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THVD1419

Texas Instruments
Part Number THVD1419
Manufacturer Texas Instruments
Description 3.3-V to 5-V RS-485 transceivers
Published Oct 5, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community THVD1419, THVD1429 SLLSF32C – NO...
Datasheet PDF File THVD1419 PDF File

THVD1419
THVD1419

Overview
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 increase in reliability for better immunity to noise transients coupled to the data cable, eliminating the need for external protection components.
Each of these devices operates from a single 3.
3 V or 5 V supply.
The devices in this family feature a wide common-mode voltage range which makes them suitable for multi-point applications over long cable runs.
The THVD1419 and THVD1429 devices are available in the industry standard SOIC package for easy dropin without any PCB changes.
These devices are ...


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