SparkFun
Analog to Digital Converter - MCP3002
The MCP3002 is a 10-bit analog-to-digital converter (ADC) with a simple SPI interface, available in a breadboard-friendly 8-pin DIP package. Use it to add an...
The MCP3002 is a 10-bit analog-to-digital converter (ADC) with a simple SPI interface, available in a breadboard-friendly 8-pin DIP package. Use it to add analog input capability to microcontrollers that lack an ADC, or to expand the number of available analog channels on your project.
Key Features
- 10-Bit Resolution – 1024 discrete levels for precise analog measurement
- SPI Interface – Simple 3-wire communication with any microcontroller
- 2 Input Channels – Read two analog signals independently
- Wide Supply Range – 2.7V to 5.5V operation
- High Sample Rate – Up to 75,000 samples per second
- Low Power Shutdown – Power-saving mode when not in use
- DIP Package – 8-pin DIP, breadboard and perfboard friendly
Specifications
- IC – Microchip MCP3002
- Resolution – 10-bit
- Channels – 2
- Interface – SPI (3-wire)
- Supply Voltage – 2.7V to 5.5V
- Sample Rate – Up to 75 ksps
- Package – 8-pin DIP
Ideal For
- Adding ADC capability to digital-only microcontrollers
- Expanding analog inputs on Arduino or Raspberry Pi
- Sensor data acquisition projects
- Breadboard prototyping
Package Contents
- 1× MCP3002 10-Bit ADC (8-pin DIP)
Jargon buster
Plain-language definitions for the technical terms used above.
- ADC
- An analogue-to-digital converter reads a changing voltage and turns it into a number the microcontroller can use. It matters when connecting analogue sensors such as light, sound, or variable-resistor sensors.
- kSPS
- kSPS means thousands of samples per second, describing how many readings an ADC can take each second. It matters when choosing a board for fast-changing signals, because slow sensors do not need a high sample rate but audio-like or rapidly varying signals may.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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Brands
Sensors & Input
Supplier page — sparkfun.com
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