ROHM RPM872-H12 Infrared Communication Module Datasheet

RPM872-H12 is an infrared communication module for IrDA Ver. 1.2 (Low Power). It integrates infrared LED, PIN photo diode, and LSI into a single package. The module is designed with power down function and low current consumption at stand-by mode. The ultra small package makes it a perfect fit for mobile devices.


ROHM RPM872-H12 Infrared Communication Module Datasheet - cover page
Brand
ROHM
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
7
File format
PDF
File size
90 KB
Published
01 June, 2012
Updated
29 September, 2023
Model
RPM872
MD5 checksum
81333D20C43027A6B742C1AC29210178

About this manual

The RPM872-H12 is a compact infrared communication module that integrates an infrared LED, PIN photodiode, driver and receiver in a single package. It is designed for low‑power IrDA Ver.1.2 applications and includes a power‑down function for reduced standby current, making it suitable for mobile devices such as phones, PDAs and digital cameras.

Key features include surface‑mount packaging, operation from 1.5 V to 7 V, transmission rates from 24 kbps to 115.2 kbps, and detailed electrical and optical specifications. The datasheet provides pin descriptions, block diagrams, timing charts, recommended external components, and layout guidelines to aid designers in implementing the module.

What's inside

  • Features
  • Applications
  • Absolute maximum ratings
  • Recommended operating conditions
  • Terminal description
  • Electrical characteristics
  • Optical characteristics
  • Timing chart
  • Design notes
  • Appendix

Specifications

Supply voltage (max)7.0 V
Transmission rate24 kbps – 115.2 kbps
Peak wavelength850 nm – 900 nm
LED anode current (max)30.5 mA
Typical consumption current (no light)75 µA

Frequently asked questions

What devices can use the RPM872-H12 module?

It is applicable to mobile phones, PDAs, DVCs, digital still cameras, printers, handy terminals, and similar devices.

What is the operating voltage range for the module?

The module can be powered up to 7.0 V, with a typical operating voltage of around 3.0 V.

How does the power‑down function work?

When the PWDOWN pin is driven high, the receiving circuit stops, reducing current consumption and turning off the LED.

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