TSL245R-LF
TSL245R-LF Datasheet
TSL245R
| Part | Datasheet |
|---|---|
TSL245R-LF |
TSL245R-LF (pdf) |
| Related Parts | Information |
|---|---|
TSL245RSM-LF |
TSL245RSM-LF |
| PDF Datasheet Preview |
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| TSL245R INFRARED LIGHT-TO-FREQUENCY CONVERTER r TAOS060D − SEPTEMBER 2007 D High-Resolution Conversion of Light Intensity to Frequency With No External Components D Communicates Directly With a Microcontroller D Compact Three-Leaded Plastic Package D Integral Visible-Light Cutoff Filter D Single-Supply Operation V to V D High Irradiance Responsivity Typically 500 Hz/ uW/cm2 at 940 nm D Nonlinearity Error Typically at 100 kHz D Available in Through-Hole and Surface Mount Three-Lead Sidelooker Packages D Replacement for TSL245 D Lead Pb Free Package Option Available PACKAGE S SIDELOOKER FRONT VIEW PACKAGE SM SURFACE MOUNT SIDELOOKER FRONT VIEW 123 GND VDD OUT 123 GND VDD OUT The TSL245R 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 TSL245R is characterized for operation over the temperature range of −25°C to 70°C and is supplied in a 3-lead plastic side-looker package with an integral visible-light cutoff filter and lens. When supplied in the lead Pb free package, the devices are RoHS compliant. Functional Block Diagram Light Photodiode Current-to-Frequency Converter Output Available Options DEVICE TSL245R TA −25°C to 70° −25°C to 70° −25°C to 70° −25°C to 70° PACKAGE − LEADS 3-lead Sidelooker 3-lead Sidelooker Lead Pb Free 3-lead Surface Mount Sidelooker 3-lead Surface Mount Side-Looker Lead Pb Free PACKAGE DESIGNATOR S SM ORDERING NUMBER TSL245R TSL245R−LF TSL245RSM−LF The LUMENOLOGY r Company Texas Advanced Optoelectronic Solutions Inc. 1001 Klein Road S Suite 300 S Plano, TX 75074 S 972r 673-0759 Copyright E 2007, TAOS Inc. 1 TSL245R INFRARED LIGHT-TO-FREQUENCY CONVERTER TAOS060D − SEPTEMBER 2007 Terminal Functions TERMINAL NAME TYPE Power supply ground substrate . All voltages are referenced to GND. O Output voltage. Supply voltage. Absolute Maximum Ratings over operating free-air temperature range unless otherwise noted † Supply voltage, VDD see Note 1 6 V Operating free-air temperature range, TA −25°C to 70°C Storage temperature range, Tstg −25°C to 85°C Lead temperature 1,6 mm 1/16 inch from case for 10 seconds S Package 260°C Reflow solder, in accordance with J-STD-020C or J-STD-020D SM Package 260°C † 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. Recommended Operating Conditions Supply voltage, VDD Operating free-air temperature range, TA MIN NOM − 25 MAX 70 UNIT V °C Electrical Characteristics at VDD = 5 V, TA = 25°C unless otherwise noted PARAMETER TEST CONDITIONS High-level output voltage Low-level output voltage Supply current Full-scale IOH = − 4 mA IOL = 4 mA kSVS Supply-voltage sensitivity VDD = 5 V ±10% Full-scale frequency is the maximum operating frequency of the device without saturation. TYP MAX UNIT V mA kHz %/ V Operating Characteristics at VDD = 5 V, TA = 25°C, λp = 940 nm PARAMETER |
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