RPM7238-R series

Photo Link Module

Rev.B

2/6

Block diagram

AMP

100k

Ω

GND

I / V

BPF

Comparator

LIMITER

Detector

Terminal description

Pin name

Pin No.

Function

OUTPUT TERMINAL

GROUND

POWER SUPPLY

2

3

GND

Electrical, Optical characteristics (Unless otherwise noted, Ta = 25

Isink

Outer light condition Ee

< 10 (Ix)

Outer light condition Ee

< 10 (Ix)

Outer light condition Ee

< 10 (Ix)

< 200µA

=

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

L

fo

300

µA

15

−

−

600

500

m

−

V

−

V

µs

0.5

800

θ 1/2

θ 1/2

600

37.9

∗1

∗1

∗1

∗1

∗1

∗2

∗2

−

8

400

2.5

−

400

−

−

−

35

45

µs

800

kHz

−

−

deg

deg

−

∗1 600/600µs burst wave is transmitted by standard transmitter. However, it must be measured after the initial transmission pulse is 10 pulse.

∗2 It is an angle when the linear arrival distance become half.

Consumption Current

No outside light, No signal input

Effective Distance

High Level Output Voltage

Low Level Output Voltage

ON Pulse Width

OFF Pulse Width

Center frequency

Vertical half angle

Horizontal half angle

Measurement Conditions

(1) Transmit signal

600

µs

600

µs

Fig.1 Transmit signal

Carrier frequency=fo, Duty=50%