Part number:
TSL237
Manufacturer:
TAOS
File Size:
553.67 KB
Description:
High-sensitivity light-to-frequency converter.
Datasheet Details
Part number:
TSL237
Manufacturer:
TAOS
File Size:
553.67 KB
Description:
High-sensitivity light-to-frequency converter.
TSL237, HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER
The TSL237 light-to-frequency converter combines a silicon photodiode and a current-to-frequency converter on a single monolithic CMOS integrated circuit.
Output is a square wave (50% duty cycle) with frequency directly proportional to light intensity (irradiance) on the photodiode.
The digital outp
Technical coantmesntAsGtill valid r r D High-Resolution Conversion of Light Intensity to Frequency With No External Components D High Irradiance Responsivity .
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2.3 kHz/(mW/cm2) at λp = 524 nm D Low Dark Frequency .
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< 2 Hz at 505 C D Single-Supply Operation .
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2.7 V to 5.5 V D Stable 200 ppm/°C Temperature Coefficient D Interfaces Directly to a Microcontroller D RoHS Compliant ( LF Package Only) TSL237 HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER TAOS052J SEPTEMBER
TSL237 Features
* ement, pulse-accumulation, or integration techniques. Frequency measurements provide the added benefit of averaging out random- or high-frequency variations (jitter) resulting from noise in the light signal. Resolution is limited mainly by available counter registers and allowable measurement time.
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