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THVD1454

ACTIVE

3-V to 5.5-V half-duplex RS-485 transceiver with integrated 120-Ω switchable termination

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Data sheet

THVD1454

ACTIVE
Data sheet Order now

Product details

Number of receivers 1 Number of transmitters 1 Duplex Half Signaling rate (max) (Mbps) 20 IEC 61000-4-2 contact (±V) 8000 Fault protection (V) -16 to 16 Common-mode range (V) -7 to 12 Number of nodes 256 Features IEC ESD protection, PROFIBUS, Switchable termination resistor Isolated No Rating Catalog Operating temperature range (°C) -40 to 125
Number of receivers 1 Number of transmitters 1 Duplex Half Signaling rate (max) (Mbps) 20 IEC 61000-4-2 contact (±V) 8000 Fault protection (V) -16 to 16 Common-mode range (V) -7 to 12 Number of nodes 256 Features IEC ESD protection, PROFIBUS, Switchable termination resistor Isolated No Rating Catalog Operating temperature range (°C) -40 to 125
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V Supply voltage
  • Differential output exceeds 2.1 V for PROFIBUS compatibility with 5-V supply
  • Half-duplex RS-422/RS-485
  • Pin controlled on-chip 120 Ω termination resistor between the bus pins
  • Maximum Data rate configurable
    • SLR = High: 500 kbps
    • SLR = Low or floating: 20 Mbps
  • Bus I/O protection
    • ±16-kV HBM ESD
    • ±8-kV IEC 61000-4-2 Contact discharge
    • ±15-kV IEC 61000-4-2 Air gap discharge
    • ±4-kV IEC 61000-4-4 Fast transient burst
    • ±16-V bus fault protection (absolute max voltage on bus pins)
  • Extended industrial temperature range: -40°C to 125°C
  • Low power consumption
    • Shutdown supply current < 5 µA
    • Quiescent current during operation < 3 mA
  • Glitch-free power-up/power-down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 Unit load (Up to 256 bus nodes)
  • Small, space-saving thermally efficient 10-pin VSON package (3 mm x 3 mm)
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V Supply voltage
  • Differential output exceeds 2.1 V for PROFIBUS compatibility with 5-V supply
  • Half-duplex RS-422/RS-485
  • Pin controlled on-chip 120 Ω termination resistor between the bus pins
  • Maximum Data rate configurable
    • SLR = High: 500 kbps
    • SLR = Low or floating: 20 Mbps
  • Bus I/O protection
    • ±16-kV HBM ESD
    • ±8-kV IEC 61000-4-2 Contact discharge
    • ±15-kV IEC 61000-4-2 Air gap discharge
    • ±4-kV IEC 61000-4-4 Fast transient burst
    • ±16-V bus fault protection (absolute max voltage on bus pins)
  • Extended industrial temperature range: -40°C to 125°C
  • Low power consumption
    • Shutdown supply current < 5 µA
    • Quiescent current during operation < 3 mA
  • Glitch-free power-up/power-down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 Unit load (Up to 256 bus nodes)
  • Small, space-saving thermally efficient 10-pin VSON package (3 mm x 3 mm)

The bus pins are immune to high levels of IEC Contact Discharge ESD events, eliminating the need for additional system level protection components. The device operates from a single 3-V to 5.5-V supply. The wide common-mode voltage range and low input leakage on bus pins makes the device suitable for multi-point applications over long cable runs.

THVD1454 is available in space-saving thermally efficient 10-VSON package (3 mm x 3 mm). The device is characterized for ambient temperature from –40°C to 125°C.

The bus pins are immune to high levels of IEC Contact Discharge ESD events, eliminating the need for additional system level protection components. The device operates from a single 3-V to 5.5-V supply. The wide common-mode voltage range and low input leakage on bus pins makes the device suitable for multi-point applications over long cable runs.

THVD1454 is available in space-saving thermally efficient 10-VSON package (3 mm x 3 mm). The device is characterized for ambient temperature from –40°C to 125°C.
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Technical documentation

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* Data sheet THVD1454 3-V to 5.5-V Half Duplex RS-485 Transceiver With Integrated120 Ω Switchable Termination and Slew Rate Control datasheet (Rev. A) PDF | HTML Jul 21, 2023
White paper Reduce System Design Time and Cost with Flexible RS-485 Transceivers (Rev. C) PDF | HTML Jun 1, 2023
Certificate THVD1454EVM EU RoHS Declaration of Conformity (DoC) Sep 20, 2022

Design & development

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Evaluation board

THVD1454EVM — THVD1454 evaluation module for RS-485 transceiver with integrated 120-Ω switchable termination

The THVD1424EVM provides a quick way to evaluate TI’s THVD1454.  The THVD1454 is a half duplex RS-485 transceiver with selectable data rate and switchable integrated termination resistors in the 10-VSON (DRC) package.

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