AT6538

$1.96

Description：OMNI-DIRECTIONAL MICROPHONE WITH
Series：*
Mfr：Analog Technologies, Inc.
Package：Retail Package

SKU:af94b70939a8 Category: Microphones Brand: Analog Technologies, Inc.

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Product introduction

Product Detailed Parameters

Description：OMNI-DIRECTIONAL MICROPHONE WITH
Series：*
Mfr：Analog Technologies, Inc.
Package：Retail Package
Type：-
Output Type：-
Direction：-
Frequency Range：-
Sensitivity：-
S/N Ratio：-
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Voltage - Rated：-

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AT6538

Overview

The AT6538 is a high-performance, low-power digital-output top-ported omni-directional MEMS microphone. It integrates a MEMS microphone element with an analog-to-digital converter to provide a digital audio signal. The device operates within a voltage range of 1.6 V to 3.6 V and features a frequency response from 20 Hz to 20 kHz. It delivers a sensitivity of -26 dB ±1 dB at 94 dB SPL and offers a Signal-to-Noise Ratio (SNR) of 63 dB(A). The component utilizes solder pads for mounting.

Feature Summary

Integrates a MEMS microphone element with an analog-to-digital converter for direct digital output
Provides high SNR and flat wideband frequency response
Features top-ported design for omnidirectional sound capture

Applications

Voice recognition systems
Consumer electronics audio input
IoT devices requiring digital audio interface

Procurement Notes

Verify the manufacturer designation carefully, as Analog Technologies, Inc. is distinct from Analog Devices Inc. Confirm the specific package type and pin configuration against the official datasheet before integration. Ensure supply chain sources are authorized distributors to guarantee component authenticity and quality standards.

Selection Notes

Select this component when a digital output interface is required to simplify system architecture by eliminating external ADCs. Consider the 63 dB(A) SNR and 20 Hz to 20 kHz bandwidth for applications demanding high-fidelity voice capture. Evaluate the 1.6 V to 3.6 V operating range for compatibility with low-voltage digital logic interfaces in portable or battery-powered designs.

Part Context

The AT6538 belongs to the category of MEMS microphones manufactured by Analog Technologies, Inc., an engineering-focused company established in 1997. This component represents their solution for providing practical analog electronic solutions, specifically targeting digital audio acquisition needs in modern embedded systems.