NJL21H/21V/22H/23H/24H000A
Transmission Distance vs. Carrier Frequency
(Vcc=3.3V, Ta=25°C)
1.0
Relative Transmission Distance
Transmission Distance vs. Temperature
(Vcc=3.3V)
1.2
Relative Transmission Distance
0.9
0.8
0.7
0.6
0.5
24 26 28 30 32 34 36 38 40 42 44 46 48 50
Carrier Frequency (kHz)
fo=36kHz
fo=38KHz
fo=40KHz
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-40
-20
0
20
40
60
80
100
Ambient temperature Ta(°C)
RECOMMENDED APPLICATION CIRCUIT
1 : OUT
2 : GND
3 : Vcc
47
Ω
1 2
3
47uF
Vcc
RC Filter should be connected closely between Vcc pin and GND pin.