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TSL237

Features: `High-Resolution Conversion of Light Intensity to Frequency With No External Components` High Irradiance Responsivity . . . 2.3 kHz/(W/cm2) at p = 524 nm` Low Dark Frequency . . . < 2 Hz at 50` Single-Supply Operation . . . 2.7 V to 5.5 V` Stable 200 ppm/Temperature Coefficient` Inter...

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SeekIC No. : 004529543 Detail

TSL237: Features: `High-Resolution Conversion of Light Intensity to Frequency With No External Components` High Irradiance Responsivity . . . 2.3 kHz/(W/cm2) at p = 524 nm` Low Dark Frequency . . . < 2 H...

TSL237 Data Sheet

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Part Number:
TSL237
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

`High-Resolution Conversion of Light Intensity to Frequency With No External Components
` High Irradiance Responsivity . . . 2.3 kHz/(W/cm2) at p = 524 nm
` Low Dark Frequency . . . < 2 Hz at 50
` Single-Supply Operation . . . 2.7 V to 5.5 V
` Stable 200 ppm/Temperature Coefficient
` Interfaces Directly to a Microcontroller
` RoHS Compliant (−LF Package Only)


Pinout

Connection Diagram


Specifications

Supply voltage, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Operating free-air temperature range, TA . . . . .  . . . . . −25 to 85
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . −40 to 85
Lead temperature 1,6 mm (1/16 inch)
from case for 10 seconds (S Package) . . . . . . . . . . . . . .. . . . . . 260
Reflow solder, in accordance with
J-STD-020C or J-STD-020D (SM Package) . . . . . . . .  . . . . . . . . . 260
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to GND.


Description

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 output allows direct interface to a microcontroller or other logic circuitry. The device has been temperature compensated for the ultraviolet-to-visible light range of 320 nm to 700 nm and responds over the light range of 320 nm to 1050 nm. The TSL237 is characterized for operation over the temperature range of −25 to 70 and is supplied in a 3-lead clear plastic side-looker package with an integral lens. When supplied in the lead (Pb) free package, the device is RoHS compliant.

For automotive and other extended temperature applications, please contact TAOS for information.




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