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Small green rectangular circuit board with surface-mount chip and header pins

Adafruit

Adafruit ADS1015 12-Bit ADC 4-Channel PGA Breakout

SKU CH-8Y62-VWY8D

A 12-bit ADC offering 3300 samples per second over I2C with a programmable gain amplifier up to 16x and four selectable addresses

  • TypeEngineering Development Tools
  • 12-bit precision at 3300 samples per second over I2C
  • Breakout board includes ferrites for quiet AVDD and AGND
  • Configurable as 4 single-ended or 2 differential input channels
  • Up to 4 devices on one I2C bus for 16 single-ended inputs
  • Programmable gain amplifier up to 16x boosts small signals

12-Bit 4-Channel ADC Breakout

The Adafruit ADS1015 is a 12-bit analog-to-digital converter with four input channels and a programmable gain amplifier. It communicates over I2C at up to 3300 samples per second. The breakout board includes ferrites for quiet power rails. It operates from 2 V to 5 V logic levels.

Engineers and makers needing extra ADC channels

This board suits microcontrollers that lack a built-in ADC or projects requiring higher resolution than on-chip converters. It is not for applications needing more than 12-bit resolution or sample rates above 3300 per second. Buyers who need more than sixteen total channels should look elsewhere.

Four selectable I2C addresses for multi-board

The address pins allow up to four ADS1015 devices on one two-wire bus, giving sixteen single-ended inputs. This addressing scheme is the key specification that determines whether the board fits a given I2C layout.

Pontos fortes

  • 12-bit precision at 3300 samples per second over I2C
  • Breakout board includes ferrites for quiet AVDD and AGND
  • Configurable as 4 single-ended or 2 differential input channels
  • Up to 4 devices on one I2C bus for 16 single-ended inputs
  • Programmable gain amplifier up to 16x boosts small signals

Especificações

TypeEngineering Development Tools

Perguntas sobre este artigo

How many samples per second can the ADS1015 sustain over I2C before the rate limits further measurements?

The converter provides 12-bit precision at 3300 samples per second over I2C, so sustained sampling is capped at that rate.

What thermal or audible output should I expect when the breakout runs continuously from a 2 V to 5 V supply?

The board draws very little current and has no active cooling, so it runs silently with negligible heat rise during all-day operation.

Which microcontroller pins and voltage level must I already have available to communicate with this ADC?

You need an I2C bus with two wires (SDA and SCL) and logic compatible with 2 V to 5 V to match the ADS1015 supply range.

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