NJL21H/21V/22H/23H/24H000A
(2) Test system: Shown in Fig.3.
SENSING DISTANCE : L
20cm
10K
+
-
4.9 to 5.1V
Vcc
OUT
STANDARD
TRANSMITTER
Vout
GND
100K
Vout
Fig.3 TEST SYSTEM
Fig.2 STD.TRANSMITTER TEST CIRCUIT
TYPICAL CHARACTERISTICS
Spectral Response
(Ta=25°C )
1.0
Directivity
(Ta=25°C)
Relative Transmission Distance
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
-60 -50 -40 -30 -20 -10 0
10 20 30 40 50 60
Angle
θ
(deg)
Horizontal
Vertical
Relative Responsibirity
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
600
700
800
900
1000
1100
Vertical
Horizontal
Wavelength (nm)
Output Pulse Width vs. Distance
(Input Pulse Width=600µs, Vcc=3.3V, Ta=25°C)
Output Pulse Width TwL (µs)
Transmission Distance vs. Supply Voltage
(Ta=25°C)
Relative Transmission Distance
1000
900
800
700
600
500
400
300
0
2
4
6
8
10
12
14
16
18
20
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Supply Voltage Vcc (V)
Transmission Distance Lc (m)
NJRC [ NEW JAPAN RADIO ]
