NJL7502L
Ver.2010-05-28 -
1
-
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 SYMBOL RATINGS UNIT
Collector - Emitter Voltage VCEO 70 V
Emitter - Collector Voltage VECO 10 V
Photocurrent IＬ
10 mA
Power Dissipation PD 150 mW
Operating Temperature Topr −40 to +85 °C
Storage Temperature Tstg −40 to +100 °C
Soldering Temperature Tsol 260 °C
ELECTRO-OPTICAL CHARACTERISTICS (Ta=25°C)
PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT
Photocurrent 1 IL1 VCE=5V, Light source A, 100Lux ⎯ 46 ⎯ μA
Photocurrent 2 IL2 VCE=5V, White LED, 100Lux 15 33 73 μA
Dark Current ID V
CE=20V ⎯ ⎯ 0.1 μA
Peak Wavelength λP ⎯ ⎯ 560 ⎯ nm
Collector - Emitter Saturation Current ICE(sat) V
CE=0.24V, White LED, 100Lux 10 ⎯ ⎯ μA
Emitter - Collector Voltage ＶECL IECL=1μA , White LED, 100Lux 9 ⎯ ⎯ V
Half Angle Θ1/2 ⎯ ⎯ ±20 ⎯ deg.
Rise Time tr V
CE=5V, IC=1mA, RL=100Ω ⎯ 10 ⎯ μs
Fall Time tf V
CE=5V, IC=1mA, RL=100Ω ⎯ 10 ⎯ μs
NJL7502L
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2
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TEST CIRCUIT
R
L = 100Ω
Vout
I
L = 1mA
V
CE = 5V
I
L
V
CE = 5V
VCE = 0.24V
VCE = 5V
V
CE = 20V
V
CE = 5V
V
CE = 5V
100Lux
Light source A
100Lux
White LED
Photocurrent 2 IL2
Photocurrent 1 IL1
Dark Current ICEO
I
D
0Lux
Peak Wavelength λP
I
L2
Light
Collector - Emitter Saturation Current ICE(sat)
I
CE (sat)
100Lux
White LED
Half Angle Θ1/2
Rise Time tr
Fall Time tf
90% 100mV
10%
tftr
OV
I
L1
I
L
R
L = 100Ω
NJL7502L
Ver.2010-05-28
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OUTLINE (TYP.)
TYPICAL CHARACTERISTICS
Spectral Response (Ta=25ºC)
0
20
40
60
80
100
120
300 400 500 600 700 800 900 1000 1100
Wavelength (nm)
Relative Response (%)
NJL7502L Human eye
NJL7502L
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Directivity
0.0
0.2
0.4
0.6
0.8
1.0
-80 -60 -40 -20 0 20 40 60 80
Angle (deg.)
Relative Response
Photocurrent vs. Illuminance
(Ta=25ºC)
0.1
1
10
100
1000
10000
1 10 100 1000 10000 100000
Illuminance (Lux)
Photocurrent (μA)
Light Source A White LED
NJL7502L
Ver.2010-05-28
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5
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Photocurrent vs. Temperature
Vce=5.0V WhiteLED
50%
60%
70%
80%
90%
100%
110%
120%
130%
140%
-40 -20 0 20 40 60 80 100
Ambient Temperature Ta (°C)
Relative Photocurrent (%)
Photocurrent vs. Temperature
Vce=5.0V Light source A
50%
60%
70%
80%
90%
100%
110%
120%
130%
140%
150%
-40-200 20406080100
Ambient TemperatureTa (°C)
Relative Photocurrent (%)
NJL7502L
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6
-Ver.2010-05-28
Dark Current vs. Temperature
Vce=5.0V
1.0E-08
1.0E-07
1.0E-06
1.0E-05
1.0E-04
1.0E-03
1.0E-02
1.0E-01
1.0E+00
-60 -40 -20 0 20 40 60 80 100
Ambient Temperature Ta (°C)
Dark Current Iceo (μA)
NJL7502L
Ver.2010-05-28
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Vce
NJL7502L White LED Vce=5.0V
0.0001
0.001
0.01
0.1
1
10
1 10 100 1000 10000 100000
Ev(Lx)
Vout(V)
500Ω
1kΩ
10kΩ
100kΩ
1MΩ
RL
NJL7502L Light Source A Vce=5.0V
0.0001
0.001
0.01
0.1
1
10
1 10 100 1000 10000 100000
Ev(Lx)
Vout(V)
500Ω
1kΩ
10kΩ
100kΩ
1MΩ
RL
Vout
NJL7502L
RL
Light
Fig1 Application Circuit
[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 ri
g
hts.
