Datasheet

IS471F
100
+90˚
+80˚
+70˚
+50˚
+60˚
+40˚
+30˚
+20˚+10˚
0˚
- 30˚
-10˚-20˚
- 40˚
- 50˚
- 60˚
- 70˚
- 80˚
- 90˚
0
Angular displacement θ
Relative sensitivity
(
%
)
Infrared light
emitting diode
Comparator
Amp.
Oscillator
Voltage regulator
2 4 6 8 10 12 14 16 18
0
10
20
30
60
50
40
70
80
Wavelength λ
(
nm
)
Relative sensitivity
(
%
)
1400
0
100
90
80
70
60
50
40
30
20
10
1300120011001000 500 600 700 800 900400
or more between Vcc and GNP near the device.
❈
25˚C
60˚C
80
60
40
20
❈ In order to stabilize power supply line, connect a by-pass capacitor of 0.33µF
Low level output current I
OL
(
mA
)
Supply voltage V
cc
(
V
)
Fig. 9 Low Level Output Current vs.
Fig.11 Spectral Sensitivity
Sync.detector
circuit
Demodulator
circuit
V
cc
(
Power supply
)
V
o
(
Signal output
)
C = 0.33 µ F
Supply Voltage
■ Basic Circuit
Fig.10 Sensitivity Diagram
T
a
=-25˚C
(
T
a
= 25˚C
)
T
a
= 25˚C
● Please refer to the chapter “Precautions for Use.”