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| t TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER t TAOS022 - JANUARY 2000 D Monolithic Silicon IC Containing D D D D D D D D Photodiode, Operational Amplifier, and Feedback Components Converts Light Intensity to Output Voltage High Irradiance Responsivity . . . Typically 60 mV/(W/cm2) at p = 880 nm (TSL253) High Bandwidth Compact 3-Leaded Clear Plastic Package Low Dark (Offset) Voltage . . . 10 mV Max At 25C, VDD = 5 V Single-Supply Operation Wide Supply-Voltage Range . . . 2.7 V to 5.5 V Low Supply Current . . . 600 A Typical at VDD = 5 V SR PACKAGE (FRONT VIEW) 1 2 3 GND VDD OUT Description The TSL253 and TSL254 are light-to-voltage optical converters, each combining a 1-mm-square photodiode and a transimpedance amplifier (feedback resistor = 16 M, and 1 M respectively) on a single monolithic IC. Output voltage is directly proportional to the light intensity (irradiance) on the photodiode. These devices use silicon-gate CMOS technology that provides improved amplifier offset-voltage stability and low power consumption. 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. www.taosinc.com Texas Advanced Optoelectronic Solutions Inc. 800 Jupiter Road, Suite 205 S Plano, TX 75074 S (972) 673-0759 t t Copyright (c) 2000, TAOS Inc. 1 Powered by ICminer.com Electronic-Library Service CopyRight 2003 TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA Duration of short-circuit current at (or below) 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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. NOTE 1: All voltages are with respect to GND. Recommended Operating Conditions MIN Supply voltage, VDD Operating free-air temperature, TA 2.7 0 MAX 5.5 70 UNIT V C Electrical Characteristics at VDD = 5 V, TA = 25C, p = 880 nm, RL = 10 k (unless otherwise noted) (see Notes 2 and 3) TSL253 PARAMETER VD VOM VO vo Ne Dark voltage Maximum output voltage swing Output voltage Tem erature Temperature coefficient of output out ut voltage (VO) Irradiance responsivity Power supply rejection, dc Power supply rejection, ac IDD Supply current fac = 1 kHz TEST CONDITIONS Ee = 0 Ee = 2 mW/cm2 3 1.6 3.5 2 -0.2 0.05 60 60 18 0.6 1.5 2.4 1.6 2 -0.2 0.05 3.5 60 44 0.6 1.5 %/C mV/(W/cm2) dB dB mA 2.4 V Ee = 35 W/cm2 Ee = 595 W/cm2 300 nm < < 700 nm p = 880 nm MIN TYP MAX 10 3 3.5 MIN TSL254 TYP MAX 10 UNIT mV V NOTES: 2. The input irradiance Ee is supplied by a GaAlAs infrared-emitting diode with p = 880 nm. 3. Irradiance responsivity is characterized over the range VO = 0.05 to 3 V. Switching Characteristics at TA = 25C (see Figure 1) TSL253 PARAMETER tr tf Vn Output pulse rise time Output pulse fall time Output noise voltage g TEST CONDITIONS VDD = 5 V, VDD = 5 V, VDD = 5 V p = 880 nm p = 880 nm f = 100 Hz f = 1 kHz f = 10 kHz MIN TYP 7.5 7.5 3 3 6 MAX MIN TSL254 TYP 2 2 1.7 1 1.3 V/Hz MAX UNIT s s t www.taosinc.com 2 Powered by ICminer.com Electronic-Library Service CopyRight 2003 t TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 PARAMETER MEASUREMENT INFORMATION VDD Pulse Generator IRED (see Note A) TSL25x 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 GaAlAs infrared-emitting diode with the following characteristics: p = 880 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 MHz, Ci 20 pF. Figure 1. Switching Times www.taosinc.com t t Powered by ICminer.com Electronic-Library Service CopyRight 2003 3 TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 