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SN65HVD1780DR Datasheet(PDF) 1 Page - Texas Instruments |
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SN65HVD1780DR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page 1 FEATURES APPLICATIONS DESCRIPTION V upto70V FAULT M0092-02 SN65HVD1780 SN65HVD1781 SN65HVD1782 www.ti.com ...................................................................................................................................... SLLS877E – DECEMBER 2007 – REVISED SEPTEMBER 2008 70-V Fault-Protected RS-485 Transceivers with 3.3-V to 5-V Operation These devices combine a differential driver and a • Bus-Pin Fault Protection to > ±70 V differential receiver, which operate from a single • Operation With 3.3-V to 5-V Supply Range power supply. The driver differential outputs and the • ±16 kV HBM Protection on Bus Pins receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) • Reduced Unit Load for up to 320 Nodes communication. This port features a wide • Failsafe Receiver for Open-Circuit, common-mode voltage range, making the devices Short-Circuit and Idle-Bus Conditions suitable for multipoint applications over long cable • Low Power Consumption runs. These devices are characterized from –40°C to 125°C. These devices are pin-compatible with the – Low Standby Supply Current, 1 µA Max industry-standard SN75176 transceiver, making them – ICC 4 mA Quiescent During Operation drop-in upgrades in most systems. • Pin-Compatible With Industry-Standard These devices are fully compliant with ANSI TIA/EIA SN75176 485-A with a 5-V supply and can operate with a 3.3-V • Signaling Rates of 115 kbps, 1 Mbps, and up supply with reduced driver output voltage for to 10 Mbps low-power applications. For applications where operation is required over an extended common-mode voltage range, see the • HVAC Networks SN65HVD1785 (SLLS872) data sheet. • Security Electronics • Building Automation • Telecomm Equipment • Motion Control • Industrial Networks 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 Transceiver Signaling Rate Number of Nodes specification. HVD1780 Up to 115 kbps Up to 320 HVD1781 Up to 1 Mbps Up to 320 HVD1782 Up to 10 Mbps Up to 64 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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