ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

TCS3103 Color Sensor

RGB light-to-voltage converter (2X and 4X gain modes)


The TCS3103 is a RGB Light-to-Voltage Converter combining three photodiodes with optical filters, amplifiers, and gain-switching circuitry on a single chip. The output of each channel is a voltage that is linearly proportional to light intensity (irradiance) on the corresponding photodiode element. Gain is switchable via a digital input pin from 2× to 4× on the TCS3103.


Not Recommended for New Designs!
ams AG is discontinuing production of this device. Final lifetime buy order must be placed by March 31, 2017. 

Key Features

  • RGB Color light-to-voltage converter
  • Internal amplifier offsets are trimmed for low dark offset voltage and uniform sensitivity from device-to-device
  • Multifunction input pin for selecting two gain modes across RGB channels
  • Area efficient 2mm x 2mm Dual Flat no-lead (FN) package

Key Benefits

  • Enables conversion of light intensity to a voltage
  • Pre-calibration eliminates need for customer to end-product calibrate   
  • Makes device less sensitive to non-uniform illumination across the 3x3 array sensing area
  • Reduces board space requirements while simplifying designs

Product Facts

Supply Voltage [V] 4.5 -5.5
Interface TCS3103
Color Sensor Channels RGB
IR Blocking Filter
Programmable Gain Only
Temperature Range [°C] -40 to 70
Packages FN Pin Count 6

Additional Information

  • RGB color-point feedback control
  • Industrial process control
  • Medical diagnostic equipment
  • Printer color adjustment