ROHM RPM7138-H4R Technical data
RPM7138-R series
nt
Photo Link Module
IR Receiver Module
RPM7138-R series
RPM7138-R series are remote control receiver modules. Small-sized, light-weight, and low current consumption
modules have been achieved by using resin mold.
zCenter frequency
37.9kHz
zApplications
All household electric appliance s such as TV, DVD, air conditioner and audio equ ipment.
zFeatures
1) Low current consumption. (0.95mA Typ.)
2) High ripple rejection.
3) 5 types of holders available for each set.
zRPM7138-R series
with holders
TOP VIEW
RSIP-A3 (H4)
9.6mm5.5mmHeight to lens
Unit
V
mA2.0
°C
°C
15.9mm
RPM7138-H4R
TOP VIEW
RSIP-A3 (H8)
7.2mm
RPM7138-H8R
∗Under developme
TOP VIEW
RSIP-A3 (H9)
12.0mm
RPM7138-H9R
Products No.
Straight type
RSIP-A3
RPM7138-R RPM7138-V4R
L forming
RSIP-A3 V4
4.8mm
SIDE VIEW
RSIP-A3 (H13)
15.0mm
∗RPM7138-H13R
SIDE VIEW
RSIP-A3 (H5)
RPM7138-H5R
zAbsolute maximum ratings (Ta = 25°C)
Parameter Symbol
Supply Voltage V
Output Current
Storage temperature
Operating temperature
CC
Io
Tstg
Topr
Limits
6.3
−30 to +100
−10 to +75
zRecommended operating conditions (Ta = 25°C)
Parameter Symbol Min. Typ. Max. Unit
V
Supply Voltage
CC
5.0 V4.5 5.5
Rev.B 1/7
Photo Link Module
T
zBlock diagram
AMP
I / V BPF
Detector
RPM7138-R series
CC
V
22k
ComparatorLIMITER
R
OU
zT ermina l description
Pin namePin No. Function
1R
2
3
OUT
GND
V
CC
OUTPUT TERMINAL
GROUND
POWER SUPPLY
zElectrical, Optical characteristics (Unless otherwise noted, Ta = 25°C V
Parameter Symbol Min. Typ. Max. Unit Conditions
Consumption Current I
Effective Distance
High Level Output Voltage
Low Level Output Voltage
ON Pulse Width
OFF Pulse Width
Center frequency
Horizontal half angle
Vertical half angle
∗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.
CC
L
V
H
V
T
ON
T
OFF
fo
θ 1/2
θ 1/2
−
0.95 mA No outside light, No signal input
8
4.5
L
−
400
400
−
−
−
15
−
−
600
600
37.9
45
35
1.5
0.5
800
−
−
CC
=5V)
m−
Outer light condition Ee < 10 (Ix)
V−
V
µs
µs800
<
Isink 200µA
=
Outer light condition Ee < 10 (Ix) ∗1
Outer light condition Ee < 10 (Ix) ∗1
kHz−
deg
deg
z Measurement Conditions
(1) Transmit signal
∗1
∗1
∗1
∗2
∗2
600µs 600µs
Carrier frequency=fo, Duty=50%
Fig.1 Transmit signal
Rev.B 2/7
Photo Link Module
e
S
(2) Stand ard transmitter
λ peak=940nm
λ ∆=40nm
RPM7138-R series
OUT
/ R
20cm
RPM-302B
io=V
Standard transmitter
Fig.2 Measurement of standard transmitter proofreading
R
V
OUT
When standard transmitter output the signal at Fig.1 standard photodiode output become io=5µAp-p under the
measurement condition Fig.2.
(The radiant intensity of standard transmitter : 50mW / sr)
RPM-302B : standard photodiode has short current Isc=27 µA at E=1000(lx)
(using CIE standard light sour ce A)
(3) Measurement effective distance, horizont al & vertical half angle
RPM7138-R series
θ
θ
tandard transmitter
Light detector fac
illuminance : Ee
Effective distance : L
(θ ; Indicates horizontal and vertical directions)
Fig.3 Measurement condition for effective distance
Effective distance L : Effective distance at θ=0° Fig.3
Horizontal & vertical half angle θ : The angle which effective distance became 50% of L.
Rev.B 3/7
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