RPM7140 View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
MFG CO.
RPM7140 Datasheet PDF : 8 Pages
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Photo Link Module
!Block diagram
AMP
I/V
RPM7100 series
VCC
LIMITER
BPF
Comparator
Detector
22k
ROUT
!Terminal description
Pin No. Pin name
Function
1
ROUT
OUTPUT TERMINAL
2
GND
GROUND
3
VCC
POWER SUPPLY
!Electrical, Optical characteristics (Unless otherwise noted, Ta = 25°C VCC=5V)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Consumption Current
ICC
−
0.95
1.5
mA No outside light, No signal input
Effective Distance
L
8
15
−
m Outer light condition Ee < 10 (Ix) ∗1
High Level Output Voltage
VH
4.5
−
−
V
∗1
Low Level Output Voltage
VL
−
−
0.5
V
Isink =< 200µA
∗1
ON Pulse Width
TON
400
600
800
µs Outer light condition Ee < 10 (Ix) ∗1
OFF Pulse Width
TOFF
400
600
800
µs Outer light condition Ee < 10 (Ix) ∗1
Center frequency
fo
−
∗3
−
kHz
Horizontal half angle
θ 1/2
−
45
−
deg
∗2
Vertical half angle
θ 1/2
−
35
−
deg
∗2
∗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.
∗3 Four types of frequencies : 36, 36.7, 37.9, 40kHz.
! Measurement Conditions
(1) Transmit signal
600µs
600µs
Carrier frequency=fo, Duty=50%
Fig.1 Transmit signal
2/7
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