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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.

Přednosti

  • 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

Specifikace

TypeEngineering Development Tools

Otázky k tomuto produktu

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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