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SN65HVD1781DG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN65HVD1781DG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page 1 FEATURES APPLICATIONS DESCRIPTION V upto70V FAULT M0092-02 SN65HVD1780 SN65HVD1781 SN65HVD1782 www.ti.com ............................................................................................................................................. SLLS877D – DECEMBER 2007 – REVISED AUGUST 2008 70-V Fault-Protected RS-485 Transceivers • Bus-Pin Fault Protection to > ±70 V • Signaling Rates of 115 kbps, 1 Mbps, and up to 10 Mbps • Operation With 3.3-V to 5-V Supply Range • ±16 kV HBM Protection on Bus Pins • Reduced Unit Load for up to 320 Nodes • HVAC Networks • Failsafe Receiver for Open-Circuit, • Security Electronics Short-Circuit and Idle-Bus Conditions • Building Automation • Low Power Consumption • Telecomm Equipment – Low Standby Supply Current, 1 µA Max • Motion Control – ICC 4 mA Quiescent During Operation • Industrial Networks • Pin-Compatible With Industry-Standard SN75176 These devices are designed to survive overvoltage faults such as direct shorts to power supplies, mis-wiring faults, connector failures, cable crushes, and tool mis-applications. The internal current-limit circuits allow fault survivability without causing the high bus currents that otherwise might damage external components or power supplies. They are also robust to ESD events, with high levels of protection to the JEDEC or IEC human-body-model specification. These devices combine a differential driver and a differential receiver, which operate from a single power supply. The driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. This port features a wide common-mode voltage range, making the devices suitable for multipoint applications over long cable runs. These devices are characterized from –40°C to 125°C. These devices are pin-compatible with the industry-standard SN75176 transceiver, making them drop-in upgrades in most systems. These devices are fully compliant with ANSI TIA/EIA 485-A with a 5-V supply and can operate with a 3.3-V supply with reduced driver output voltage for low-power applications. For applications where operation is required over an extended common-mode voltage range, see the SN65HVD1785 (SLLS872) data sheet. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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