Selected Device: TSL230RD  Features

TSL230RD The TSL230RD programmable light-to-frequency converter combines a configurable silicon photodiode and a current-to-frequency converter on a single monolithic CMOS integrated circuit. The output can be either a pulse train or a square wave (50% duty cycle) with frequency directly proportional to light intensity. The sensitivity of the device is selectable in three ranges, providing two decades of adjustment.The full-scale output frequency can be scaled by one of four preset values. All inputs and the output are TTL compatible, allowing direct two-way communication with a microcontroller for programming and output interface. An output enable (OE) is provided that places the output in the high-impedance state for multiple-unit sharing of a microcontroller input line.

  • High-Resolution Conversion of Light Intensity to Frequency With No External Components
  • Programmable Sensitivity and Full-Scale Output Frequency
  • Communicates Directly With a Microcontroller
  • Absolute Output Frequency Tolerance of +/- 5%
  • Nonlinearity Error (Typically 0.2% at 100kHz)
  • Low-Profile Surface Mount Package
  • RoHS Compliant