16-Bit I2C ADS1115 ADC Module - 4-Ch Analog to Digital Converter

Unlock precise analog-to-digital conversion with the 16-bit ADS1115 I2C ADC Module. Featuring 4 channels and a built-in Programmable Gain Amplifier (PGA), this compact module is ideal for a wide range of electronics projects and applications requiring high accuracy.

Detailed Product Description:

The ADS1115 is a versatile and high-resolution 16-bit analog-to-digital converter (ADC) module designed for robust performance in various measurement tasks. Communicating via the widely used I2C interface, it offers seamless integration with microcontrollers like Arduino, Raspberry Pi, and ESP32.

Key Specifications & Features:

• High Resolution: True 16-Bit ADC for superior accuracy in your measurements.
• Flexible Channels: Configure as 4 single-ended input channels (AN0, AN1, AN2, AN3) or 2 differential inputs, providing versatility for different sensor setups.
• Wide Input Voltage Range: Operates with a supply voltage (VDD) from 2.0V to 5.5V, making it compatible with common development boards.
• Programmable Gain Amplifier (PGA): Built-in PGA allows for seven programmable input ranges:
  • $\pm 0.256\text{V}$
  • $\pm 0.512\text{V}$
  • $\pm 1.024\text{V}$
  • $\pm 2.048\text{V}$
  • $\pm 4.096\text{V}$
  • $\pm 6.144\text{V}$ This feature is crucial for accurately reading various sensor outputs, from small millivolt signals to larger voltage inputs.
• Adjustable Data Rate: Choose from 8 samples per second (sps) up to 860 sps to balance resolution and speed for your application.
• Power Efficient Modes:
  • Continuous Conversion Mode: Consumes only $150\mu \text{A}$ for ongoing measurements.
  • Single-Shot Mode: Automatically shuts down after conversion, reducing power consumption significantly for intermittent readings.
• Configurable I2C Address: Features 7-bit I2C addresses (0x48 to 0x4B), allowing multiple ADS1115 modules on the same I2C bus.
• Compact Size: At just $18\text{mm}\times 28\text{mm}$, it's perfect for space-constrained projects.

Ideal Applications:

The ADS1115 ADC module is an excellent choice for:

• Portable Instrumentation: Build accurate, handheld measurement devices.
• Consumer Goods: Integrate precision sensing into smart devices.
• Battery Monitoring: Precisely monitor battery voltage levels.
• Temperature Measurement: Connect various analog temperature sensors for accurate readings.
• Factory Automation and Process Controls: Essential for industrial sensing and control systems.
• DIY Electronics & Prototyping: A must-have for Arduino, Raspberry Pi, ESP32, and other microcontroller projects.