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Description: The MCP3002 has a 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have an ADC or have enough ADC lines. A great chip when you need to add additional ADC lines.

Features:

  • 2.7V to 5.5V supply
  • 10-bit resolution
  • 8-pin DIP package
  • 3 wire SPI interface
  • Up to 75,000 samples per second
  • Low power shutdown

Documents: Datasheet

Comments 15 comments

  • You should stock a more precise version, 16 bit or something, and with an external Reference.

  • Not mentioned in review, this is a dual ADC. One IC gives you 2 analog lines

  • Are there any tutorials or examples of this in use? Specifically, I would like to achieve the maximum sampling rate on both inputs when used with an arduino. I’ve got a lot of samples to take, then compress, then send over a bluetooth connection. Think HUGE multi-touch mousepad!

  • Datasheet PDF wont load or download. Broken ?

  • Help Please. I have tried bit-banging and the SPI lib. I’ve found some code for the 3008 and tried to modify that. I’ve tried it with all diff wiring configs. Used 2 Uno’s and a Uno32 with 3 diff 3002’s. Can you post any code? I’ll even take .NET written for an ARM with good documentation.

  • will there be a BOB for this?

  • Could you use this to transmit a raw analog feed (like video, audio, resistor values) over a serial modem and (not using this one of course) have them converted back to analog.

    • You’d need a microcontroller to interface with the ADC and spit out “normal” serial data, but yeah that should work. It won’t have a high enough sampling rate to decode video, however. At least not standard composite video.

  • Could i use to say, convert the analog uadio input from an headphone socket to something usable by the arduino?


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