Digital microphone converter
  • Digital microphone converter
  • Digital microphone converter
  • Digital microphone converter

CRY573 Digital microphone converter

The CRY573 digital microphone converter converts the digital signal of the digital microphone into the analog signal output.Supports both PDM digital interface and I2S digital interface, supports a variety of sampling rates and operating levels.

  • Freely switch mode
  • Compatible multilevel
  • Simple operation
Features
Product advantages

Product advantages

  • CRY573 supports working mode PDM signal mode and I2S signal mode (only working in one mode at the same time)

  • The sampling rate of 8khz-48khz is adjustable in CRY573 PDM mode.I2S mode and PDM mode support analog output L/R channel gain adjustable.

  • CRY573 supports USB virtual serial port, through which configuration parameters can be modified.

Technical specification
Technical specification of CRY573

Performance indicators

PDM

I2S

Background noise

(Analog channel)

A weighting~95dBV

Z weighting~92dBV

(Test frequency range 20~20kHz)

A weighting~95dBV

Z weighting~92dBV

(Test frequency range 20~20kHz)

Dynamic range

>90dB(1kHz,A weighting)

>90dB(1kHz,A weighting)

Frequency response

<±0.15dB   (20~20kHz)

<±0.15dB   (20~20kHz)

Distortion

<0.03%@1000Hz

<0.03%@1000Hz

Supported sampling frequency

8kHz, 12kHz, 16kHz, 24kHz, 

32kHz, 37.5kHz, 48kHz

48kHz

Supported level

3.3V, 3.0V,   2.8V, 2.0V, 1.8V

3.3V, 3.0V,   2.8V, 2.0V, 1.8V
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