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ROHM RPM7157-R User Guide

Summary

RPM7157-R series IR receiver modules for remote control. 56.9kHz center frequency, 1.0mA typical current, high ripple rejection. Multiple holder configurations, 15m effective range, 3-pin (VCC/GND/OUT), 4.5V to 5.5V operation. For consumer electronics manufacturers adding IR reception in TVs, DVDs, air conditioners, and audio equipment.

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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.

Center frequency 56.9k Hz

Applications All household electric appliances such as TV, DVD, air conditioner and audio equipment.

Features 1) Low current consumption. (1.0m A Typ.) 2) High ripple rejection. 3) 5 types of holders available for each set.

RPM7157-R series

with holders

Straight type L forming RSIP-A3 RSIP-A3 V4 SIDE VIEW SIDE VIEW TOP VIEW TOP VIEW TOP VIEW

RSIP-A3 (H13) RSIP-A3 (H5) RSIP-A3 (H4) RSIP-A3 (H8) RSIP-A3 (H9)

Height to lens 5.5mm 4.8mm 15.0mm 9.6mm 15.9mm 7.2mm 12.0mm

Products No. RPM7157-R ∗RPM7157-V4R ∗RPM7157-H13R ∗RPM7157-H4R RPM7157-H8R ∗RPM7157-H9R∗RPM7157-H5R

∗Under development

Absolute maximum ratings (Ta = 25°C) Parameter Symbol Limits Unit

Supply Voltage VCC −0.3 to +7.0

lo m A2.0Output Current

Storage temperature Tstg −30 to +100 ˚C

Operating temperature Topr −10 to +75 ˚C

Recommended operating conditions (Ta = 25°C) Parameter Symbol Min. Typ. Max. Unit

Supply Voltage VCC 5.0 5.5 V4.5

Rev.A 1/7

Page Summary Contents For ROHM RPM7157-R User Guide

Page 1 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 ac...
Page 2 RPM7157-R series Photo Link Module Block diagram AMP Comparator LIMITER I / V BPF Detector Terminal description Pin name Pin No. Function ROUT OUTPUT TERMINAL GND GROUND VCC POWER SUPPLY Electrical ch...
Page 3 RPM7157-R series Photo Link Module (2) Standard transmitter λ peak=940nm λ ∆=40nm 20cm Io=VOUT / R RPM-302B Standard transmitter Fig.2 Measurement of standard transmitter proofreading When standard tr...
Page 4 RPM7157-R series Photo Link Module (4) Output signal Transmit signal Carrier frequency=f0 Carrier Duty=50% Output signal VH 1/2 VCC VL TON TOFF Fig.4 (5) Measurement circuit for the output voltage and...
Page 5 RPM7157-R series Photo Link Module How to use the receiver without holder Please use the receiver with shield case or shield plate as an EMI noise measures. (Shield case and shield plate are required ...
Page 6 RPM7157-R series Photo Link Module ai : ( d B el at iv ef fe ct iv di st an ce Electrical and optical characteristics curves −4 −3 −2 −1 fo +1 +2 +3 +4 Wave length : λ (nm) Frequency : (k Hz) Fig.7 Op...
Page 7 RPM7157-R series Photo Link Module Dimensions (Unit : mm) RSIP-A3 (H13) RSIP-A3 (H8) RSIP-A3 9. 0M ax 1.80 6. 9. 0M ax 2. 4. in 6. 20.0min RSIP-A3 (H4) RSIP-A3 (H9) RSIP-A3 V4 0. 0.5 Pin No. 4.61.4 Ro...
Page 8 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject...

Manual Details

Brand ROHM
Pages 8
File Size 156.07 KB
Published June 16, 2026
1 views

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Frequently Asked Questions

What is the center frequency of the RPM7157-R series?

The center frequency is 56.9kHz.

What is the typical consumption current of this module?

The typical consumption current is 1.0mA.

What is the operating temperature range?

The operating temperature range is -10 to +75°C.

What devices are these modules used in?

They are used in household appliances like TV, DVD, air conditioner and audio equipment.