THVD1424

Name: THVD1424
Brand: TI
SKU: THVD1424
Price: 0.887 USD

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

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Datenblatt

document-pdfAcrobat 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) (Englisch) PDF | HTML

THVD1424

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Datenblatt

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Produktdetails

Number of receivers

1

Number of transmitters

1

Duplex

Full, Half

Supply voltage (nom) (V)

3.3, 5

Signaling rate (max) (MBits)

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

Supply voltage (nom) (V)

3.3, 5

Signaling rate (max) (MBits)

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 x 3

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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	Typ	Titel		Datum
*	Data sheet	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 Mär 2023
	Application note	Flexible RS-485: A Simplified Multi-System Design for RS-485 Using the THVD1424	PDF \| HTML	13 Sep 2023
	White paper	Reduce System Design Time and Cost with Flexible RS-485 Transceivers (Rev. C)	PDF \| HTML	01 Jun 2023
	EVM User's guide	THVD1424 Evaluation Module (EVM) User Guide	PDF \| HTML	20 Sep 2022
	Certificate	THVD1424EVM EU RoHS Declaration of Conformity (DoC)		20 Sep 2022
	Technical article	Frequently asked questions and answers for RS-485 transceivers	PDF \| HTML	09 Apr 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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THVD1424

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

THVD1424

Produktdetails

Technische Dokumentation

Design und Entwicklung

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

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