TYPICAL CHARACTERISTICS OUTPUT VOLTAGE vs IRRADIANCE 10 VDD = 5 V p = 880 nm No Load TA = 25C 1 TA = 25C TSL253 TSL254 Relative Responsivity 0.8 PHOTODIODE SPECTRAL RESPONSIVITY VO - Output Voltage - V 1 0.6 0.1 0.4 0.01 0.2 0.001 1 10 100 Ee - Irradiance - W/cm2 1000 0 300 500 700 900 - Wavelength - nm 1100 Figure 2 MAXIMUM OUTPUT VOLTAGE vs SUPPLY VOLTAGE 5 VOM - Maximum Output Voltage - V Ee = 2 mW/cm2 p = 880 nm RL = 10 k TA = 25C 1 Figure 3 NORMALIZED OUTPUT VOLTAGE vs ANGULAR DISPLACEMENT VO - Normalized Output Voltage 4 0.8 3 0.6 2 0.4 0.2 1 0 3 3.5 4 4.5 VDD - Supply Voltage - V 5 0 80 60 40 20 0 20 40 - Angular Displacement Optical Axis 60 80 Figure 4 Figure 5 t www.taosinc.com 4 Powered by ICminer.com Electronic-Library Service CopyRight 2003 t TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 TYPICAL CHARACTERISTICS POWER SUPPLY REJECTION vs FREQUENCY 70 TA = 25C 60 Power Supply Rejection - dB I DD- Supply Current - mA 50 40 30 20 10 0 -10 -20 0.1 k TSL253 TSL254 0.62 0.61 0.60 0.59 0.58 0.57 0.56 0.55 0.54 0 VDD = 5.5 V No Load SUPPLY CURRENT vs FREE-AIR TEMPERATURE 1k 10 k 100 k 1000 k 10 20 30 40 50 60 70 f - Frequency - Hz TA - Free-Air Temperature - C Figure 6 SUPPLY CURRENT vs SUPPLY VOLTAGE 0.7 0.6 I DD - Supply Current - mA 0.5 VO - Output Voltage - Normelized to - 25 C TA = 25C No Load 1.2 Figure 7 OUTPUT VOLTAGE vs FREE-AIR TEMPERATURE VDD = 5V p = 300 nm to 700 nm 1 0.8 0.4 0.3 0.6 0.4 0.2 0.1 0 2.7 0.2 0 3.2 3.7 4.2 4.7 5.2 VDD - Supply Voltage - V 5.7 0 10 50 60 20 30 40 TA - Free-Air Temperature - C 70 Figure 8 Figure 9 www.taosinc.com t t Powered by ICminer.com Electronic-Library Service CopyRight 2003 5 TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 TYPICAL CHARACTERISTICS OUTPUT VOLTAGE vs SUPPLY VOLTAGE 1.001 1 V O - Output Voltage (Normalized) - V 0.999 0.998 0.997 0.996 0.995 0.994 0.993 0.992 0.991 0.99 2.5 3 5.5 3.5 4 4.5 5 VDD - Supply Voltage - V 6 6.5 Figure 10 INTEGRATED NOISE VOLTAGE vs MEASUREMENT BANDWIDTH FREQUENCY 105 V n - Integrated Noise Voltage - Vrms VDD = 5 V TA = 25C 104 TSL253 103 TSL254 102 10 0.1 1 10 100 1000 f - Measurement Bandwidth Frequency - kHz Figure 11 t www.taosinc.com 6 Powered by ICminer.com Electronic-Library Service CopyRight 2003 t TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 MECHANICAL DATA PLASTIC SINGLE-IN-LINE PACKAGE (OPTO) 0.108 (2,74) 0.092 (2,34) 0.069 (1,75) 0.049 (1,25) 0.191 (4,85) 0.171 (4,35) 0.081 (2,05) 0.061 (1,55) 0.033 (0,85) 0.014 (0,35) 0.120 (3,05) 0.100 (2,55) 0.189 (4,80) 0.173 (4,40) 0.125 (3,18) (See Note C) 0.049 (1,25) 0.029 (0,75) 0.619 (15,70) 0.520 (13,20) 1 0.084 (2,13) 0.074 (1,88) 2 3 0.020 (0,51) 0.015 (0,39) 0.025 (0,64) 0.016 (0,40) 0.165 (4,20) 0.150 (3,80) NOTES: A. B. C. D. E. F. All linear dimensions are in inches (millimeters). This drawing is subject to change without notice. Lead dimensions are not controlled within this area. All dimensions apply before solder dip. Package body is a clear nonfilled optically transparent material Index of refraction of clear plastic is 1.55. www.taosinc.com t t Powered by ICminer.com Electronic-Library Service CopyRight 2003 7 TSL253, TSL254 PRECISION HIGH SPEED LIGHT TO VOLTAGE CONVERTER TAOS022 - JANUARY 2000 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. t www.taosinc.com 8 Powered by ICminer.com Electronic-Library Service CopyRight 2003 t |
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