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KNOWLES ACOUSTICS  SPM0423HD4H-WB-2  SMD MICROPHONE, -26dB, OMNI, 3.25MHZ

KNOWLES ACOUSTICS SPM0423HD4H-WB-2

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Product Overview

The SPM0423HD4H-WB-2 is a miniature top port Digital SiSonic™ Microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPM0423HD4H-WB consists of an acoustic sensor, a low noise input buffer and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders and other portable electronic devices where excellent wideband audio performance and RF immunity are required.
  • High performance
  • Low power
  • PDM output
  • Supports dual multiplexed channels
  • Ultra-stable performance
  • Standard SMD reflow
  • Omnidirectional

Applications

Sensing & Instrumentation; Consumer Electronics; Computers & Computer Peripherals; Imaging, Video & Vision; Multimedia; RF Communications; Audio

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Product Information

Transducer Function:
Microphone
Directivity:
Omnidirectional
Frequency Response Min:
-
Frequency Response Max:
-
Supply Voltage Min:
1.6V
Supply Voltage Max:
3.6V
Sensitivity (dB):
-26dB
Drain Current Max:
600µA
Output Impedance:
-
Product Range:
-
External Width:
3.76 mm
External Height:
1.25 mm
SVHC:
To Be Advised
External Depth:
4.72 mm

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Applications

  • Sensing & Instrumentation;
  • Consumer Electronics;
  • Computers & Computer Peripherals;
  • Imaging, Video & Vision;
  • Multimedia;
  • RF Communications;
  • Audio

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