SN65HVD73

Product Folder Order Now Technical Documents Tools & Software Support & Community SN65HVD70, SN65HVD71, SN65HVD73 SN65HVD74, SN65HVD76, SN65HVD77 SLLSEI9G – MAY 2014 – REVISED OCTOBER 2019 SN65HVD7x 3.3-V Full-Duplex RS-485 Transceivers with ±12-kV IEC ESD 1 Features 1 1/8 Unit-load options available – Up to 256 Nodes on the bus Bus I/O Protection – > ±30-kV HBM protection – > ±12-kV IEC61000-4-2 Contact discharge – > ±4-kV IEC61000-4-4 Fast transient burst Extended industrial temperature range: –40°C to 125°C Large receiver hysteresis (70 mV) for noise rejection Low power consumption – < 1.1-mA Quiescent current during operation – Low Standby supply current: 10 nA Typical, < 5 µA (maximum) Glitch-free power-up and power-down protection for hot-plugging applications 5-V Tolerant logic inputs compatible with 3.3-V or 5-V controllers Signaling rate options optimized for: 400 kbps (70, 71), 20 Mbps (73, 74), 50 Mbps (76, 77) 2 Applications E-meters Industrial automation Building automation Security and surveillance Encoders and decoders 3 Description These devices extend the RS-485 portfolio with a family of full-duplex transceivers with robust 3.3-V drivers and receivers and high levels of ESD protection. The ESD protection includes > ±30-kV HBM and > ±12-kV IEC61000-4-2 contact discharge. The large receiver hysteresis of the SN65HVD7x devices provides immunity to conducted differential noise and the wide operating temperature enables reliability ...