LIGHT-TO-FREQUENCY CONVERTER

The TSL220 consists of a large-area Photodiode and a current-to-frequency converter. The output voltage is a pulse train and its frequency is directly proportional to the light intensity (irradiance) on the Photodiode The output is CMOS compatible and its frequency may be measured using pulse counting, period Timing or integration techniques. The TSL220 is ideal for light-sensing applications requiring wide dynamic range, high sensitivity, and high noise immunity. The output frequency range is determined by an external capacitor; hence, the desired output frequency is adjustable for a given light intensity at the input. The TSL220 is characterized for operation over the temperature range of 25C to 70C By Texas Instruments
TSL220 's PackagesTSL220 's pdf datasheet



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TSL220 Application circuits
TSL220 circuits
This is one application circuit of TSL220,If you need more circuits,please download TSL220's pdf datasheet.


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