RPM870-H7

RPM870-H7 Photo Link Module 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 Supply voltage Input voltage Operating temperature Storage temperature LED peak current Power dissipation ∗1 LED peak current : <90µsec, on duty < 20% Symbol VCC Vin Topr Tstg Ifp Pd Limits 7.0 −0.3~VCC+0.3 −20~+85 −30~+100 120 100 ∗1 Unit V V °C °C mA mW !Recommended operating conditions (Ta = 25°C) Parameter Supply voltage Symbol VCC VLEDA Min. 2.6 2.6 Typ. 3.0 3.0 Max. 3.6 5.5 Unit V V RPM870-H7 Photo Link Module !Block diagram and application circuit AMP GND 1 2 NC VCC VCC C1 GND GND AMP AMP 4 POWER DOWN PWDOWN 3 PWDOWN 5 RXD RXD 6 TXD TXD 7 LEDA (LEDVCC) Recommended values Part symbol C1 Recommended value 1µF, tantalum Ex.) T...