ADS1115 16-Bit ADC- 4 Channel with Programmable Gain Amplifier

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16 Bit I2C ADS 1115 4 channel ADC Module with Pro Gain Amplifier

ADS1115 16-Bit ADC – 4 Channel with Programmable Gain Amplifier is mostly used for microcontroller projects which need an analog-to-digital converter or when you want a higher-precision ADC. ADS1115 16-Bit ADC- provides 16-bit precision at 860 samples/second over I2C. The chip can be configured as 4 single-end input channels or two differential channels.

Additionally, ADC also includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range. We like this ADC because it can run from 2V to 5V power/logic, can measure a large range of signals and it’s super easy to use. It is a great general-purpose 16-bit converter.

The ADS1115 chip is fairly small so it comes on a breakout board with ferrites to keep the AVDD and AGND quiet. Interfacing is done via I2C. The address can be changed to one of four options (see the datasheet table 5) so you can have up to 4 ADS1115s connect on a single 2-wire I2C bus for 16 single-end inputs.

To get you started, we have an example code for Arduino in our ADS1X15 Arduino library repositorySimply connect GND to the ground, VDD to your logic power supply, and SCL/SDA to your microcontroller’s I2C port and run the example code to start reading data.


Operating Voltage (VDC)

2 ~ 5.5

PCB Size ( L x W ) mm

28 x 16

Weight (gm)


Shipment Weight

0.005 kg

Shipment Dimensions

9 × 8 × 5 cm

Features : 

  1. WIDE SUPPLY RANGE: 2.0V to 5.5V
  3. It has an Internal low-drift voltage reference
  4. Internal Oscillator.
  5. Internal PGA.
  6. I2C INTERFACE: Pin-Selectable Addresses.
  7. Four single ends Or Two differential inputs.
  8. Programmable Comparator.
  9. This board/chip uses I2C 7-bit addresses between 0x48-0x4B, selectable with jumpers
  10. LOW CURRENT CONSUMPTION: Continuous Mode: Only 150µA Single-Shot Mode: Auto Shut-Down

Package Includes :

1 x ADS1115 16-Bit ADC – 4 Channel with Programmable Gain Amplifier

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