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LMA3729B381-OA1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LMA3729B381-OA1 product

LMA3729B381-OA1

Microphones

MEMSMicrophoneOmni-directional

The LMA3729B381-OA1 is a high-performance, omni-directional MEMS microphone suitable for compact audio applications requiring high SNR and low power consumption.

Best for

  • Consumer audio devices
  • Smart headsets
  • Portable electronics

Avoid if

  • Applications requiring extreme mechanical shock resistance beyond specified limits

Check before use

  • Reflow temperature profile
  • Acoustic port clearance

Key specifications

Sensitivity
-38 dB
SNR
62.5 dB(A)
Operating Voltage
1.6 V - 3.6 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
Class 1
ECCN
-
HTSUS
-

Application

Consumer Electronics

Datasheet

deacc74fed486bdc024308e9b817efb8_2406041745_LinkMems-LMA3729B381-OA1_C5373234.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LMA3729B381-OA1: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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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
Verified KiCad 8 symbol, footprint, and 3D model
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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 an integrated pre-amplification ASIC, designed for surface-mount assembly.