SD18OB371-077

$0.66

Description：MIC MEMS DIGITAL -37DB OMNI
Series：-
Mfr：Goertek Microelectronics Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:bfe5f9a50be1 Category: Microphones Brand: Goertek Microelectronics Inc.

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Product introduction

Product Detailed Parameters

Description：MIC MEMS DIGITAL -37DB OMNI
Series：-
Mfr：Goertek Microelectronics Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：MEMS (Silicon)
Output Type：-
Direction：Omnidirectional
Frequency Range：100 Hz ~ 8 kHz
Sensitivity：-37dB ±1dB @ 94dB SPL
S/N Ratio：66dB
Impedance：-
Voltage Range：1.62 V ~ 3.6 V
Current - Supply：1 mA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.138" L x 0.104" W (3.50mm x 2.65mm)
Height (Max)：0.043" (1.08mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：-

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SD18OB371-077

Overview

The SD18OB371-077 is an analog microphone manufactured by Goertek Microelectronics. It utilizes a MEMS (Silicon) structure and features solder pads for mounting. The device operates within a voltage range of 1.62 V to 3.6 V. Its frequency response spans from 100 Hz to 8 kHz. The microphone exhibits an omnidirectional polar pattern with a sensitivity of -37dB ±1dB @ 94dB SPL.

Feature Summary

Utilizes MEMS silicon technology for acoustic sensing
Features an omnidirectional polar pattern for uniform sound capture
Designed for direct surface-mount integration via solder pads

Applications

Smart wearable devices
Hearable audio solutions
AI speakers and home security systems

Procurement Notes

Verify the specific part number against official Goertek documentation to ensure compatibility with system voltage requirements and mechanical constraints. Confirm that the solder pad interface matches the target PCB layout. Validate that the frequency response and sensitivity specifications align with the intended acoustic application requirements before finalizing procurement.

Selection Notes

Select this component when an omnidirectional analog microphone with a wide operating voltage range is required. Consider the 1.62 V to 3.6 V supply capability for low-power or variable-voltage designs. Ensure the 100 Hz to 8 kHz bandwidth meets the audio fidelity needs of the application. Verify that the MEMS silicon construction supports the environmental conditions of the end product.

Part Context

This component belongs to Goertek's portfolio of high-quality acoustic components designed for intelligent manufacturing. It supports the company's focus on delivering one-stop smart wearable and hearable solutions. The device integrates with Goertek's expertise in industrial design, acoustics, and vertical integration capabilities to provide premium audio experiences for various consumer electronics.