NJL7502L Ambient Light Sensor GENERAL DESCRIPTION The NJL7502L is the photo transistor which spectral response is similar to human eye. FEATURES 1. Peak wavelength 560 nm 2. Photo current 33 μA typ. Condition : White LED, 100Lux 3. Lead pin package APPLICATIONS Room light, Toy, TV, PDP, Clock, Refrigerator, etc. to adjust the luminance of display to control ON/OFF Replacement of CdS ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Collector - Emitter Voltage Emitter - Collector Voltage Photocurrent Power Dissipation Operating Temperature Storage Temperature Soldering Temperature SYMBOL VCEO VECO IＬ PD Topr Tstg Tsol RATINGS 70 10 10 150 −40 to +85 −40 to +100 260 ELECTRO-OPTICAL CHARACTERISTICS PARAMETER SYMBOL UNIT V V mA mW °C °C °C (Ta=25°C) TEST CONDITION MIN TYP MAX UNIT Photocurrent 1 IL1 VCE=5V, Light source A, 100Lux ⎯ 46 ⎯ μA Photocurrent 2 Dark Current Peak Wavelength Collector - Emitter Saturation Current Emitter - Collector Voltage Half Angle Rise Time Fall Time IL2 ID λP VCE=5V, White LED, 100Lux VCE=20V 15 ⎯ ⎯ 10 9 ⎯ ⎯ ⎯ 33 ⎯ 560 ⎯ ⎯ ±20 10 10 73 0.1 ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ μA μA nm μA V deg. μs μs Ver.2010-05-28 ICE(sat) ＶECL Θ1/2 tr tf ⎯ VCE=0.24V, White LED, 100Lux IECL=1μA , White LED, 100Lux ⎯ VCE=5V, IC=1mA, RL=100Ω VCE=5V, IC=1mA, RL=100Ω -1- NJL7502L TEST CIRCUIT Photocurrent 1 IL1 VCE = 5V Collector - Emitter Saturation Current VCE = 0.24V ICE (sat) IL1 100Lux 100Lux Light source A White LED Half Angle Photocurrent 2 IL2 ICE(sat) Θ1/2 V = 5V RCE L = 100Ω VCE = 5V IL IL2 100Lux White LED Dark Current Rise Time Fall Time ICEO tr tf VCE = 20V VCE = 5V ID IL = 1mA 0Lux Vout RL = 100Ω Peak Wavelength 100mV 90% λP VCE = 5V OV 10% IL tr tf Light -2- Ver.2010-05-28 NJL7502L OUTLINE (TYP.) TYPICAL CHARACTERISTICS Spectral Response (Ta=25ºC) Relative Response (%) 120 100 80 60 40 20 0 300 400 500 600 700 800 900 1000 1100 Wavelength (nm) NJL7502L Ver.2010-05-28 Human eye -3- NJL7502L Directivity 1.0 Relative Response 0.8 0.6 0.4 0.2 0.0 -80 -60 -40 -20 0 20 40 60 80 Angle (deg.) Photocurrent vs. Illuminance (Ta=25ºC) 10000 Photocurrent (μA) 1000 100 10 1 0.1 1 10 100 1000 Illuminance (Lux) Light Source A -4- 10000 100000 White LED Ver.2010-05-28 NJL7502L Photocurrent vs. Temperature Vce=5.0V WhiteLED Relative Photocurrent (%) 140% 130% 120% 110% 100% 90% 80% 70% 60% 50% -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (°C) Photocurrent vs. Temperature Vce=5.0V Light source A 150% Relative Photocurrent (%) 140% 130% 120% 110% 100% 90% 80% 70% 60% 50% -40 -20 0 20 40 60 80 100 Ambient TemperatureTa (°C) Ver.2010-05-28 -5- NJL7502L Dark Current vs. Temperature Vce=5.0V Dark Current Iceo (μA) 1.0E+00 1.0E-01 1.0E-02 1.0E-03 1.0E-04 1.0E-05 1.0E-06 1.0E-07 1.0E-08 -60 -40 -20 0 20 40 60 80 100 Ambient Temperature Ta (°C) -6- Ver.2010-05-28 NJL7502L Vce Light NJL7502L Vout RL Fig1 Application Circuit NJL7502L White LED Vce=5.0V 10 Vout(V) 1 0.1 500Ω 0.01 1kΩ RL 10kΩ 100kΩ 0.001 1MΩ 0.0001 1 10 100 1000 10000 100000 Ev(Lx) NJL7502L Light Source A Vce=5.0V 10 Vout(V) 1 0.1 500Ω 0.01 1kΩ RL 10kΩ 100kΩ 0.001 1MΩ 0.0001 1 10 100 1000 10000 100000 Ev(Lx) [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.2010-05-28 -7-