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      Raspberry Pi High-Precision AD/DA Board

      Raspberry Pi High-Precision AD/DA Board

      SKU 114990831
      $26.99$29.99
      2 Available
      ADD TO CART

      Description

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      There's no AD/DA function on the Raspberry Pi GPIO interface, this may trouble you in the Pi development. However, it won't be a problem anymore. The High-Precision AD/DA Board allows you to add high-precision AD/DA functions to the Raspberry Pi.

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      Raspberry Pi 1 Model A+

      Raspberry Pi 1 Model B+

      Raspberry Pi 2 Model B

      Raspberry Pi 3 Model B

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      • Onboard ADS1256, 8ch 24bit high-precision ADC (4ch differential input), 30ksps sampling rate

      • Onboard DAC8532, 2ch 16bit high-precision DAC

      • Onboard input interface via pinheaders, for connecting analog signal, the pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules

      • Onboard input/output interface via screw terminals, for connecting analog/digital signal

      • Features AD/DA detect circuit, easy for signal demonstration

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      High-Precision-AD-DA-Board-intro.jpg

      1.Raspberry Pi GPIO interface: for connecting with the Pi

      2.AD/DA input/output: screw terminals

      3.AD input: pinheaders, the pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules

      4.7.68M crystal

      5.LM285-2.5: provides reference voltage for the ADC chip

      6.Photo resistor

      7.LED output indicator

      8.10K potentiometer

      9.DAC8532: 16bit high-precision DAC, 2ch

      10.Power indicator

      11.ADS1256: 24bit high-precision ADC, 8ch (4ch differential input)

      12.ADC testing jumper

      13.DAC testing jumper

      14.Power selection jumper

      15.ADC reference ground configuration: when AD single inputted, the AINCOM is reference terminal, can be connected to GND or external reference voltage

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      SymbolPinDescription
      3.3V1, 17Power supply (3.3V)
      5V2, 4Power supply (5V)
      NC3, 5, 7, 8, 10, 18, 22, 24, 26, 27, 28, 29, 32, 36, 38, 40NC
      GND6, 9, 14, 20, 25, 30, 34, 39Ground
      DRDY11ADS1256 data ready output, low active
      RESET12ADS1256 reset input
      PDWN13ADS1256 sync/power off input, low active
      CS015

      ADS1256 chip select, low active

      CS116

      DAC8532 chip select, low active

      DIN19SPI data input
      DOUT21SPI data output
      SCK23SPI clock
      GPIO31, 33, 35, 37extend to sensor interface

      dimensions.jpg

      High-Precision-AD-DA-Board-size.jpg

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      Raspberry Pi High-Precision AD/DA Board*1


      Technical Details

      Dimensions110mm x 80mm x 30mm
      WeightG.W 37g    
      BatteryExclude

      Reviews

      Questions and Answers

      SUBMIT
      1
      What is the analog input voltage range?
      on Nov 25,2016
      Replyupvote ()
      I would also like to know this.
      on Sep 09,2017 03:13 AM
      Replyupvote ()
      Reply

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        Raspberry Pi High-Precision AD/DA Board

        SKU 114990831
        $26.99$29.99
        2 Available
        ADD TO CART
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