TDK InvenSense

ICS-40740 MEMS Microphone

TDK InvenSense's ICS-40740 MEMS microphone is an excellent choice for microphone arrays and far-field voice control applications

Image of TDK InvenSense’s ICS-40740 MEMS Microphone TDK InvenSense's ICS-40740 is an ultra-low noise, high dynamic range, differential analog output, bottom-ported MEMS microphone. It includes a MEMS microphone element, an impedance converter, a differential output amplifier, and an enhanced RF package. The ICS-40740's 70 dB SNR and ±1 dB sensitivity tolerance make it an excellent choice for microphone arrays and far-field voice control applications. It features a linear response up to 132.5 dB SPL with a differential output sensitivity specification of -37.5 dBV in a small 4.00 mm x 3.00 mm x 1.20 mm surface-mount package.

Features
  • Ultra-high 70 dBA SNR
  • -37.5 dBV sensitivity
  • ±1 dB sensitivity tolerance
  • Small 4 mm x 3 mm x 1.2 mm surface-mount package
  • Extended frequency response from 80 Hz to 20 kHz
  • 165 μA current consumption
  • 132.5 dB SPL acoustic overload point
  • -87 dBV PSR
  • Compatible with Sn/Pb and Pb-free solder processes
  • RoHS/WEEE compliant
Applications
  • Tablet computers
  • Teleconferencing systems
  • Digital still and video cameras
  • Communication headsets
  • Security and surveillance
  • Microphone arrays
  • Voice control and activation

ICS-40740 MEMS Microphone

ImageManufacturer Part NumberDescriptionDirectionFrequency RangeSensitivityAvailable QuantityPriceView Details
MIC MEMS ANALOG OMNI -37.5DBICS-40740MIC MEMS ANALOG OMNI -37.5DBOmnidirectional77 Hz ~ 20 kHz-37.5dB ±1dB @ 94dB SPL0 - Immediate$29.47View Details

Evaluation Board

ImageManufacturer Part NumberDescriptionFunctionEmbeddedPrimary AttributesAvailable QuantityPriceView Details
EVAL BOARD FOR ICS-40740EV_ICS-40740-FXEVAL BOARD FOR ICS-40740MEMS Omnidirectional Microphones--0 - ImmediateSee Page for PricingView Details
Published: 2019-10-23

Related Articles and Blogs

How MEMS Microphones Aid Sound Detection and Keyword Recognition in Voice-Activated Designs Use MEMS microphones with low SNR, high sensitivity, and fast startup times to meet VUI design requirements for devices from smart speakers to earbuds.