SN65HVD78DGK
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Texas Instruments SN65HVD78DGK

Manufacturer No:
SN65HVD78DGK
Manufacturer:
Texas Instruments
Package:
Bulk
Description:
IC TRANSCEIVER HALF 1/1 8VSSOP
Delivery:
Payment:
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Product Introduction

Overview

The SN65HVD78DGK, manufactured by Texas Instruments, is a 3.3-V supply half-duplex RS-485 transceiver designed for demanding industrial applications. This device combines a differential driver and a differential receiver, operating from a single 3.3-V power supply. It is characterized by its robust ESD protection, extended industrial temperature range, and low power consumption, making it suitable for a variety of industrial and telecommunications environments.

Key Specifications

ParameterDescriptionValue
Supply Voltage3-V to 3.6-V3-V to 3.6-V
Package TypeVSSOP (8-pin)VSSOP (8-pin)
Body Size3.00 mm × 3.00 mm3.00 mm × 3.00 mm
Operating Temperature Range–40°C to 125°C–40°C to 125°C
Signaling Rate Options250 kbps, 20 Mbps, 50 Mbps250 kbps, 20 Mbps, 50 Mbps
ESD Protection±4 kV IEC 61000-4-4 Fast Transient Burst±4 kV IEC 61000-4-4 Fast Transient Burst
Quiescent Current< 1 mA< 1 mA
Standby Supply Current< 2 µA< 2 µA
Receiver Hysteresis80 mV80 mV

Key Features

  • Robust 3.3-V drivers and receivers with high levels of ESD protection to Human-Body Model and IEC Contact Discharge specifications.
  • Extended industrial temperature range from –40°C to 125°C.
  • Large receiver hysteresis (80 mV) for noise rejection.
  • Low unit-loading allows over 200 connected nodes.
  • Low power consumption with quiescent current < 1 mA and standby supply current < 2 µA.
  • 5-V tolerant logic inputs compatible with 3.3-V or 5-V controllers.
  • Glitch-free power-up and power-down bus inputs and outputs.

Applications

  • Factory Automation
  • Telecommunications Infrastructure
  • Motion Control

Q & A

  1. What is the operating voltage of the SN65HVD78DGK?
    The SN65HVD78DGK operates from a 3-V to 3.6-V supply voltage.
  2. What is the package type of the SN65HVD78DGK?
    The SN65HVD78DGK is available in an 8-pin VSSOP package.
  3. What is the temperature range for the SN65HVD78DGK?
    The device operates over an extended industrial temperature range from –40°C to 125°C.
  4. What are the signaling rate options for the SN65HVD78DGK?
    The device supports signaling rates of 250 kbps, 20 Mbps, and 50 Mbps.
  5. What level of ESD protection does the SN65HVD78DGK offer?
    The device offers ±4 kV IEC 61000-4-4 Fast Transient Burst ESD protection.
  6. How many nodes can be connected using the SN65HVD78DGK?
    The device allows for over 200 connected nodes due to its low unit-loading.
  7. Is the SN65HVD78DGK compatible with 5-V logic inputs?
    Yes, the device has 5-V tolerant logic inputs compatible with 3.3-V or 5-V controllers.
  8. What is the quiescent current of the SN65HVD78DGK?
    The quiescent current is less than 1 mA.
  9. What is the standby supply current of the SN65HVD78DGK?
    The standby supply current is less than 2 µA.
  10. What is the receiver hysteresis of the SN65HVD78DGK?
    The receiver hysteresis is 80 mV.

Product Attributes

Type:Transceiver
Protocol:RS422, RS485
Number of Drivers/Receivers:1/1
Duplex:Half
Receiver Hysteresis:80 mV
Data Rate:50Mbps
Voltage - Supply:3V ~ 3.6V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-VSSOP
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Similar Products

Part Number SN65HVD78DGK SN65HVD78DGKR SN65HVD71DGK SN65HVD72DGK SN65HVD74DGK SN65HVD75DGK SN65HVD77DGK
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active
Type Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver
Protocol RS422, RS485 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 1/1
Duplex Half Half Full Half Full Half Full
Receiver Hysteresis 80 mV 80 mV 70 mV 80 mV 70 mV 80 mV 70 mV
Data Rate 50Mbps 50Mbps 400kbps 250kbps 20Mbps 20Mbps 50Mbps
Voltage - Supply 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V 3V ~ 3.6V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP

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