SD28OB341-015

Overview

The SD28OB341-015 is a digital MEMS microphone manufactured by Goertek Microelectronics Inc. It operates within a voltage range of 1.62 V to 3.6 V and draws a typical operating current of 1 mA. The device features an omnidirectional polar pattern with a sensitivity of -34 dB and a signal-to-noise ratio of 69 dB. Designed for surface mount technology, it withstands reflow temperatures up to 260°C for 50 seconds.

Feature Summary

• Digital MEMS architecture suitable for SMT processes
• Omnidirectional acoustic response
• High signal-to-noise ratio performance

Applications

• Consumer electronics audio input
• Smartphone microphone arrays
• Wearable device voice capture

Procurement Notes

Verify the specific datasheet version and ordering suffixes directly with authorized distributors or the manufacturer. Confirm package type availability, typically Tape & Reel (TR), and ensure compliance with RoHS and other relevant environmental standards before finalizing procurement orders.

Selection Notes

Select this component when a digital output interface is required for noise immunity in compact designs. Consider the 1.62 V minimum supply voltage for low-power applications. Ensure the PCB layout supports the required thermal profile for reflow soldering at 260°C.

Part Context

Goertek Microelectronics Inc. specializes in MEMS devices and microsystem modules for consumer electronics. This part belongs to their digital microphone line, supporting applications in smartphones, wireless headphones, and smart home products through integrated chip design and packaging solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin compatibility and electrical specifications with alternative suppliers if sourcing constraints require substitution.