TSL235 Series 700 nm 100 kHz 5.5 V Light-to-Frequency Converter - 3 Pin

Mfr Part#: TSL235R-LF
Mounting Method:  Through Hole
Packaging:  BULK
Std Packaging Qty:  500



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$1.68 USD (each)
10 - 299 $1.68
300+ $1.59 (Save 5%)


Qty in Stock : 3,468
Factory Stock : N/A
Factory Lead-Time: N/A
Min. Order Qty: 10
Multiple of: 1
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Product Highlight

  • Type: Light to Frequency Converter
  • Wavelength: 700 nm
  • Forward (Drive) Current: 2 mA

The TSL235R-LF is a light-to-frequency converter combines a silicon photodiode and a current-to-frequency converter on a single monolithic CMOS integrated circuit. The output is a square wave (50% duty cycle) with frequency directly proportional to light intensity. Because it is TTL compatible, the output allows direct interface to a microcontroller or other logic circuitry. The TSL235R is characterized for operation over the temperature range of -25 degrees C to 70 degrees C.


  • High-Resolution Conversion of Light Intensity to Frequency With No External Components
  • Communicates Directly With a Microcontroller
  • Single-Supply Operation
  • Compact 3-Lead Clear Plastic Package
  • Nonlinearity Error (Typically 0.2% at 100kHz)
  • Stable 150ppm/° C Temperature Coefficient
  • RoHS Compliant (-LF Package Only)

View the Complete Family of TSL23 Optical Sensors

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