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LMA3729T421-OA1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LMA3729T421-OA1 product

LMA3729T421-OA1

Microphones

MEMSMicrophoneOmni-directional

The LMA3729T421-OA1 is a high-performance, omni-directional MEMS microphone from LinkMems, optimized for surface-mount assembly in consumer audio applications.

Best for

  • Consumer electronics
  • Voice-activated devices
  • Portable audio

Avoid if

  • Applications requiring extreme mechanical shock resistance beyond standard MEMS limits

Check before use

  • Reflow temperature profile
  • Acoustic port clearance

Key specifications

Sensitivity
-42 dB
SNR
58 dB(A)
Supply Voltage
1.6V - 3.6V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
Class 1
ECCN
-
HTSUS
-

Application

Consumer ElectronicsSensor

Datasheet

6eb620051b1439e66a3d8c19eb39713b_2406041746_LinkMems-LMA3729T421-OA1_C5373235.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LMA3729T421-OA1: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is an omni-directional MEMS microphone with integrated pre-amplification, designed for high-sensitivity audio capture.