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| Infrared IrDA Transceiver Module Feature Highlights * IrDA1.1, HP-SIR, and Sharp ASK compliant * Support IrDA data rates form 9.6Kbps to 4Mbps * Minimal external components * User programmable ambient light rejection filters * High performance -minimum detectable photocurrent of 250nA @4Mbps, 100nA @115Kbps - analog latency turn around time <100uS (typical) * Single +2.7V to +5V supply * Low power consumption <1 uA in shutdown mode * Wavelength : 870 nm UTS-413T Applications * Notebook and Subnotebook Computers * Desktop PCsPrinters PDAs * Telecommunication Products (Cellular PhonesPagers) * External Infrared Adapters (Dongles) * Digital Still and Video Cameras * Photo Imaging Printers Description The UTS-413T is a low cost, low power, multi-mode infrared transceiver module in a ultra slimline form factor ideally suited for portable wireless data communications and connectivity applications. The device consists of an infrared emitting diode (IRED), a photodiode (PIN), and a low power control IC integrated into a single package. Only a few external components are required to fully implement the module . Block Diagram SCLK/ SD vcc PIN AMP Filter Comparator RXD vcc Vref AMP Driver GND LEDC TXD Unity Opto Technology Co., Ltd. 1 REV A2 04/03/01 Infrared IrDA Transceiver Module I/O Pins Configuration Table Pin 1 2 3 4 5 6 7 8 Description LED Anode LED Cathode Transmitter Data Input Receiver Data Output Shutdown Mode Supply Voltage No Connection Ground UTS-413T Symbol LEDA LEDC TXD RXD SCLK/SD Vcc NC GND Application Circuit Front View Recommended Application Circuit Components 1. Vcc ( PIN 6 ) Connect a 1.0 ~ 10F capacitor to ground as close as possible to this pin. 2. RLEDA RLEDA is an optional resistor for current limiting in series with PIN 1. Recommended RLEDA values : VLEDA(V) RLEDA() 2.7 0 3.0 0 3.5 1.0 4.0 2.7 5.0 5.1 Unity Opto Technology Co., Ltd. 2 REV A2 04/03/01 Infrared IrDA Transceiver Module Package Outline With Dimensions 9.70 UTS-413T 3.80 1.00 0.50 7.00 4.60 4.15 1.75 PIN OUT 1 2 3 4 5 6 7 8 LEDA LEDC TXD RXD SLCK/SD Vcc NC GND NOTE: 1.All dimensions in milimeter. 2.Package dimensions tolerance 0.2mm unless otherwise noted. 1.85 3.00 Unity Opto Technology Co., Ltd. 3 REV A2 04/03/01 Infrared IrDA Transceiver Module Absolute Maximum Ratings Paramater Storage Temperature Operating Temperature Lead Solder Temperature Repetitive Pulsed LED Current Peak LED Current Supply Voltage Voltage at any pins UTS-413T Unit mA mA V V 90s Pulse Width 25% Duty Cycle 2 s Pulse Width 25% Duty Cycle Symbol Ts TA TJ ILED (RP) ILED (PK) Vcc Vmax Min. -25 -25 Max. 85 80 260 650 1000 Conditions -0.5 5.5 Vcc +0.3 Recommended Operating Conditions Paramater Operating Temperature Supply Voltage Symbol TA Vcc Min. -20 3.0 V TYP. Max. 75 5.0 V Conditions Electrical and Optical Characteristics Paramater Receiver Data Logic High Receiver Data Logic Low Transmitter Data Logic High Transmitter Data Logic Low Supply Current Shutdown Current Average Transmit LED Driver Current Radiant IRED Peak Wavelength Radiant IRED Wavelength Spectral Line Half Width Radiant IRED Viewing Angle Receiver PIN Viewing Angle Symbol VRXDH VRXDL VTXDH VTXDL Is IPD ITD p 1/2 21/2 21/2 Min. Vccx0.8 V TYP. Max. 0.2 V Conditions Into CMOS Load Into CMOS Load Into CMOS Load Vccx0.6 V Vccx0.4V 13 mA 0.1A 18 mA 1A 160 mA 870 nm 50 nm 30 degrees 30 degrees Into CMOS Load Receiver Mode SCLK/SD=1 90s Pulse Width 25% Duty Cycle If=20mA If=20mA Unity Opto Technology Co., Ltd. 4 REV A2 04/03/01 |
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