# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ROHM RPM7237-H4R User Guide and Manual

Summary

This low-voltage Photo Link Module is a reliable IR receiver specialized for smart home integration and remote control signaling. It facilitates connectivity across various household appliances such as TVs, air conditioners, DVD players, and audio equipment. The manual provides comprehensive technical specifications, including electrical characteristics, operational guidelines, signal measurement methods (like burst waveform operation), and detailed application information, ensuring proper use in consumer electronics projects.

📄 Preview PAGE OF 7

Page 1 Text Content

RPM7237-R series

Photo Link Module

IR Receiver Module RPM7237-R series RPM7237-R series are remote control receiver module. Small-sized, light-weight, and low voltage operated (from 2.7V) modules have been achieved by using resin mold.

Center frequency 36.7k Hz

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

Features 1) Low voltage operation. (VCC=2.7 to 3.6V) 2) Low current consumption. (ICC=0.3m A, VCC=3V) 3) Superior anti VCC noise characteristics. 4) 5 types of holders available to each set.

RPM7237-R series

SIDE VIEW TOP VIEW

Sub carrier frequency

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

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

36.7k Hz ∗RPM7237-H13R RPM7237-H5R RPM7237-H4R RPM7237-H8R RPM7237-H9R ∗Under development

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

Supply Voltage VCC 6.3

Output current IO 2.0 m A Storage temperature Tstg −30 to +100 °C

−10 to +75Topr °COperating temperature voltage

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

Supply voltage VCC 3.0 3.6 V2.7

Rev.B 1/6

Page Summary Contents For ROHM RPM7237-H4R User Guide and Manual

Page 1 RPM7237-R series Photo Link Module IR Receiver Module RPM7237-R series RPM7237-R series are remote control receiver module. Small-sized, light-weight, and low voltage operated (from 2.7V) modules have...
Page 2 RPM7237-R series Photo Link Module Block diagram AMP Detector Comparator LIMITER I / V BPF Terminal description Pin name Pin No. Function VOUT OUTPUT TERMINAL GND GROUND VCC POWER SUPPLY Electrical, O...
Page 3 RPM7237-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 tran...
Page 4 RPM7237-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 RPM7237-R series Photo Link Module Notes (1) All characteristics of the receiver in this specification are specified by supplying burst wave form (Fig.1) with ROHM standard transmitter (Fig.2 ). If in...
Page 6 RPM7237-R series Photo Link Module Dimensions (Unit : mm) RSIP-A3 (H13) RSIP-A3 (H8) RSIP-A3 (H4) RSIP-A3 (H9) Pin No. 0.4 GND 0.60.6 VCC RSIP-A3 (H5) Rev.B 6/6
Page 7 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 7
File Size 146.39 KB
Published July 10, 2026
4 views

Enter the captcha to get the download link:

captcha

Frequently Asked Questions

What is the recommended operating voltage range?

The recommended supply voltage (VCC) for operation is between 2.7V and 3.6V.

Is this receiver suitable for various home appliances?

Yes, it can be used for household electric appliances like TV, DVD, air condition, and audio equipment.

How are the optimal measurement conditions measured?

Effective distance and half angles are measured under specific standard transmitter light detection face illuminance conditions (Fig.3).

What is a key precaution when using this receiver as a remote controller?

When used as a wireless remote, ensure that any non-standard signal formats or methods do not cause the receiver to malfunction.