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TSL254R-LF Datasheet(PDF) 2 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
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TSL254R-LF Datasheet(HTML) 2 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
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2 / 10 page  TSL254R LIGHT-TO-VOLTAGE OPTICAL SENSOR TAOS071C − SEPTEMBER 2007 2 r r Copyright E 2007, TAOS Inc. The LUMENOLOGY r Company www.taosinc.com Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VDD (see Note 1) 6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output current, IO ±10 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Duration of short-circuit current at (or below) 25°C (see Note 2) 5 s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA −25°C to 85°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. NOTES: 1. All voltages are with respect to GND. 2. Output may be shorted to supply. Recommended Operating Conditions MIN NOM MAX UNIT Supply voltage, VDD 2.7 5.5 V Operating free-air temperature, TA 0 70 °C Electrical Characteristics at VDD = 5 V, TA = 25°C, λp = 635 nm, RL = 10 kΩ (unless otherwise noted) (see Notes 3, 4, and 5) PARAMETER TEST TSL254R UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VD Dark voltage Ee = 0 0 5 10 mV VOM Maximum output voltage VDD = 4.5 V 3.0 3.3 V VO Output voltage Ee = 222 μW/cm2 1.5 2 2.5 V Temperature coefficient of output voltage (V ) VO = 2 V @ 25°C, 2 mV/°C αvo Temperature coefficient of output voltage (VO) VO = 2 V @ 25 C, TA = 0°C to 70°C (see Note 6) 0.1 %/°C R Irradiance responsivity See Notes 5 and 7 9 mV/( W/cm2) Re Irradiance responsivity See Notes 5 and 7 9 mV/(μW/cm2) IDD Supply current Ee = 222 μW/cm2 1.1 1.7 mA NOTES: 3. Measurements are made with RL = 10 kΩ between output and ground. 4. Optical measurements are made using small-angle incident radiation from an LED optical source. 5. The input irradiance Ee is supplied by an AlInGaP LED with peak wavelength λp = 635 nm 6. The temperature coefficient of output voltage measurement is made by adjusting irradiance such that VO is approximately 2 V at 25°C and then with irradiance held constant, measuring VO while varying the temperature between 0°C and 70°C. 7. Irradiance responsivity is characterized over the range VO = 0.05 to 2.9 V. The best-fit straight line of Output Voltage VO versus irradiance Ee over this range will typically have a positive extrapolated VO value for Ee = 0. Dynamic Characteristics at VDD = 5 V, TA = 25°C, λp = 635 nm, RL = 10 kΩ (see Figure 1) PARAMETER TEST CONDITIONS TSL254R UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tr Output pulse rise time VO(peak) = 2 V 2.5 μs tf Output pulse fall time VO(peak) = 2 V 2.5 μs Ee = 0, VO = VD f = 1 kHz 1 V Output noise voltage Ee = 0, VO = VD f = 10 kHz 1 μV/√Hz Vn Output noise voltage VO = 2 V f = 1 kHz 1.5 μV/√Hz VO = 2 V f = 10 kHz 1.5 |
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