RPM7237 Datasheet, PDF (2/7 Pages) Rohm – IR Receiver Module

Photo Link Module
zBlock diagram
RPM7237 series
I/V
AMP
LIMITER
BPF
Detector Comparator
100kΩ
VCC
ROUT
GND
zTerminal description
Pin No. Pin name
1
VOUT
2
GND
3
VCC
Function
OUTPUT TERMINAL
GROUND
POWER SUPPLY
zElectrical, Optical characteristics (Unless otherwise noted, Ta = 25°C VCC=3V)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Consumption Current
ICC
−
300
500
µA No outside light, No signal input
Effective Distance
L
8
15
−
m Outer light condition Ee < 10 (Ix) ∗1
High Level Output Voltage
VH
2.5
−
−
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
−
36.7
−
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.
z Measurement Conditions
(1) Transmit signal
600µs
600µs
Carrier frequency=fo, Duty=50%
Fig.1 Transmit signal
Rev.A
2/6