THVD1419

Product Folder Order Now Technical Documents Tools & Software Support & Community THVD1419, THVD1429 SLLSF32C – NOVEMBER 2018 – REVISED MARCH 2019 THVD14x9 3.3-V to 5-V RS-485 transceivers with surge protection 1 Features 1 Meets or Exceeds the Requirements of the TIA/EIA-485A Standard 3 V to 5.5 V Supply Voltage Bus I/O Protection – ± 16 kV HBM ESD – ± 8 kV IEC 61000-4-2 Contact Discharge – ± 30 kV IEC 61000-4-2 Air-Gap Discharge – ± 4 kV IEC 61000-4-4 Electrical Fast Transient – ± 2.5 kV IEC 61000-4-5 1.2/50-μs Surge Available in Two Speed Grades – THVD1419: 250 kbps – THVD1429: 20 Mbps Extended Ambient Temperature Range: -40°C to 125°C Extended Operational Common-Mode Range: ± 12 V Receiver Hysteresis for Noise Rejection: 30 mV Low Power Consumption – Standby Supply Current: < 2 µA – Current During Operation: < 3 mA Glitch-Free Power-Up/Down for Hot Plug-in Capability Open, Short, and Idle Bus Failsafe 1/8 Unit Load (Up to 256 Bus Nodes) Industry Standard 8-Pin SOIC for Drop-in Compatibility 2 Applications Wireless Infrastructure Building Automation HVAC Systems Factory Automation & Control Grid Infrastructure Smart Meters Process Analytics Video Surveillance 3 Description THVD1419 and THVD1429 are half-duplex RS-485 transceivers with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature provides a substantial incr...