I2C ADS1115 16 Bit ADC 4 channel Module with Programmable Gain Amplifier
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

I2C ADS1115 16 Bit ADC 4 channel Module with Programmable Gain Amplifier

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  • Product SKU: KG571
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The ADS1115 is a 16-bit analog-to-digital converter (ADC)

that is commonly used in electronics and microcontroller-based projects to convert analog signals into digital data. It offers a higher resolution than typical 10-bit or 12-bit ADCs, making it suitable for applications that require more accurate analog signal measurements. The "4 Channel development board with Programmable Gain Amplifier Module" likely refers to a development board that incorporates the ADS1115 ADC along with additional features for ease of use.

Here's an overview of the key features and components of this development board:

ADS1115 ADC: The core component of the board is the ADS1115, a 16-bit analog-to-digital converter manufactured by Texas Instruments. It provides high-resolution digital conversion of analog signals and supports up to four differential or single-ended input channels.

Four Input Channels: The board typically allows you to connect up to four analog input signals, making it suitable for multi-channel data acquisition or sensor interfacing applications.

Programmable Gain Amplifier (PGA): The ADS1115 often includes a built-in programmable gain amplifier with selectable gain settings. This feature allows you to amplify or attenuate input signals to match the ADC's dynamic range.

I2C Communication: The ADS1115 communicates with a microcontroller or other host devices via the I2C (Inter-Integrated Circuit) communication protocol. This is a popular serial communication interface for connecting various components in embedded systems.

Power Supply: Typically, the development board requires a power supply voltage, usually in the range of 2.0V to 5.5V, depending on the specific ADS1115 version.

Configuration and Control: You can configure various ADC parameters, such as input channel selection, gain settings, and data rate, through software control via the I2C interface. This allows you to adapt the ADC to different measurement requirements.

GPIO Pins: Some versions of this development board may provide additional GPIO (General-Purpose Input/Output) pins for interfacing with external components or indicators.

Technical Details

  • Model : HW-ADS1115
  • Input Supply Voltage (VDC) : 2.0 ~ 5.5
  • Current Consumption (mA) : 150
  • Single-Shot Mode : Auto Shut-Down
  • Data Rate: 8 SPS to 860 SPS
  • Interface : I2C


  • Low Current Consumption
  • Pin Selected I2C Addresses
  • Four Single-Ended or Two Differential Inputs.
  • Programmable Comparator.
  • Internal Oscillator
  • Programmable Data Rate from 8 SPS to 860 SPS

Physical Attributes

  • L x W x H (mm): 28 x 17 x 2
  • Weight (gm) : 3

Integration with Arduino

Sample Code

Integration with Raspberry Pi

Sample Code

Product Video


Package Includes

  • 1 x I2C ADS1115 16 Bit ADC 4 channel Module with Programmable Gain Amplifier

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