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4ch PDM to Digital

U 926

  • 4ch PDM to Digital

  • 4-ch PDM to Digital

    Up to 4 PDM microphones can be demodulated simultaneously

    support 1.2V/1.8V/2.5V/3.3V power supply


  • Description
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Description


Specifications

Parameters

Channels

4

Control

USB

VCC Output

1.2V / 1.8V / 2.5V / 3.3V

Clock

0.256M ~ 6.144M
Dimension  mm

96*33*140（W*H*L）

Working Temperature

-20 - 50℃


AI Channels Parameters

Audio Parameters

Sampling Rate Range

20 - 20k＜0.2dB

FIFO

1024

Data Transfer Method

DMA

Decimation Factorx64
External Trigger5V Rising Edge Trigger

AI THD+N (dBFS)

Sample Ratefs=44.1kS/s
fs=48kS/s
fs=96kS/s
Typical Value-100
-103.6-99.4
Minimum Value-100
-103.5
-99.3

PS：[1]Input Signal is a 1kHz Sine Wave at -10dBFS

        [2]Bandwidth 20Hz - 20kHz

AI THD(dBFS)

Sample Ratefs=44.1kS/s
fs=48kS/s
fs=96kS/s
Typical Value-127.7
-127.5-126.3
Minimum Value-127.0
-124.7
-125.3

PS：[1]Input Signal is a 1kHz Sine Wave at -10dBFS

        [2]Bandwidth 20Hz - 20kHz


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