ADS1115 I2C 16Bit 4-channel ADC Module with Programmable Gain Amplifier
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ADS1115 I2C 16Bit 4-Channel ADC Module is a precision analog-to-digital converter with a programmable gain amplifier (PGA) and I2C interface. It offers high-resolution 16-bit measurements and is ideal for interfacing analog sensors, voltage monitoring, or signal acquisition in embedded systems. The module supports single-ended and differential inputs, making it versatile for multiple analog input applications.
Key Features:
- 16-Bit Resolution: Offers precise digital conversion of analog signals.
- 4-Channel Input: Supports 4 single-ended or 2 differential channels.
- Programmable Gain Amplifier: Adjustable gain up to 16x for small signal measurements.
- I2C Interface: Simple 2-wire communication with address select jumpers.
- Wide Supply Range: Operates from 2.0V to 5.5V, compatible with 3.3V and 5V systems.
Technical Specifications:
- Resolution: 16 bits
- Input Channels: 4 single-ended or 2 differential
- Input Voltage Range: ±6.144V max (depends on PGA setting)
- Sampling Rate: Up to 860 samples per second (SPS)
- Gain Options: ±6.144V, ±4.096V, ±2.048V, ±1.024V, ±0.512V, ±0.256V
- Communication Interface: I2C
- Operating Voltage: 2.0V to 5.5V
- Current Consumption: ~150μA (continuous mode)
Mechanical Specifications:
- Board Dimensions: Approx. 28mm × 17mm
- Pin Pitch: 2.54mm standard
- Header Type: Male header pins (unsoldered)
- Mounting: Breadboard and PCB friendly
Pinout and Wiring:
- VCC: Supply voltage (2.0V–5.5V)
- GND: Ground
- SCL: I2C clock
- SDA: I2C data
- ADDR: I2C address selection pin
- ALRT: Alert/Ready output pin
Datasheet and Documentation:
- Download ADS1115 Datasheet (PDF)
Applications:
- Sensor Monitoring: Interfaces analog sensors such as temperature, pressure, and light sensors.
- Battery Monitoring: Measures battery voltage levels and variations.
- Data Acquisition: Used in portable DAQ systems and signal logging.
- Industrial Control: Captures analog control signals in automation systems.
- Embedded Projects: Suitable for Raspberry Pi, Arduino, and ESP boards.
Equivalent Models:
- ADS1015: Lower resolution (12-bit) version with similar features
- PCF8591: 8-bit ADC/DAC combo for simple applications
- MCP3424: 18-bit ADC with 4 differential channels and I2C
Package Includes:
- 1 x ADS1115 I2C 16Bit 4-Channel ADC Module
Additional information
Weight | 3 g |
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