Part Number: SN65HVD72DR

Manufacturer: Texas Instruments


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of SN65HVD72DR

Datasheet  SN65HVD72DR datasheet
Category Integrated Circuits (ICs)
Family Interface – Drivers, Receivers, Transceivers
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Type Transceiver
Protocol RS422, RS485
Number of Drivers/Receivers 1/1
Duplex Half
Receiver Hysteresis 80mV
Data Rate 250kbps
Voltage – Supply 3 V ~ 3.6 V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154″, 3.90mm Width)
Supplier Device Package 8-SOIC

SN65HVD72DR Introduction

A half-duplex transceiver developed for tough industrial applications is the SN65HVD72DR. The device has bus pins protected against ESD events to Human-Body Model and IEC Contact Discharge requirements, together with reliable 3.3-V drivers and receivers in a compact design. A single 3.3-V power supply powers the differential driver and receiver in a single unit. Internal connections are made between the driver outputs and receiver inputs to provide a bus port that supports half-duplex communication. Additionally, the device has a broad common-mode voltage range, which makes it appropriate for multi-point applications over lengthy wire runs. This guide will comprehensively explain the SN65HVD72DR’s features, attributes, and uses.

SN65HVD72DR Features

A versatile transceiver with a number of essential functions, the SN65HVD72DR is appropriate for a broad range of industrial applications. Its most significant characteristics include:

  • Strong 3.3-V Drivers and Receivers: The device has drivers and receivers to endure extreme conditions in industrial settings. These parts’ sturdy construction guarantees that the gadget will work properly even with EMI, electrical noise, and other interference.
  • ESD Protection: The device’s bus pins are protected against ESD events in accordance with the requirements of the Human-Body Model and the IEC Contact Discharge, guaranteeing that the device can resist voltage spikes and other transient events that could harm electronic components.
  • Half-Duplex Communication: The SN65HVD72DR is intended for applications involving half-duplex communication, in which data is sent over a single pair of wires in both directions. As a result, a wide range of applications, such as industrial control systems, motor control, and automotive systems, can benefit from it.
  • Wide Common-Mode Voltage Range: The device’s -7V to 12V common-mode voltage range suits it for multi-point applications over long cable runs.
  • Compact Electronic Systems: The SN65HVD72DR is offered in a small package, making it simple to integrate into small electronic systems.
  • Small-Size Packages: The device is available in small VSSOP packages, which save board space and make it easier to integrate into compact electronic systems. Alternatively, the device is available in SOIC packages, allowing drop-in compatibility with existing designs.
  • Bus I/O Protection: The device features robust protection for its bus I/O pins, including ±15 kV HBM protection and ±12 kV IEC 61000-4-2 Contact Discharge. It also has ±4 kV IEC 61000-4-4 Fast Transient Burst protection.
  • Extended Industrial Temperature Range: Because the device can function in a wide temperature range, from -40°C to 125°C, it can be used in tough industrial settings.
  • The SN65HVD72DR has a wide receiver hysteresis of 80 mV, which enables noise rejection in busy industrial settings.
  • Low Unit-Loading: The bus can support more than 200 connected nodes due to the device’s low unit-loading.
  • Low Power Consumption: With a quiescent current of less than 1 mA and a standby supply current of less than 2 A, the SN65HVD72DR is engineered to use little power while in use.
  • The device’s logic inputs are 5-V tolerant, making it simple to incorporate into various electronic systems. The device’s logic inputs are compatible with both 3.3-V and 5-V controllers.
  • The device supports multiple signalling rate options, including 250 kbps, 20 Mbps, and 50 Mbps. Based on the application’s particular needs, these parameters can be optimized.
  • Bus inputs and outputs on the device can power on and off without experiencing any glitches, ensuring consistent communication during these transitions.
  • The SN65HVD72DR has a half-duplex communication interface that enables two-way communication between devices connected to the same bus. Applications that need bidirectional communication, such as industrial automation systems, can benefit from this.
  • Wide Common-Mode Voltage Range: The device is excellent for multi-point applications over long wire runs because of its wide common-mode voltage range. Long wire lines are typical in industrial environments, where this functionality can be quite helpful.
  • Strong ESD Protection: The device’s bus pins have strong ESD protection, meeting both Human-Body Model (HBM) and IEC Contact Discharge requirements. This makes it possible to maintain dependable functioning despite ESD events.
  • Design for High Reliability: The SN65HVD72DR incorporates features like overvoltage and thermal shutdown protection for high reliability. Long-term reliability is ensured, and these characteristics protect the gadget from damage brought on by outside forces.
  • Simple Device Operation: The device is simple to operate and requires few external components, which can simplify system design and lower costs.
  • The device has flexible power supply options and is simple to integrate into various electrical systems because of its ability to run off just a single 3.3-V power source. Additionally, it has a broad supply voltage range of 3 V to 5.5 V that enables flexible power supply design.

All things considered, the SN65HVD72DR is a flexible and dependable tool that is ideal for use in tough industrial settings. It is a preferred option for various applications due to its strong protective features, low power consumption, and adaptable architecture.

SN65HVD72DR Applications

There are numerous industrial applications that the SN65HVD72DR is appropriate for, including:

  • Industrial Control Systems: To ensure dependable communication between sensors, actuators, and control systems, the device can be employed in industrial control systems.
  • Motor Control: To ensure dependable communication between motor control systems and drivers, the SN65HVD72DR can be employed in motor control applications.
  • Automotive Systems: The gadget can be used in automobile safety, powertrain, and body electronics systems.
  • Instrumentation: The SN65HVD72DR can be utilized in data acquisition and control systems, among other instrumentation applications.

SN65HVD72DR Specifications

With various features, the SN65HVD72DR is appropriate for use in severe industrial settings. Its primary specifications are the following:

  • Operating Voltage: A single 3.3-V power source powers the device.
  • The gadget can operate from -40°C to 125°C, making it appropriate for usage in tough industrial settings.
  • The device can handle data speeds of up to 1 Mbps.
  • A wide common-mode voltage range of -7V to 12V is supported by the device.
  • ESD Protection: The system complies with IEC Contact Discharge and Human-Body Model ESD protection requirements.


The SN65HVD72DR, in conclusion, is a dependable and adaptable transceiver that can satisfy the requirements of numerous industrial applications. It is a popular option among developers thanks to glitch-free power-up and power-down, low power consumption, and an intuitive UI. ICRFQ’s superior quality and reasonable prices also make it a widely available option.

Whether you are an experienced electrician or a beginner, the SN65HVD72DR is a great option for your next endeavour. The SN65HVD72DR is one of the many affordable electronic components we provide at ICRFQ. Please don’t hesitate to contact us with questions or orders; our staff is always happy to help. Experience top-notch performance in your industrial applications when you choose the SN65HVD72DR.

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