IS1U621 查看數據表（PDF） - Sharp Electronics
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IS1U621 Datasheet PDF : 5 Pages
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Fig. 1 B.P.F. Frequency Characteristics (TYP.)
IS1U621/IS1U621L
Fig. 2 Sensitivity Angle (Direction X)
Characteristics (TYP.) for Reference
- 20˚ - 10˚
0˚
10˚
20˚
- 30˚
30˚
18 22 26 30 34 38 42 46 50 54 58
Carrier frequency (kHz)
Fig. 3 Sensitivity Angle (Direction Y)
Characteristics (TYP.) for Reference
- 20˚ - 10˚ 0˚
10˚
20˚
- 30˚
30˚
- 40˚
40˚
50
- 50˚
50˚
- 60˚
60˚
- 70˚
70˚
- 80˚
80˚
- 90˚
90˚
0
Angular displacement φ
Fig. 5 AEHA (Japan Association of Electrical Home Appliances)
Code Pulse Width Characteristics (1st Bit) (TYP.) for Reference
700
Low level pulse width
600
500
400
300
200
High level pulse width
100
0
0 1 2 3 4 5 6 7 8 9 10
Reception distance (m)
- 40˚
40˚
- 50˚
50
50˚
- 60˚
60˚
- 70˚
70˚
- 80˚
80˚
- 90˚
90˚
0
Angular displacement φ
Fig. 4 Relative Reception Distance vs. Ambient
Temperature (TYP.) for Reference
120
100
80
60
40
20
0
- 40
Unit
SHARP
standard transmitter
Relative comparison with reception
distance at VCC=5V,φ =0˚ , Ee <10 lx
and Ta=25 ˚C taken as 100%
- 20 0 20 40 60 80 100
Ambient temperature Ta (˚C)
(Conditions)
Unit
AEHA code generating transmitter
VCC =5V, Ta=RT, φ =0˚ , Ee < 10 lx
1st bit
T= 430µs
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