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THVD1424

AKTIV

RS-485-Transceiver mit Anstiegsratensteuerung, integrierter umschaltbarer Terminierung und Duplex-Sw

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Datenblatt

THVD1424

AKTIV
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Produktdetails

Number of receivers 1 Number of transmitters 1 Duplex Full, Half Logic voltage (min) (V) 1.65 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 1.65-V I/O supply, IEC ESD protection, PROFIBUS, Switchable termination resistor Isolated No Supply current (max) (µA) 3000 Rating Catalog Operating temperature range (°C) -40 to 125
Number of receivers 1 Number of transmitters 1 Duplex Full, Half Logic voltage (min) (V) 1.65 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 1.65-V I/O supply, IEC ESD protection, PROFIBUS, Switchable termination resistor Isolated No Supply current (max) (µA) 3000 Rating Catalog Operating temperature range (°C) -40 to 125
VQFN (RGT) 16 9 mm² (3 mm × 3 mm)
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V bus supply voltage
  • 1.65 V to 5.5 V supply for logic signals
  • Differential output exceeds 2.1 V for PROFIBUS compatibility with 5-V supply
  • Pin configurable Half-duplex and full-duplex
  • Pin controlled on-chip 120 Ω termination resistor on 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
  • Small, space-saving 16-VQFN (3 mm x 3 mm) package
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V bus supply voltage
  • 1.65 V to 5.5 V supply for logic signals
  • Differential output exceeds 2.1 V for PROFIBUS compatibility with 5-V supply
  • Pin configurable Half-duplex and full-duplex
  • Pin controlled on-chip 120 Ω termination resistor on 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
  • Small, space-saving 16-VQFN (3 mm x 3 mm) package

The THVD1424 is a flexible RS-485 transceiver for industrial applications. The device has features such as on-chip 120-Ω termination resistor, slew rate control and interchangeability between half and full duplex mode. All the features are pin-controlled. This enables the device to be used at any node location (end nodes or middle nodes) in any network, two-wire (half duplex) or 4-wire (full duplex), slow or fast. End-equipment designers can now design a common printed circuit board (PCB) and configure it via software for various application needs. This can save considerable design and qualification time for the customers.

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 3 to 5.5-V bus supply, while the logic supply voltage range is 1.65 V to 5.5 V. The wide common-mode voltage range and low input leakage on bus pins makes the devices suitable for multi-point applications over long cable runs.

The device is available in a space-saving, thermally efficient 16-pin VQFN package. The device is characterized for ambient temperatures from –40°C to 125°C.

The THVD1424 is a flexible RS-485 transceiver for industrial applications. The device has features such as on-chip 120-Ω termination resistor, slew rate control and interchangeability between half and full duplex mode. All the features are pin-controlled. This enables the device to be used at any node location (end nodes or middle nodes) in any network, two-wire (half duplex) or 4-wire (full duplex), slow or fast. End-equipment designers can now design a common printed circuit board (PCB) and configure it via software for various application needs. This can save considerable design and qualification time for the customers.

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 3 to 5.5-V bus supply, while the logic supply voltage range is 1.65 V to 5.5 V. The wide common-mode voltage range and low input leakage on bus pins makes the devices suitable for multi-point applications over long cable runs.

The device is available in a space-saving, thermally efficient 16-pin VQFN package. The device is characterized for ambient temperatures from –40°C to 125°C.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt THVD1424 3-V to 5.5-V RS-485 Transceiver With Slew Rate Control, Integrated120-Ohm Switchable Termination Resistor and Duplex Switching datasheet (Rev. A) PDF | HTML 28.03.2023
Anwendungshinweis Flexible RS-485: A Simplified Multi-System Design for RS-485 Using the THVD1424 PDF | HTML 13.09.2023
Whitepaper Reduce System Design Time and Cost with Flexible RS-485 Transceivers (Rev. C) PDF | HTML 01.06.2023
Zertifikat THVD1424EVM EU RoHS Declaration of Conformity (DoC) 20.09.2022
Technischer Artikel Frequently asked questions and answers for RS-485 transceivers PDF | HTML 09.04.2019

Design und Entwicklung

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Evaluierungsplatine

THVD1424EVM — THVD1424-Evaluierungsmodul für integrierte schaltbare Terminierung und Duplex-Switching RS-485

Das THVD1424EVM bietet eine schnelle Möglichkeit zur Evaluierung unseres RS-485-Vollduplex-Transceivers THVD1424 mit auswählbarer Datenrate und umschaltbaren integrierten Abschlusswiderständen im 16-VQFN (RJT)-Gehäuse.

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