s Electro-optical Characteristics

Fig.2 Timing Chart

GP2Y0D340K

Fig.1 Internal Block Diagram

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

Distance measuring range

Output terminal voltage

∆L

−

−

28

−0.3

−

−

10

−

cm

mA

Distance characteristics of output

Output voltage at High

*1

Output voltage at Low

*1

=1Ω

−

0.6

60

V

V

Average dissipation current

40

35

45

35

cm

*1 *3

*1 *4 *2

=25˚C, V

CC

=5V)

Note) L : Distance to reflective object

*1 Using reflective object : White paper (Made by Kodak Co. Ltd. gray cards R-27

⋅ white face, reflective ratio;90%)

*2 We ship the device after the following adjustment : Output switching distance L

=40cm±5cm must be measured by the sensor

*3 Distance measuring range of the optical sensor system

*4 Output switching has a hysteresis width. The distance specified by Vo should be the one with which the output L switches to the output H

GND

PSD

LED

REG

LED_FB

Voltage

regulator

Output

circuit

Distance measuring IC

=(1µF)

=1Ω (LED current TYP. 300mA)

Signal

processing

circuit

Oscillation

circuit

LED drive

circuit

TYP. 6.4ms

TYP. 3.2ms

TYP. 6.4ms

Unstable output

First output

Second output

(Power supply)

First measurment

Stand by period

Distance

measuring

operation

Second measurment

nth

measurment

nth output