs to the 3SM122 series of MEMS microphones from Solid State System. It shares the same foundational technology as variants like the 3SM122HZB1VD-R but differs in specific electrical characteristics and packaging details. The series represents silicon-based solutions designed for high-volume consumer electronics manufacturing.

Replacement Considerations

Direct substitutes within the same family include the 3SM122HZB1VD-R. Verify pinout compatibility and sensitivity tolerances when swapping between these variants. Ensure the replacement maintains the required omnidirectional characteristic and analog output format for the specific application.