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RPM870-H7

IrDA wireless communication transceiver IC (supports Ver. 1.2 Low Power)

ROHM Semiconductor 

Photo Link Module

RPM870-H7

IrDA wireless communication transceiver

IC (supports Ver. 1.2 Low Power)

RPM870-H7

The RPM870-H7 is an Module that supports IrDA Ver. 1.2 (Low Power), and is ideal for wireless communications.

An infrared LED, a pin-photo diode, and a receiver frequency formation LSI are all contained in a very small single

package. It is also equipped with low power consumption and power down functions making this IC perfect for mobile

sets.

!Features

1) Supports IrDA Ver. 1.2. (Low Power)

2) Low power consumption while standing by for receiving (75µA Typ.).

3) A power-down function is perfect for battery applications.

4) Supports a board power supply voltage range from 2.6V to 3.6V.

5) Only 1 external capacitor required.

!Applications

Mobile phones, PDAs, and others

!Absolute maximum ratings (Ta = 25°C)

Parameter

Symbol

Limits

Unit

Supply voltage

VCC

7.0

V

Input voltage

Vin

−0.3~VCC+0.3

V

Operating temperature

Topr

−20~+85

°C

Storage temperature

LED peak current

Tstg

Ifp

−30~+100

°C

120 ∗1

mA

Power dissipation

Pd

∗1 LED peak current : <90µsec, on duty < 20%

100

mW

!Recommended operating conditions (Ta = 25°C)

Parameter

Symbol Min. Typ. Max. Unit

Supply voltage

VCC

2.6

3.0

3.6

V

VLEDA

2.6

3.0

5.5

V

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