Product details

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (Nom) (V) 3.3 Signaling rate (Max) (Mbps) 0.25 IEC 61000-4-2 contact (+/- kV) 12 Fault protection (V) -13 to 16.5 Common mode range -7 to 12 Number of nodes 200 Features IEC ESD protection Isolated No ICC (Max) (mA) 0.95 Rating Catalog Operating temperature range (C) -40 to 125
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (Nom) (V) 3.3 Signaling rate (Max) (Mbps) 0.25 IEC 61000-4-2 contact (+/- kV) 12 Fault protection (V) -13 to 16.5 Common mode range -7 to 12 Number of nodes 200 Features IEC ESD protection Isolated No ICC (Max) (mA) 0.95 Rating Catalog Operating temperature range (C) -40 to 125
SOIC (D) 8 19 mm² 4.9 x 3.9 VSON (DRB) 8 9 mm² 3 x 3 VSSOP (DGK) 8 15 mm² 3 x 4.9
  • Small-size VSSOP Packages Save Board Space, or SOIC for Drop-in Compatibility
  • Bus I/O Protection
    • >±15 kV HBM Protection
    • >±12 kV IEC 61000-4-2 Contact Discharge
    • >±4 kV IEC 61000-4-4 Fast Transient Burst
  • Extended Industrial Temperature Range
    –40°C to 125°C
  • Large Receiver Hysteresis (80 mV) for Noise Rejection
  • Low Unit-Loading Allows Over 200 Connected Nodes
  • Low Power Consumption
    • Low Standby Supply Current: < 2 µA
    • ICC < 1 mA Quiescent During Operation
  • 5-V Tolerant Logic Inputs Compatible With
    3.3-V or 5-V Controllers
  • Signaling Rate Options Optimized for:
    250 kbps, 20 Mbps, 50 Mbps
  • Glitch Free Power-Up and Power-Down Bus Inputs and Outputs
  • Small-size VSSOP Packages Save Board Space, or SOIC for Drop-in Compatibility
  • Bus I/O Protection
    • >±15 kV HBM Protection
    • >±12 kV IEC 61000-4-2 Contact Discharge
    • >±4 kV IEC 61000-4-4 Fast Transient Burst
  • Extended Industrial Temperature Range
    –40°C to 125°C
  • Large Receiver Hysteresis (80 mV) for Noise Rejection
  • Low Unit-Loading Allows Over 200 Connected Nodes
  • Low Power Consumption
    • Low Standby Supply Current: < 2 µA
    • ICC < 1 mA Quiescent During Operation
  • 5-V Tolerant Logic Inputs Compatible With
    3.3-V or 5-V Controllers
  • Signaling Rate Options Optimized for:
    250 kbps, 20 Mbps, 50 Mbps
  • Glitch Free Power-Up and Power-Down Bus Inputs and Outputs

These devices have robust 3.3-V drivers and receivers in a small package for demanding industrial applications. The bus pins are robust to ESD events with high levels of protection to Human-Body Model and IEC Contact Discharge specifications.

Each of these devices combines a differential driver and a differential receiver which operate from a single 3.3-V power supply. The driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. These devices feature a wide common-mode voltage range making the devices suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 125°C.

These devices have robust 3.3-V drivers and receivers in a small package for demanding industrial applications. The bus pins are robust to ESD events with high levels of protection to Human-Body Model and IEC Contact Discharge specifications.

Each of these devices combines a differential driver and a differential receiver which operate from a single 3.3-V power supply. The driver differential outputs and the receiver differential inputs are connected internally to form a bus port suitable for half-duplex (two-wire bus) communication. These devices feature a wide common-mode voltage range making the devices suitable for multi-point applications over long cable runs. These devices are characterized from –40°C to 125°C.

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Technical documentation

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Type Title Date
* Data sheet SN65HVD7x 3.3-V Supply RS-485 With IEC ESD protection datasheet (Rev. H) 11 Mar 2019
User guide RS-485 Half-Duplex EVM User's Guide (Rev. C) 01 Sep 2021
Technical article Get Connected: How to operate your RS-485 links without termination 19 May 2016
Technical article RS-485 basics: the RS-485 receiver 09 Feb 2016
Technical article RS-485 basics: The RS-485 Driver 16 Jun 2015
Application note 2Q 2013 Issue Analog Applications Journal 16 Apr 2013
Application note RS-485 failsafe biasing: Old versus new transceivers 16 Apr 2013
User guide SN65HVD7x EVM User's Guide 09 Mar 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

RS485-FL-DPLX-EVM — RS-485 full-duplex evaluation module

The RS-485 full-duplex evaluation module (EVM) helps designers evaluate device performance, supporting fast development and analysis of data transmission systems using any of the SN65HVD147x, SN65HVD179x, SN65HVD3x, SN65HVD5x and SN65HVD7x full-duplex transceivers in a 14-pin D package.  The EVM (...)

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Evaluation board

RS485-HF-DPLX-EVM — RS-485 half-duplex evaluation module

The RS-485 half-duplex evaluation module (EVM) helps designers evaluate device performance, supporting fast development and analysis of data-transmission systems using any of the SN65HVD1x, SN65HVD2x, SN65HVD7x, SN65HVD8x and SN65HVD96 half-duplex transceivers. The EVM board comes without the RS-485 (...)
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Evaluation board

SN65HVD72EVM — SN65HVD72EVM evaluation module

The SN65HVD72EVM evaluation module (EVM) helps you evaluate device performance, supporting fast development and analysis of data transmission systems using the SN65HVD72, SN65HVD75 and SN65HVD78 transceivers. The EVM board comes with the SN65HVD75 (20 Mbps) device soldered to the board (...)

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Simulation model

SN65HVD72 IBIS Model

SLLM183.ZIP (43 KB) - IBIS Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
参考设计

TIDA-00202 — Interface to a HIPERFACE Position Encoder Reference Design

The TIDA-00202 reference design implements an EMC compliant industrial hybrid analog and digital interface to a HIPERFACE position encoder. A 3.3V supply RS485 transceiver with IEC-ESD and IEC-EFT protection is used for the bidirectional parameter channel. For the analog sin/cos signal channel (...)
参考设计

TIDA-00485 — Non-Isolated RS-485 to Wi-Fi Bridge with 24 VAC Power Reference Design

TIDA-00485 uses our SimpleLink Wi-Fi CC3200 Internet-on-a-chip wireless MCU module to create a data bridge between an RS-485 network and a Wi-Fi® network. The SN65HVD72 transceiver provides the RS-485 interface with 12 kV of ESD protection and additional protection is provided on board. The (...)
参考设计

TIDA-00203 — Compact CAN-to-Ethernet Converter using 32-bit ARM Cortex-M4F MCU Reference Design

This reference design demonstrates a small form-factor Controller Access Network (CAN)-to-Ethernet converter using the TM4C129XNCZAD 32-bit ARM&reg; Cortex&trade;-M4F MCU. Supporting 10/100 Base-T compliant with IEEE 802.3 standard, this reference design is useful for industrial drives (...)
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SOIC (D) 8 View options
SON (DRB) 8 View options
VSSOP (DGK) 8 View options

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