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

AS73211 - True Color Sensor IC

True Color Sensor IC with I²C interface for relative and absolute color measurement


I²C interface for relative and color measurement and control. The combination of True Color XYZ sensitized photodiodes with a filter function based on the standard CIE 1931/DIN 5033  (human eye perception) and used interference filter  technology as leading and most accurate technology of  three-range sensors makes the AS73211 more accurate than RGB sensors and guarantee this function without spectral changings over lifetime. The AS73211 is designed with a high dynamic range to measure any light in the visible range (VIS) in environments from sunlight to dark rooms, dimmed LEDs, or dark colored monitors.


Key Features

  • Highest dynamic range on the market: 250M:1 (16…24 Bit ADC)
  • Highest sensitivity on market: up to 2.1m counts/(µW/cm²)
  • Smallest LSB 0.5 pW/cm²
  • Low power operation, Power on Reset, Power down and standby
  • Synchronization via external devices possible
  • Small package QFN 16

Key Benefits

  • JENCOLOR® interference filter technology
  • Based on CIE 1931/DIN 5033
  • No aging/drifts of the filter
  • Temperature sensor on chip
  • Temperature range -40°C up to 125°C

Product Facts

Supply Voltage [V] 2.7 - 3.6
Interface I²C
Color Sensor Channels XYZ
IR Blocking Filter no
Programmable Gain, Integration time, Interrupt, 16bit output via shifter
Temperature Range [°C] -40 to +125
Packages QFN16

Additional Information

  • LED lighting control management for solid-state lighting applications (SSL)
  • LED spotlights
  • Cabin lighting, daylight management / Human and Color Centric Lighting (HCL and CCL)
  • Ambient light color detection / correction
  • OLED display control
  • OLED display aging compensation and dynamic display color balancing
  • Portable light color measurement
  • Digital light projection (DLP)
  • Printer, PDA, tablet PCs, LED-TVs, digital picture frames, digital cameras color enhancement
  • Watermonitoring