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3.3-V half-duplex RS-485 with IEC ESD, 250 kbps

SN65HVD72DRBR General Description

With the SN65HVD72DRBR, industrial applications can benefit from a reliable solution with robust 3.3-V drivers and receivers that can handle ESD events with ease. The differential driver and receiver combination simplifies communication in half-duplex configurations, while the wide common-mode voltage range ensures compatibility for multi-point setups over long distances. Operating within a temperature range of –40°C to 125°C, these devices offer consistent performance in challenging environments. Whether for industrial automation or communication systems, the SN65HVD72DRBR provides a versatile and dependable solution

Key Features

  • 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


The SN65HVD72DRBR is suitable for applications such as industrial automation, building automation, and medical equipment. It can be used in applications that require reliable data transmission over long distances, such as in factory automation, security systems, and point-of-sale systems.


Number of receivers 1 Number of transmitters 1
Duplex Half Supply voltage (nom) (V) 3.3
Signaling rate (max) (MBits) 0.25 IEC 61000-4-2 contact (±V) 12000
Fault protection (V) -13 to 16.5 Common-mode range (V) -7 to 12
Number of nodes 200 Features IEC ESD protection
Isolated No Supply current (max) (µA) 950
Rating Catalog Operating temperature range (°C) -40 to 125

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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In Stock: 5,429

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $2.092 $2.09
10+ $1.822 $18.22
30+ $1.654 $49.62
100+ $1.381 $138.10
500+ $1.303 $651.50
1000+ $1.269 $1,269.00

The prices below are for reference only.