ROHM RPM7157-R Technical data
RPM7157-R series
Photo Link Module
IR Receiver Module
RPM7157-R series
RPM7157-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
56.9kHz
zApplications
All household electric appliances su ch as TV, DVD, air conditioner and audio equ ipment.
zFeatures
1) Low current consumption. (1.0mA Typ.)
2) High ripple rejection.
3) 5 types of holders available for each set.
zRPM7157-R series
Unit
V
mA2.0Output Current lo
˚C
˚C
with holders
TOP VIEW
RSIP-A3 (H4)
15.9mm
TOP VIEW
RSIP-A3 (H8)
7.2mm
RPM7157-H8R
TOP VIEW
RSIP-A3 (H9)
12.0mm
∗RPM7157-H9R∗RPM7157-H5R
∗Under development
Straight type
RSIP-A3
Height to lens 5.5mm 4.8mm 15.0mm
Products No. RPM7157-R ∗RPM7157-V4R ∗RPM7157-H13R ∗RPM7157-H4R
L forming
RSIP-A3 V4
SIDE VIEW
RSIP-A3 (H13)
SIDE VIEW
RSIP-A3 (H5)
9.6mm
zAbsolute maximum ratings (Ta = 25°C)
Parameter Symbol
Supply Voltage V
Storage temperature
Operating temperature
CC
Tstg
Topr
Limits
−0.3 to +7.0
−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.A 1/7
Photo Link Module
zBlock diagram
I / V
AMP
BPF
Detector
RPM7157-R series
CC
V
22k
ComparatorLIMITER
R
OUT
zT ermina l description
Pin namePin No. Function
1R
2
3
OUT
GND
CC
V
OUTPUT TERMINAL
GROUND
POWER SUPPLY
zElectrical characteristics (Unless otherwise noted, T a = 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 100 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
L
−
8
4.5
−
400
400
−
−
−
1.0 mA No outside light, No signal input
15
−
−
600
600
56.9
45
35
1.6
0.5
800
−
−
CC=5V)
kHz−
deg
deg
m−
Outer light condition Ee < 10 (Ix)
V−
V
Isink=200µA
Outer light condition Ee < 10 (Ix) ∗1
µs
µs800
Outer light condition Ee < 10 (Ix) ∗1
z Measurement Conditions
(1) Transmit signal
∗1
∗1
∗1
∗2
∗2
600µs 600µs
Carrier frequency=fo, Duty=50%
Fig.1 Transmit signal
Rev.A 2/7
Photo Link Module
(2) Stand ard transmitter
λ peak=940nm
λ ∆=40nm
20cm
RPM-302B
RPM7157-R series
OUT
/ R
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 sou rce A)
(3) Measurement effective distance, horizont al & vertical half angle
RPM7157-R series
θ
θ
Standard transmitter
Light detector face
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.A 3/7
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