Light Sensor (AMS1, 3, 4)
3. Electrical and optical characteristics (Measuring condition: ambient temperature: 25 ° C 77 ° F )
Item
Symbol
AMS104/AMS302
AMS402
Condition
Peak sensitivity wavelength
Photocurrent 1
Photocurrent 2
Photocurrent 3
Dark current
Minimum
Typical
Maximum
Minimum
Typical
Maximum
Typical
Maximum
λ p
I L1
I L2
I L3
I D
580 nm
9.1 μ A
13 μ A
16.9 μ A
182 μ A
260 μ A
338 μ A
500 μ A
0.3 μ A
560 nm
0.7 μ A
1 μ A
1.3 μ A
14 μ A
20 μ A
26 μ A
35 μ A
0.05 μ A
AMS104/AMS302: V R = 5 V, E V = 5 lx* 1
AMS402: V R = 3 V, E V = 5 lx* 1
AMS104/AMS302: V R = 5 V, E V = 100 lx* 1
AMS402: V R = 3 V, E V = 100 lx* 1
AMS104/AMS302: V R = 5 V, E V = 100 lx* 2
AMS402: V R = 3 V, E V = 100 lx* 2
AMS104/AMS302: V R = 5 V, E V = 0 lx
AMS402: V R = 3 V, E V = 0 lx
Switching time
Rise time
Fall time
Typical
Typical
t r
t f
8.5 ms
8.5 ms
1.2 ms
1.2 ms
AMS104/AMS302: V CC = 5.0 V, V O = 2.5 V, R L = 5 k ?
AMS104/AMS302: V CC = 3.0 V, V O = 1.5 V, R L = 5 k ?
Notes: *1. Fluorescent lamp is used as light source. Ev = Brightness
*2. CIE standard illuminant ‘A’ is used as light source.
*3. Measuring method for switching time.
Cathode
I F
White LED
I F
AMS ???
Anode
R L
V R
V O
V CC
AMS104/AMS302: 2.5V
AMS402: 1.5V
V O
90%
10%
REFERENCE DATA
tr
tf
1. Power dissipation vs. ambient temperature
characteristics
50
2. Relative sensitivity vs. wavelength
characteristics
Reverse voltage: 3V (AMS402), 5V (AMS104,
AMS302)
Ambient temperature: 25 ° C 77 ° F
1.0
3. Dark current vs. ambient temperature
characteristics
Reverse voltage: 3V (AMS402), 5V (AMS104,
AMS302)
10
45
AMS402
AMS104·AMS302
0.9
AMS402
AMS104·AMS302
40
35
30
25
20
15
0.8
0.7
0.6
0.5
0.4
0.3
Human spectral
1
0.1
0.01
10
5
0.2
0.1
0.001
AMS402
AMS104·AMS302
0
0
20
40
60
80
100
0
300 400 500 600 700 800 900 1000 1100
0.0001
20
40
60
80
100
Ambient temperature, ° C
4. Photocurrent vs. brightness characteristics
Light source: Fluorescent lamp
Reverse voltage: 3V (AMS402), 5V (AMS104,
AMS302)
Ambient temperature: 25 ° C 77 ° F
10000
1000
Wavelength, nm
5. Relative photocurrent vs. ambient
temperature characteristics
Light source: Fluorescent lamp, Brightness: 100 lx
Reverse voltage: 3V (AMS402), 5V (AMS104,
AMS302)
1.4
1.2
Ambient temperature, ° C
6. Relative photocurrent vs. reverse voltage
characteristics
Light source: Fluorescent lamp, Brightness: 100 lx
Ambient temperature: 25 ° C 77 ° F
1.2
1.0
0.8
100
1.0
0.6
10
0.4
1
AMS402
AMS104·AMS302
0.8
AMS402
AMS104·AMS302
0.2
AMS402
AMS104·AMS302
0.1
1
10
100
1000
10000
0.6
-40
-20
0
20
40
60
80
100
0
0
1
2
3
4
5
6
7
8
Brightness, lx
Ambient temperature, ° C
Reverse voltage, V
Panasonic Corporation
Automation Controls Business Unit
industrial.panasonic.com/ac/e
ASCTB242E 201209-T
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