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FoBE Breakout ADS1115

A 16-Bit ADC with 4 Channels.​


FoBE Breakout ADS1115 Main


Introduction​

The FoBE Breakout ADS1115 integrates the TI ADS1115 16-bit ADC with programmable gain amplifier and the EEPROM for calibration data storage. The module provides multiple measurement capabilities including 0-10V voltage measurement, 4-20mA current measurement, and NTC temperature measurement with built-in 2.5V reference. Multiple connectivity options are provided for easy integration into various applications.

Applications​

  • Portable instrumentation and measurement systems
  • Battery monitoring and power management
  • Temperature sensing and monitoring
  • Factory automation and process controls

Key Features​

ADS1115

  • 16-bit high resolution analog-to-digital conversion
  • 4 single-ended inputs or 2 differential inputs
  • Programmable data rate: 8 SPS to 860 SPS
  • Internal programmable gain amplifier (PGA): up to x16
  • Internal low-drift voltage reference and oscillator
  • I²C interface with programmable address
  • Interrupt/ready pin for conversion completion

M24C64 EEPROM

  • 64Kbit (8KB) data storage capacity
  • I²C interface with programmable address
  • Calibration data storage capability

Built-in Reference

  • 2.5V precision voltage reference
  • NTC measurement and ADC calibration support

Connectivity

  • Dual 4-Pin JST SH1.0 Connectors (IIC)
  • 6-Pin 2.54mm Header Holes

Measure Channels​

ChannelMeasurement TypeDescription
04-20mA currentMeasured via 120Ω shunt resistor to ground
10-10V voltageMeasured through voltage divider (10kΩ/39kΩ)
2NTC temperatureMeasured via voltage divider with 100kΩ resistor and 2.5V reference
3ADC calibrationConnected to internal 2.5V voltage reference

Packing List​

PartQuantity
FoBE Breakout ADS1115 board1
JST SH1.0 4-Pin IIC Cable2