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T4078

Analog, Omnidirectional MEMS Microphone with Internal Pre-Amplifier

The T4078 is an analog MEMS microphone with very high dynamic range and a low-power AlwaysOn mode. The T4078 includes a MEMS microphone element, an impedance converter, and an output amplifier.

This microphone features a low-power mode, which is active when the supply voltage is <1.9V. In this mode, the T4078 operates with max. 85 μA

Other specifications in high performance mode include 135 dB SPL acoustic overload point, tight ±1 dB sensitivity tolerance and 66 dB(A) SNR.

The T4078 is available in a very small 3.35 × 2.5 × 0.98 mm bottom port surface-mount package.

MPN: MMICT4078-00-908

T4078

NOT RECOMMENDED FOR NEW DESIGNS


Featured Markets

  • Smartphones
  • “AlwaysOn” listening
  • Wearable devices
  • Still and video cameras
  • IoT devices

Product Details

ProductPackage
Size
OutputPort
Location

SNR
(dBA)
AOP
(dB SPL)
Sensitivity
(dbfs)
LF Cutoff
(Hz)
Status
Purchase

T4078
3.35 × 2.5 × 0.98AnalogBottom66135n/aNR/ND

Features & Benefits

  • Analog output
  • −38 dBV sensitivity
  • ±1 dB sensitivity tolerance
  • 90 dB PSRR
  • 3.35 × 2.5 × 0.98 mm surface-mount package
  • Compatible with Sn/Pb and Pb-free solder processes
  • RoHS compliant

Documentation & Resources

Datasheet / Product BriefVersionUpdatedDownload
T4078 Datasheet62019-09-04Datasheet

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