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| t TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS t TAOS049 - JANUARY 2003 D Integral Visible Light Cutoff Filter D Monolithic Silicon IC Containing D D D D D D D D Photodiode, Operational Amplifier, and Feedback Components Converts Light Intensity to a Voltage High Irradiance Responsivity, Typically 111 mV/(mW/cm2) at lp = 940 nm (TSL260R) Compact 3-Lead Plastic Package Single Voltage Supply Operation Low Dark (Offset) Voltage....10mV Max Low Supply Current......1.1 mA Typical Wide Supply-Voltage Range.... 2.7 V to 5.5 V Replacements for TSL260, TSL261, and TSL262 PACKAGE (FRONT VIEW) 1 2 3 GND VDD OUT Description The TSL260R, TSL261R, and TSL262R are infrared light-to-voltage optical sensors, each combining a photodiode and a transimpedance amplifier (feedback resistor = 16 M, 8 M, and 2.8 M respectively) on a single monolithic IC. Output voltage is directly proportional to the light intensity (irradiance) on the photodiode. These devices have improved amplifier offset-voltage stability and low power consumption and are supplied in a 3-lead plastic sidelooker package with an integral visible light cutoff filter and lens. Functional Block Diagram - + Voltage Output Terminal Functions TERMINAL NAME GND OUT VDD NO. 1 3 2 Output voltage Supply voltage DESCRIPTION Ground (substrate). All voltages are referenced to GND. The LUMENOLOGYr Company t Copyright E 2003, TAOS Inc. Texas Advanced Optoelectronic Solutions Inc. 800 Jupiter Road, Suite 205 S Plano, TX 75074 S (972) 673-0759 t www.taosinc.com 1 TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 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) 25C (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 s Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25C to 85C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25C to 85C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240C 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 Supply voltage, VDD Operating free-air temperature, TA 2.7 0 NOM MAX 5.5 70 UNIT V C Electrical Characteristics at VDD = 5 V, TA = 25C, p = 940 nm, RL = 10 k (unless otherwise noted) (see Notes 3, 4, and 5) PARAMETER VD VOM Dark voltage Maximum output voltage TEST CONDITIONS Ee = 0 VDD = 4.5 V Ee = 18 W/cm2 VO Out ut Output voltage Ee = 46 W/cm2 Ee = 220 W/cm2 8 0.4 8 0.4 8 0.4 111 1.1 1.7 1.1 1.7 1.1 1.7 mA 43.5 9.1 Ee = 18 W/cm2, TA = 0C to 70C Ee = 46 W/cm2, TA = 0C to 70C Ee = 220 TA = 0C to 70C See Note 6 Ee = 18 W/cm2 IDD Supply current y Ee = 46 W/cm2 Ee = 220 W/cm2 NOTES: 3. 4. 5. 6. W/cm2, TSL260R MIN 0 3 1 TYP 4 3.3 2 3 1 2 3 1 2 3 mV/C %/C mV/C %/C mV/C %/C mV/(W/cm2) V MAX 10 MIN 0 3 TSL261R TYP 4 3.3 MAX 10 MIN 0 3 TSL262R TYP 4 3.3 MAX 10 UNIT mV V vo Temperature coefficient of output voltage g (VO) Ne Irradiance responsivity Measurements are made with RL = 10 k between output and ground. Optical measurements are made using small-angle incident radiation from an LED optical source. The input irradiance Ee is supplied by a GaAs LED with peak wavelength p = 940 nm 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. Copyright E 2003, TAOS Inc. t The LUMENOLOGYr Company t 2 www.taosinc.com TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 Dynamic Characteristics at TA = 25C (see Figure 1) TSL260R PARAMETER tr tf Vn Output pulse rise time Output pulse fall time Output noise voltage TEST CONDITIONS VDD = 5 V, VDD = 5 V, VDD = 5 V, f = 1000 Hz p = 940 nm p = 940 nm Ee = 0, MIN TYP 260 260 0.8 MAX MIN TSL261R TYP 70 70 0.7 MAX MIN TSL262R TYP 7 7 0.6 MAX UNIT s s V/Hz PARAMETER MEASUREMENT INFORMATION VDD Pulse Generator LED (see Note A) TSL26xR 1 TEST CIRCUIT - + RL Output (see Note B) 10% 90% 90% 10% 2 Ee Input 3 Output tr tf VOLTAGE WAVEFORM NOTES: A. The input irradiance is supplied by a pulsed GaAs light-emitting diode with the following characteristics: p = 940 nm, tr < 1 s, tf < 1 s. B. The output waveform is monitored on an oscilloscope with the following characteristics: tr < 100 ns, Zi 1 M, Ci 20 pF. Figure 1. Switching Times The LUMENOLOGYr Company t Copyright E 2003, TAOS Inc. t www.taosinc.com 3 TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 TYPICAL CHARACTERISTICS OUTPUT VOLTAGE vs IRRADIANCE 10 VDD = 5 V p = 940 nm RL = 10 kW TA = 25C TSL260R 1 Relative Responsivity 0.6 1 TSL261R TA = 25C PHOTODIODE SPECTRAL RESPONSIVITY 0.8 VO -- Output Voltage -- V TSL262R 0.1 0.4 0.2 0.01 0.1 0 1 10 100 1000 600 700 Ee -- Irradiance -- mW/cm2 800 900 1000 - Wavelength - nm 1100 Figure 2 MAXIMUM OUTPUT VOLTAGE vs SUPPLY VOLTAGE 5 VOM - Maximum Output Voltage - V RL = 10 k TA = 25C I DD - Supply Current - mA 4 1.4 1.6 VDD = 5 V RL = 10 kW TA = 25C Figure 3 SUPPLY CURRENT vs OUTPUT VOLTAGE 3 1.2 2 1 1 0.8 0 2.5 3 4 4.5 3.5 VDD - Supply Voltage - V 5 5.5 0.6 0 1 2 3 VO - Output Voltage - V 4 Figure 4 Figure 5 Copyright E 2003, TAOS Inc. t The LUMENOLOGYr Company t 4 www.taosinc.com TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 TYPICAL CHARACTERISTICS NORMALIZED OUTPUT VOLTAGE vs ANGULAR DISPLACEMENT 1 0.8 VO - Normalized Output Voltage TSL262R TSL261R 0.6 TSL260R 0.4 0.2 0 80 60 40 20 0 20 40 - Angular Displacement Optical Axis 60 80 Figure 6 The LUMENOLOGYr Company t Copyright E 2003, TAOS Inc. t www.taosinc.com 5 TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 MECHANICAL INFORMATION The device is supplied in a plastic three-lead package. The integrated photodiode active area is typically 1,0 mm2 (0.0016 in2) for TSL260R, 0,5 mm2 (0.00078 in2) for the TSL261R, and 0,26 mm2 (0.0004 in2) for the TSL262R. 0.189 (4,80) 0.173 (4,40) 0.165 (4,20) 0.150 (3,80) 0.071 (1,80) 0.072 (1,84) 0.057 (1,44) 0.032 (0,80) 0.016 (0,40) R 0.035 (0,90) 0.071 (1,8) 0.110 (2,80) 0.189 (4,80) 0.173 (4,40) 0.016 (0,40) 0.079 (2,00) 0.039 (1,00) 0.029 (0,75) 0.102 (2,6) 0.027 (0,70) 0.026 (0,65) 0.630 (16,00) 0.531 (13,50) 0.018 (0,45) 0.079 (2,00) 0.079 (2,00) 0.018 (0,45) Figure 7. Package Configuration NOTES: A. B. C. D. E. All linear dimensions are in inches (millimeters). All dimensions apply before solder dip. Package body is a nonfilled optically transparent material Index of refraction of clear plastic is 1.55. This drawing is subject to change without notice. Copyright E 2003, TAOS Inc. t The LUMENOLOGYr Company t 6 www.taosinc.com TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 PRODUCTION DATA -- information in this document is current at publication date. Products conform to specifications in accordance with the terms of Texas Advanced Optoelectronic Solutions, Inc. standard warranty. Production processing does not necessarily include testing of all parameters. NOTICE Texas Advanced Optoelectronic Solutions, Inc. (TAOS) reserves the right to make changes to the products contained in this document to improve performance or for any other purpose, or to discontinue them without notice. Customers are advised to contact TAOS to obtain the latest product information before placing orders or designing TAOS products into systems. TAOS assumes no responsibility for the use of any products or circuits described in this document or customer product design, conveys no license, either expressed or implied, under any patent or other right, and makes no representation that the circuits are free of patent infringement. TAOS further makes no claim as to the suitability of its products for any particular purpose, nor does TAOS assume any liability arising out of the use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS, INC. PRODUCTS ARE NOT DESIGNED OR INTENDED FOR USE IN CRITICAL APPLICATIONS IN WHICH THE FAILURE OR MALFUNCTION OF THE TAOS PRODUCT MAY RESULT IN PERSONAL INJURY OR DEATH. USE OF TAOS PRODUCTS IN LIFE SUPPORT SYSTEMS IS EXPRESSLY UNAUTHORIZED AND ANY SUCH USE BY A CUSTOMER IS COMPLETELY AT THE CUSTOMER'S RISK. LUMENOLOGY is a registered trademark, and TAOS, the TAOS logo, and Texas Advanced Optoelectronic Solutions are trademarks of Texas Advanced Optoelectronic Solutions Incorporated. The LUMENOLOGYr Company t Copyright E 2003, TAOS Inc. t www.taosinc.com 7 TSL260R, TSL261R, TSL262R INFRARED LIGHT TO VOLTAGE OPTICAL SENSORS TAOS049 - JANUARY 2003 Copyright E 2003, TAOS Inc. t The LUMENOLOGYr Company t 8 www.taosinc.com |
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