RF Integrated Circuit Chip TFDU4101-TR3 Infrared Transceiver Module for IrDA
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RF Integrated Circuit Chip TFDU4101-TR3 Infrared Transceiver Module for IrDA
Description
The TFDU4101 transceiver is an infrared transceiver module 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 modes. Integrated within the transceiver module are a photo PIN diode, an infrared emitter (IRED), and a low-power control IC to provide a total front-end solution in a single package. This device covers the full IrDA range of more than 1 m using the internal intensity control. With one external current control resistor the current can be adjusted for shorter ranges saving operating current operating in IrDA low power mode. This Vishay SIR transceiver is using the lead frame technology. The receiver output pulse duration is independent of the optical input pulse duration and recovers always a fixed pulse duration optimum for compatibility to standard Endecs and interfaces. TFDU4101 has a tristate output and is floating in shutdown mode with a weak pull-up.
Features
• Operates from 2.4 V to 3.6 V within specification over full temperature range from - 30 °C to + 85 °C
• Split power supply, transmitter and receiver can be operated from two power supplies with relaxed requirements saving costs, US - Patent No. 6,157,476
• Low power consumption (< 0.12 mA supply current in receive mode, no signal)
• Power shutdown mode (< 4 µA shutdown current in full temperature range, up to 85 °C, < 10 nA at 25 °C)
• Surface mount 4-mm package L 9.7 mm × W 4.7 mm × H 4.0 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
• Lead (Pb)-free device • Qualified for lead (Pb)-free and Sn/Pb processing (MSL4) • Device in accordance with RoHS 2002/95/EC and WEEE 2002/96EC
| Part | Description | Qty / Reel |
| TFDU4101-TR3 | Oriented in carrier tape for side view surface mounting | 1000 pcs |
| TFDU4101-TT3 | Oriented in carrier tape for top view surface mounting | 1000 pcs |
Definitions:
In the Vishay transceiver data sheets the following nomenclature is used for defining the IrDA operating modes: SIR: 2.4 kbit/s to 115.2 kbit/s, equivalent to the basic serial infrared standard with the physical layer version IrPhy: 1.0 MIR: 576 kbit/s to 1152 kbit/s FIR: 4 Mbit/s VFIR: 16 Mbit/s MIR and FIR were implemented with the physical layer standard IrPhy 1.1, followed by IrPhy 1.2, adding the SIR Low Power Standard. IrPhy 1.3 extended the Low Power Option to MIR and FIR and VFIR was added with IrPhy 1.4. A new version of the standard in any case obsoletes the former version.
Note:
We apologize to use sometimes in our documentation the abbreviation LED and the word Light Emitting Diode instead of Infrared Emitting Diode (IRED) for IR-emitters. That is by definition wrong; we are here following just a bad trend. Typical values are for design aid only, not guaranteed nor subject to production testing and may vary with time.
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