PDF TFDU4300 Data sheet ( Hoja de datos )

Número de pieza	TFDU4300
Descripción	Infrared Transceiver Module
Fabricantes	Vishay
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No Preview Available ! VISHAY TFDU4300 Vishay Semiconductors Infrared Transceiver Module (SIR, 115.2 kbit/s) for IrDA® applications Description The TFDU4300 is a low profile (2.5 mm) infrared transceiver module with independent logic reference voltage (Vlogic) for low voltage IO interfacing. It is compliant to the latest IrDA physical layer standard for fast infrared data communication, supporting IrDA speeds up to 115.2 kbit/s (SIR) and carrier based remote control. The transceiver module consists of a PIN photodiode, an infrared emitter (IRED), and a low-power control IC to provide a total front-end solu- tion in a single package. This device covers an 18065 extended IrDA low power range of close to 1 m. With an external current control resistor the current can be adjusted for shorter ranges. This Vishay SIR transceiver is built in a new smaller package using the experiences of the lead frame BabyFace technology. The Rxd output pulse width is independent of the opti- cal input pulse width and stays always at a fixed pulse width thus making the device optimum for standard Endecs. TFDU4300 has a tri-state output and is float- ing in shut-down mode with a weak pull-up. Features • Compliant to the latest IrDA physical layer specification (9.6 kbit/s to 115.2 kbit/s) and TV Remote Control, bi-directional operation included. • Operates from 2.4 V to 5.5 V within specification over full temperature range from - 30 °C to + 85 °C • Logic voltage 1.5 V to 5.5 V is independent of IRED driver and analog supply voltage • Split power supply, transmitter and receiver can be operated from two power supplies with relaxed requirements saving costs, US Patent No. 6,157,476 • Extended IrDA Low Power Range to about 70 cm • Typical Remote Control Range 12 m • Low Power Consumption (< 0.12 mA Supply Current) • Power Shutdown Mode (< 5 µA Shutdown Current in Full Temperature Range, up to 85 °C) • Surface Mount Package, low profile (2.5 mm) - (L 8.5 mm × H 2.5 mm × W 2.9 mm) • High Efficiency Emitter • Low Profile (Universal) Package Capable of Surface Mount Soldering to Side and Top View Orientation • Directly Interfaces with Various Super I/O and Controller Devices as e.g. TOIM4232 • Tri-state-Receiver Output, floating in shut down with a weak pull-up • Compliant with IrDA Background Light Specification • EMI Immunity in GSM Bands > 300 V/m verified Applications • Ideal for Battery Operated Applications • Telecommunication Products (Cellular Phones, Pagers) • Digital Still and Video Cameras • Printers, Fax Machines, Photocopiers, Screen • Projectors • Medical and Industrial Data Collection • Diagnostic Systems • Notebook Computers, Desktop PCs, Palmtop Computers (Win CE, Palm PC), PDAs • Internet TV Boxes, Video Conferencing Systems • External Infrared Adapters (Dongles) • Data Loggers • GPS • Kiosks, POS, Point and Pay Devices including IrFM - Applications Document Number 82614 Rev. 1.4, 26-Jan-04 www.vishay.com 1 Free Datasheet http://www.datasheet4u.com/ 1 page VISHAY Electrical Characteristics TFDU4300 Vishay Semiconductors Transceiver Tested @ Tamb = 25 °C, VCC1 = VCC2 = 2.7 V to 5.5 V unless otherwise noted. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. Parameter Test Conditions Symbol Min Typ. Max Unit Supply voltage Remark: For 2.4 V < VCC1 < 2.6 V @ Tamb < - 25 °C a minor reduction of the receiver sensitivity may occur VCC1 2.4 5.5 V Idle supply current @ VCC1 (receive mode, no signal) SD = Low, Ee = 1 klx), Tamb = - 25 °C to + 85 °C, VCC1 = VCC2 = 2.7 V to 5.5 V ICC1 90 130 µA Idle supply current @ Vlogic (receive mode, no signal) SD = Low, Ee = 1 klx), Tamb = 25 °C, VCC1 = VCC2 = 2.7 V to 5.5 V SD = Low, Ee = 1 klx), Vlog, pin 7, no signal, no load @ Rxd ICC1 Ilog 75 µA 1 µA Average dynamic supply current, transmitting IIRED = 300 mA, 20 % Duty Cycle ICC 65 mA Standby supply current SD = High, T = 25 °C, Ee = 0 klx SD = High, T = 70 °C SD = High, T = 85 °C ISD ISD ISD 0.1 µA 2 µA 3 µA Standby supply current, Vlogic no signal, no load Ilog 1 µA Operating temperature range TA - 30 + 85 °C Output voltage low, Rxd CLoad = 15 pF VOL - 0.5 0.15 x Vlogic V Output voltage high, Rxd IOH = - 500 µA IOH = - 250 µA, CLoad = 15 pF VOH VOH 0.8 x Vlogic 0.9 x Vlogic Vlogic + 0.5 Vlogic + 0.5 V V Rxd to VCC1 impedance RRxd 400 500 600 kΩ Input voltage low (Txd, SD) VIL - 0.5 0.5 V Input voltage high (Txd, SD) CMOS level) VIH Vlogic - 0.5 6V Input leakage current (Txd, SD) Controlled pull down current VIN = 0.9 x Vlogic SD, Txd = "0" to "1", VIN < 0.15 Vlogic IICH IIRTx -2 +2 + 150 µA µA SD, Txd = "0" to "1", VIN > 0.7 Vlogic IIRTx -1 0 1 µA Input capacitance (Txd, SD) CIN 5 pF ) Standard illuminant A **) To provide an improved immunity with increasing Vlogic the typical threshold level is increasing with Vlogic and set to 0.5 x Vlogic. It is recommended to use the specified min/max values to avoid increased operating current. Document Number 82614 Rev. 1.4, 26-Jan-04 www.vishay.com 5 Free Datasheet 5 Page VISHAY Package Dimensions in mm TFDU4300 Vishay Semiconductors Document Number 82614 Rev. 1.4, 26-Jan-04 18100 www.vishay.com 11 Free Datasheet http://www.datasheet4u.com/ 11 Page

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