7Semi AS7343 14-Channel Spectral Sensor Breakout

The 7Semi AS7343 14-Channel Spectral Sensor Breakout is a compact, high-performance multi-channel spectral sensor module designed for precise color and light measurement applications. Based on the ams OSRAM AS7343 IC, this sensor features 14 spectral channels covering the visible (VIS) and near-infrared (NIR) spectrum, allowing accurate analysis of light composition, color matching, and material identification. It communicates through an I²C interface and includes an integrated analog-to-digital converter, programmable gain, and configurable integration times, making it ideal for color sensing, ambient light detection, and spectral analysis in IoT and industrial devices.

Technical Specifications:

• Sensor IC: AMS OSRAM AS7343
  
• Spectral Channels: 14 (13 discrete spectral + 1 clear channel)
  
• Spectral Range: ~350 nm to 1000 nm (VIS + NIR)
  
• ADC Resolution: 16-bit
  
• Interface: I²C (up to 1 MHz fast mode)
  
• Supply Voltage: 2.7 V to 3.6 V (typical 3.3 V)
  
• Logic Voltage: 1.8 V to 3.3 V compatible
  
• Programmable Gain: 1× to 512×
  
• Integration Time: Configurable from 2.78 ms to 2.8 s
  
• Operating Current: ~150 µA (active mode)
  
• Power Modes: Active, standby, and low-power
  
• IR and UV Channel Support: Included for extended spectrum analysis
  
• Light Source: Compatible with external illumination (white or IR LEDs)
  
• Operating Temperature: -30°C to +85°C
  
• PCB: High-quality FR-4 board with 2.54 mm header pins
  

Features:

• 14-channel spectral sensing for high-accuracy color and light analysis
  
• Wide spectral range covering visible and near-infrared wavelengths
  
• Integrated 16-bit ADC with programmable gain and integration control
  
• I²C digital communication for easy integration with microcontrollers
  
• Configurable measurement parameters for precision and flexibility
  
• Compact, low-power design suitable for portable and IoT applications
  
• Onboard clear channel for overall brightness measurement
  
• High signal-to-noise ratio and low power consumption
  
• Supports calibration and external light source control
  
• Compatible with Arduino, ESP32, STM32, and Raspberry Pi platforms

Applications:

• Color recognition and quality control systems
  
• Ambient light and color temperature sensing
  
• Spectral analysis in industrial and agricultural applications
  
• IoT-based environmental and lighting control systems
  
• Material and surface identification
  
• Smart lighting and color tuning applications
  
• Food freshness and quality inspection systems
  
• Research, education, and optical sensing experiments
  
• Medical, biomedical, and cosmetic color sensing instruments