Rainbow Electronics SIR-568ST3F - Manual (Page 2)

SIR-568ST3F
Sensors
2/3
! ! ! ! Electrical and optical characteristics (Ta = 25 °C)
Parameter Symbol
P O
I
E
V F
I
R
λ
P
∆λ
θ
1/2
Min.
−
18
−
−
−
−
−
Typ. Max.
−
−
2.1
10
−
−
−
Unit
mW I F
= 50mA
I
F
= 50mA
I F
= 50mA
V
R
= 2V
I F
= 20mA
I F
= 20mA
I F
= 50mA
mW/sr
V
µ A
nm
nm
deg
fc − − I F
= 30mA DC + 20mA p-p MHz
tr − − I F
= 50mA ns
tf −
13
38
1.6
−
850
40
± 13
50
8.0
6.0 − I
F
= 50mA ns
Conditions
Optical output
Emitting strength
Forward voltage
Reverse current
Peak light emitting wavelength
Spectral line half width
Half-viewing angle
Rise time
Fall time
Cut-off frequency
Response time
! ! ! ! Electrical and optical characteristic curves
− 25 0 20 40 60 80 100
20
80
100
120
60
40
0
AMBINET TEMPERATURE : Ta ( ° C)
FORWARD CURRENT : I
F
(mA)
Fig.1 Forward current falloff
Fig.2 Forward current vs. forward voltage
FORWARD CURRENT : I
F
(mA)
FORWARD VOLTAGE : V F (V)
0.2
0
10
20
30
40
50
0.4 0 0.6 0.8 1.0 1.2 1.4 2.0 1.6 1.8
75 ° C
50 ° C
25 ° C
0 ° C
− 25 ° C
RELATIVE OPTICAL OUTPUT : Po (%)
OPTICAL WAVELENGTH : λ ( nm)
780 840 900
0
1.0
0.5
Ta=25 ° C
I F =20mA
Fig.3 Wavelength characteristics
FORWARD CURRENT ( mA)
10 100 1000
1
10
100
500
EMITTING STRENGTH : I
E
(
mW / sr)
Ta=25 ° C
tw=100 µ sec
T=10msec
Fig.4 Emitting strength vs.
forward current
Fig.5 Relative emitting strength vs.
ambient temperature
AMBINET TEMPERATURE : Ta ( ° C)
0 − 25 25 50 75 100
300
100
50
10
RELATIVE EMITTING STRENGTH : I
E
(%)
FREQUENCY : f (MHz)
1 2 4 10 20 40 100
− 6
− 4
− 2
0
GAIN : (dB)
Fig.6 Frequency characteristics