AD5592 Snack Board

Part Numbers:

1001-ASM-1002-00 - AD5592 Snack Board without pin headers

1001-ASM-1002-01 - AD5592 Snack Board with straight pin headers



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Description: 8 Configurable IO Channels

The AD5592 Snack Board is a simple breakout board that allows the the very capable AD5592RBCPZ-1-RL7, made by Analog Device, to be used without the need to design and manufacture a custom circuit board. The AD5592 has 8 channels that can be configured as analog inputs, analog outputs, digital inputs, or digital outputs. It interfaces with a host device over a Serial Peripheral Interface (SPI) available on many development boards and single board computers such as the Raspberry Pi.


The advantage of using a Snack Board is that most of the capability of a small yet capable device can be added to a hobbyist or engineering prototype project quickly at a very low cost point compared to the alternative of designing, building, and assembling your own custom PCB just to try it out.



  • 8 configurable I/O pins as ADC / DAC / GPIO
  • 4 wire SPI interface with up to 20 MHz clock frequency.
  • 12-bit Analog to Digital Converter (ADC) up to 400k samples per second.
  • 12 bit Digital to Analog Converter (DAC)
  • Digital inputs
  • Digital outputs
  • Each pin is clearly labeled to make wiring easier
  • 3.3V or 5.0V supply compatible*
  • 5.0V reference voltage possible with 3.3V serial logic levels*


*Note: In order to use 5.0V reference voltage with 3.3V serial logic, the supply voltage pin(VDD) and voltage reference pin (Vref) must be at 5.0V and the Vlogic pin must be at 3.3V.



  • With pin headers (1001-ASM-1002-01): Straight pin headers already soldered in place for immediate use with a solderless breadboard or connecting via female jumper wires.
  • Without pin headers (1001-ASM-1002-00): No pins provided. Solder your own pins or wires as you need for your project. There are 2 rows of 8 gold plated pads each. Holes are 0.040" diameter spaced at 0.100" (2.54mm).


More Details:

  • Board dimensions are 0.8" x 0.9" x 0.062" (20.32mm x 22.86mm x 1.57mm)
  • All pads and vias are gold plated
  • Holes are 0.040" diameter spaced at 0.100" (2.54mm)
  • Every board is tested on a Raspberry Pi using an automated test program. Source for this test is available on Git Hub here.


Example Projects:

The example projects require some basic understanding of C programming. Fortunately SpazzTech has a tutorial series on C programming for the Raspberry Pi available here.


AD5592 Snack Board Automated Test Program:

The AD5592 Snack Board automated test program is the program we use to test every AD5592 Snack Board before it goes out the door. In includes example functions for each of the IO configurations. Get the source on Git Hub here.


SPI on Pi Tutorial:

This tutorial was made to focus on Serial Peripheral Interface, but it just happens to be using an AD5592 on a very early prototype of this product. Check it out on the SpazzTech YouTube channel.


Add Analog IO to a Raspberry Pi Demonstration:

To see a demonstration of how to add analog IO to a Raspberry Pi 3 check out the videos below.

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