T3902
production

T3902

Bottom Port PDM Low-Power Multi-Mode Microphone with High-AOP Mode
Buy Now

Features

  • 3.5 × 2.65 × 0.98 mm surface‐mount package
  • Low power: 185 μA in Low‐Power Mode
  • Extended frequency response from 36 Hz to >20 kHz
  • Sleep Mode: 12 μA
  • High power supply rejection (PSR): −97 dB FS
  • Fourth‐order Σ‐Δ modulator
  • Digital pulse density modulation (PDM) output
  • Compatible with Sn/Pb and Pb‐free solder processes
  • RoHS/WEEE compliant

Product Features and Benefits

  • Smartphones
  • Microphone Arrays
  • Tablets
  • Cameras
  • Bluetooth Headsets
  • Notebook PCs
  • Security and Surveillance

Target market & applications

TV Remotes, Smart TV, Set-top Box, Wearables, IP Cameras, Smartphones, Microphone Arrays, Tablets, Cameras, Bluetooth Headsets, Notebook PCs, Security and Surveillance

Key attribute

Low Power, Low Cost, Low Noise, Multi-Mode PDM Microphone

Product details

Product key details

Operation
-
-
Package Size
0.98 x 3.50 x 2.65
Output Type
-
-
Port Location
bottom
-
Snr
64.00
-
Aop
126.00
-
Sensitivity (1 KHz, 94 DB SPL)
-
-
Sensitivity DB FS ±1 DB
-32.00
-
Lf Cutoff
36
-
Status
production
production

Development hardware

EV_T5837-FX2

EV_T3902‍‐FX

Documentation and resources

Explore our complete library of technical resources, easily filtered by application or product.

Datasheet / Product Brief

DS-000357 – T3902 Datasheet
Version1.0
Updated2020-04-14
Download

App Notes & User Guides

AN-0078 – High-Performance Digital MEMS Microphone Simple Interface to SigmaDSP Audio Codec
Version1.0
Updated2014-02-22
Download
AN-000048 – PDM Digital Output MEMS Microphone Flex Evaluation Board User Guide
Version1.2
Updated2020-06-01
Download

Support and resources

Find answers, documentation, and community support you need

Icon depicting three people standing together

TDK community

Connect with engineers, ask questions, and share insights with the TDK developer community.

Icon depicting a graduation cap with tassle

Knowledge base

Access technical articles, datasheets, and in-depth guides to accelerate your design process.

Icon with the letters "FAQ" inside a diamond shape

FAQ

Find immediate answers to our most frequently asked questions about products, shipping, and more.

Looking for additional help?