3SM127LZB1HA

Overview

The 3SM127LZB1HA is an analog MEMS microphone manufactured by Solid State System. It operates within a voltage range of 1.6 V to 3.6 V and consumes a supply current of 80 µA. The device features a frequency response spanning from 100 Hz to 10 kHz. It has an impedance of 200 Ohms and is designed for bottom port applications with a sensitivity of -38 dB.

Feature Summary

• Utilizes silicon MEMS technology for acoustic sensing
• Designed for automotive grade reliability standards
• Supports low voltage operation for portable systems

Applications

• Automotive audio systems
• Voice recognition modules
• Consumer electronics microphones

Procurement Notes

Verify the specific suffix B1HA against official datasheets to confirm package type and sensitivity tolerances. Ensure the procurement channel provides traceability for automotive-grade components. Cross-reference the impedance and voltage specifications with system requirements before integration to prevent compatibility issues.

Selection Notes

Select this component when a low-power analog MEMS solution is required for automotive or mobile environments. The 200 Ohm impedance and 80 µA current draw suit battery-operated designs. Confirm that the 100 Hz to 10 kHz bandwidth meets the target application's voice capture needs without additional filtering.

Part Context

Solid State System, also known as 3S, was founded in 1998 and is headquartered in Hsinchu. While primarily recognized for NAND flash expertise, the company produces MEMS microphones. This part belongs to their analog microphone series, distinct from their storage media products.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer guidelines for direct replacements.