Data Sheet

Fig.4 Distance Characteristics
GP2Y0A21YK/GP2Y0D21YK
Fig.5 Analog Output Voltage vs. Distance to
Reflective Object
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
L
H
HL
Hystersis width
Distance to reflective object L (cm)
(Non detection)
(Detection)
Output (V)
Output H
Output L
GP2Y0D21YK
Output switching point distance
L=24±3cm
Analog output voltage V
O
(V)
0508060 7040302010
0
3.5
3
2.5
2
1.5
1
0.5
GP2Y0A21YK
Distance to reflective object L (cm)
White paper
(Reflective ratio:90%)
Gray paper
(Reflective ratio:18%)