ADS1115 16-Bit ADC 4-Channel with Programmable Gain Amplifier
📝 Overview
The ADS1115 16-Bit Analog-to-Digital Converter (ADC) is a high-resolution module designed to convert analog signals into digital values for microcontrollers and embedded systems. It features four single-ended input channels, two differential input options, and a built-in Programmable Gain Amplifier (PGA), making it suitable for accurately measuring small analog signals. The module communicates through the I2C interface for easy integration into electronic measurement and data acquisition projects.
⚙️ Key Features
16-bit analog-to-digital conversion
Four single-ended analog input channels
Supports two differential input configurations
Built-in Programmable Gain Amplifier (PGA)
I2C communication interface
Selectable data rates up to 860 samples per second
Internal voltage reference and oscillator
Compact design for electronic measurement applications
📦 Technical Specifications
Parameter
Value
ADC IC
ADS1115
Resolution
16-bit
Number of Channels
4 Single-Ended / 2 Differential
Communication Interface
I2C
Operating Voltage (IC)
2.0V – 5.5V
Programmable Gain
±6.144V to ±0.256V full-scale ranges
Data Rate
8 – 860 Samples per Second
I2C Address
Selectable, typically 0x48–0x4B
Package Type
Module
ADC Architecture
Delta-Sigma
