SN65HVD1780DRG4
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Texas Instruments SN65HVD1780DRG4

Manufacturer No:
SN65HVD1780DRG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TRANSCEIVER HALF 1/1 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The SN65HVD1780DRG4 is a 70-V fault-protected RS-485 transceiver manufactured by Texas Instruments. This device is designed to provide robust and reliable communication in harsh environments, making it suitable for a wide range of industrial and commercial applications. It combines a differential driver and a differential receiver, operating from a single power supply, and is fully compliant with the ANSI TIA/EIA 485-A standard. The SN65HVD1780DRG4 is available in an 8-pin SOIC package and operates over a temperature range of -40°C to 125°C.

Key Specifications

ParameterValueUnit
Package TypeSOIC (8-pin)-
Body Size4.90 mm × 3.91 mm-
Operating Temperature Range-40°C to 125°C-
Supply Voltage Range3.3 V to 5 VV
Driver Output VoltageUp to 5 V (reduced for 3.3 V supply)V
Common-Mode Voltage RangeUp to ±70 VV
Data RateUp to 1 Mbps-
ESD Protection±16 kV Human Body Model (HBM)-

Key Features

  • Fault Protection: The device is designed to survive overvoltage faults up to ±70 V and mis-wiring faults, cable crushes, and tool mis-applications.
  • ESD Protection: Internal ESD protection circuits protect the transceiver bus terminals against ±16 kV human body model (HBM) electrostatic discharges.
  • Hot-Plugging Capability: The device is designed for hot swap or hot pluggable applications with power-up and power-down glitch-free operation and default disabled input and output pins.
  • Receiver Failsafe: Internal biasing of the receiver input thresholds ensures the receiver output remains logic high under bus-idle, bus-short, or open bus conditions.
  • Compliance: Fully compliant with ANSI TIA/EIA 485-A standard.

Applications

The SN65HVD1780DRG4 is suitable for various applications requiring robust RS-485 communication, including:

  • Industrial automation and control systems.
  • Building automation and HVAC systems.
  • Medical devices and equipment.
  • Aerospace and defense systems.
  • Automotive systems, especially those requiring high reliability and fault tolerance.

Q & A

  1. What is the operating temperature range of the SN65HVD1780DRG4?
    The operating temperature range is -40°C to 125°C.
  2. What is the maximum data rate supported by the SN65HVD1780DRG4?
    The device supports data rates up to 1 Mbps.
  3. Is the SN65HVD1780DRG4 compliant with any industry standards?
    Yes, it is fully compliant with the ANSI TIA/EIA 485-A standard.
  4. What type of ESD protection does the SN65HVD1780DRG4 offer?
    The device offers ±16 kV Human Body Model (HBM) ESD protection.
  5. Can the SN65HVD1780DRG4 operate in hot-plugging applications?
    Yes, it is designed for hot swap or hot pluggable applications with glitch-free operation.
  6. What is the common-mode voltage range of the SN65HVD1780DRG4?
    The device can handle common-mode voltages up to ±70 V.
  7. What are the supply voltage options for the SN65HVD1780DRG4?
    The device operates with supply voltages ranging from 3.3 V to 5 V.
  8. Is the SN65HVD1780DRG4 pin-compatible with any other transceivers?
    Yes, it is pin-compatible with the industry-standard SN75176 transceiver.
  9. What kind of fault protection does the SN65HVD1780DRG4 offer?
    The device is designed to survive overvoltage faults up to ±70 V and other types of faults such as mis-wiring and cable crushes.
  10. Does the SN65HVD1780DRG4 require external failsafe biasing resistors?
    No, it provides internal biasing of the receiver input thresholds, eliminating the need for external failsafe biasing resistors.

Product Attributes

Type:Transceiver
Protocol:RS422, RS485
Number of Drivers/Receivers:1/1
Duplex:Half
Receiver Hysteresis:50 mV
Data Rate:115Kbps
Voltage - Supply:3.15V ~ 5.5V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Similar Products

Part Number SN65HVD1780DRG4 SN65HVD1782DRG4 SN65HVD1785DRG4 SN65HVD1786DRG4 SN65HVD1781DRG4 SN65HVD1780DG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key Discontinued at Digi-Key
Type Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver
Protocol RS422, RS485 RS422, RS485 RS422, RS485 RS422, RS485 RS422, RS485 RS422, RS485
Number of Drivers/Receivers 1/1 1/1 1/1 1/1 1/1 1/1
Duplex Half Half Half Half Half Half
Receiver Hysteresis 50 mV 50 mV 50 mV 50 mV 50 mV 50 mV
Data Rate 115Kbps 10Mbps 115Kbps 1Mbps 1Mbps 115Kbps
Voltage - Supply 3.15V ~ 5.5V 3.15V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 3.15V ~ 5.5V 3.15V ~ 5.5V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 105°C -40°C ~ 105°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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