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TSL238

Features: ` High-Resolution Conversion of Light ntensity to Frequency With No External omponents` High Irradiance Responsivity . . . .3 kHz/(W/cm2) at p = 524 nm` Low Dark Frequency . . . < 2 Hz at 25 C` Single-Supply Operation . . . 2.7 V to 5.5 V` Stable 200 ppm/°C Temperature Coefficient` ...

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SeekIC No. : 004529544 Detail

TSL238: Features: ` High-Resolution Conversion of Light ntensity to Frequency With No External omponents` High Irradiance Responsivity . . . .3 kHz/(W/cm2) at p = 524 nm` Low Dark Frequency . . . < 2 Hz...

TSL238 Data Sheet

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Part Number:
TSL238
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 ntensity to Frequency With No External omponents
` High Irradiance Responsivity . . . .3 kHz/(W/cm2) at p = 524 nm
` Low Dark Frequency . . . < 2 Hz at 25 C
` Single-Supply Operation . . . 2.7 V to 5.5 V
` Stable 200 ppm/°C Temperature Coefficient
` Interfaces Directly to a Microcontroller
` Lead (Pb) Free Package
` RoHS Compliant


Pinout

Connection Diagram


Specifications

Supply voltage, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . 6 V
Input voltage range, VI . . . . . . . . . . . . . .−0.3 V to VDD +0.3 V
Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 5 mA
Short circuit of output to ground duration . . . . . . . . . . . . .   5 s
Operating free-air temperature range, TA . . . . . .−25 to 70
Storage temperature range, Tstg . . . . . . . . . . . . −40 to 85
Solder conditions in accordance with JEDEC J−STD−020A,
maximum temperature (see Note 2) . .. .. .. .. .. .. .. .. .. .. .260


Description

The TSL238 light-to-frequency converter combines a silicon photodiode and a current-to-frequency converter n a single monolithic CMOS integrated circuit. Output is a square wave (50% duty cycle) with frequency directly roportional to light intensity (irradiance) on the photodiode. The digital output allows direct interface to a icrocontroller or other logic circuitry. The TSL238 has been temperature compensated for the ltraviolet-to-visible light range of 320 nm to 700 nm and responds over the light range of 320 nm to 1050 nm.

The TSL238 is characterized for operation over the temperature range of −25°C to 70°C and is supplied in an -lead plastic small outline package. When supplied in the lead (Pb) free package, the device is RoHS ompliant.

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




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