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Evaluation Module Texas Instruments OPT3001EVM

Main Features of Kit or Board
Base componentTexas Instruments
Board peripherals
  • I/O pins
  • I2C interface
  • USB
  • light sensor

ManufacturerTexas Instruments
Part NumberOPT3001EVM

OPT3001EVM - OPT3001 Ambient Light Sensor Evaluation Board


Detailed Description

The OPT3001 is an ambient light sensor (ALS) with a digital output integrated circuit.  It uses a two-wire interface that works with the I2C protocol making it ideal for many applications.  The OPT3001EVM is a platform for evaluating the performance of the OPT3001 under various conditions.  The OPT3001EVM consists of two PCBs  The first is the SM-USB-DIG board that communicates with the computer, provides power and send and receives appropriate digital signals.  The second is the OPT3001 test board, which contains the OPT3001 and it’s support circuitry.

Evaluation Module Texas Instruments OPT3001EVM

The OPT3001 is an ideal sensing device for measuring ambient light. Measurements can be made from 0.01 lux up to 83k lux without selecting full-scale ranges by using the built-in, full-scale setting feature. This capability allows light measurement over a 23-bit effective dynamic range.

The spectral response of the ambient light sensor is tightly matched to the photopic response of the human eye and has significant infrared rejection. This tightly matched response offers accurate lux readings of different spectral sources, even under dark glass.


  • Small Form Factor
  • USB Hardware Interface
  • Intuitive GUI Software
  • Protective Plastic Case
  • 100mil spaced test points for easy experimentation with external controllers
  • OPT3001 Features
    • Great Human Eye Matching: 99% IR Rejection
    • Automatic Full-Scale Setting Feature Simplifies Software and Ensures Proper Configuration
    • Measurements: 0.01 lux to 83k lux
    • 23-Bit Effective Dynamic Range with Automatic Gain Ranging
    • 12 Binary-Weighted Full-Scale Range Settings:
    • < 0.3% (typ) Matching Between Ranges
    • Low Operating Current: 2 µA (typ)
    • Operating Temperature Range: –40°C to 85°C
    • Wide Power-Supply Range: 1.6 V to 3.6 V
    • 5.5-V Tolerant I/O
    • Flexible Interrupt System
    • Small-Form Factor: 2.0 mm × 2.0 mm × 0.65 mm

OPT3001EVM Kit Contents

  1. OPT3001 test board
  2. SM-USB-DIG board
  3. USB extension cable
  4. CR-ROM with OPT3001EVM software

OPT3001EVM User Guide and Schematic Diagram

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