THVD1450DGKR
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Texas Instruments THVD1450DGKR

Manufacturer No:
THVD1450DGKR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TRANSCEIVER HALF 1/1 8VSSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The THVD1450DGKR is a 3.3-V to 5-V RS-485 transceiver produced by Texas Instruments. It is part of the THVD14xx family, designed to operate in rugged industrial environments. This device is known for its robustness against high levels of IEC electrical fast transients (EFT) and IEC electrostatic discharge (ESD) events, eliminating the need for additional system-level protection components. The THVD1450DGKR operates from a single supply between 3 V and 5.5 V and features an extended common-mode voltage range, making it suitable for multi-point applications over long cable runs.

Key Specifications

ParameterValue
PackageVSSOP (DGK) with 8 pins
Operating Temperature Range-40°C to 125°C
Supply Voltage3 V to 5.5 V
Differential Output Voltage≥ 2.1 V for PROFIBUS compatibility with 5-V supply
ESD Protection±30 kV HBM, ±18 kV IEC 61000-4-2 Contact Discharge, ±25 kV IEC 61000-4-2 Air-Gap Discharge, ±4 kV IEC 61000-4-4 Fast Transient Burst
Common-mode Voltage Range±15 V
Data RatesUp to 50 Mbps
Standby Supply Current< 1 µA
Operating Current< 3 mA
Bus NodesUp to 256 nodes (1/8 unit load)

Key Features

  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • Differential output exceeds 2.1 V for PROFIBUS compatibility with 5-V supply
  • Bus I/O ESD protection with ±30 kV HBM, ±18 kV IEC 61000-4-2 Contact Discharge, ±25 kV IEC 61000-4-2 Air-Gap Discharge, and ±4 kV IEC 61000-4-4 Fast Transient Burst
  • Extended operational common-mode range: ±15 V
  • Low EMI with data rates up to 50 Mbps
  • Large receiver hysteresis for noise rejection
  • Low power consumption with standby supply current < 1 µA and operating current < 3 mA
  • Glitch-free power-up/down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • Small-size VSON and VSSOP packages for space-constrained applications

Applications

  • Motor Drives
  • Factory Automation & Control
  • Grid Infrastructure
  • Building Automation
  • HVAC Systems
  • Video Surveillance
  • Process Analytics
  • Wireless Infrastructure

Q & A

  1. What is the operating temperature range of the THVD1450DGKR?
    The operating temperature range is -40°C to 125°C.
  2. What is the supply voltage range for the THVD1450DGKR?
    The supply voltage range is 3 V to 5.5 V.
  3. What level of ESD protection does the THVD1450DGKR offer?
    The device offers ±30 kV HBM, ±18 kV IEC 61000-4-2 Contact Discharge, ±25 kV IEC 61000-4-2 Air-Gap Discharge, and ±4 kV IEC 61000-4-4 Fast Transient Burst ESD protection.
  4. What are the data rates supported by the THVD1450DGKR?
    The device supports data rates up to 50 Mbps.
  5. How many bus nodes can the THVD1450DGKR support?
    The device can support up to 256 bus nodes (1/8 unit load).
  6. What is the standby supply current of the THVD1450DGKR?
    The standby supply current is less than 1 µA.
  7. What is the operating current of the THVD1450DGKR?
    The operating current is less than 3 mA.
  8. Does the THVD1450DGKR support hot plug-in capability?
    Yes, it supports glitch-free power-up/down for hot plug-in capability.
  9. What types of packages are available for the THVD1450DGKR?
    The device is available in VSSOP (DGK) and other packages like VSON and SOIC for different applications.
  10. What standards does the THVD1450DGKR comply with?
    The device meets or exceeds the requirements of the TIA/EIA-485A standard.

Product Attributes

Type:Transceiver
Protocol:RS485
Number of Drivers/Receivers:1/1
Duplex:Half
Receiver Hysteresis:30 mV
Data Rate:50Mbps
Voltage - Supply:3V ~ 5.5V
Operating Temperature:-40°C ~ 125°C (TA)
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 THVD1450DGKR THVD1550DGKR THVD2450DGKR THVD1410DGKR THVD1450DGK
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Type Transceiver Transceiver Transceiver Transceiver Transceiver
Protocol RS485 RS485 RS422, RS485 RS485 RS485
Number of Drivers/Receivers 1/1 1/1 1/1 1/1 1/1
Duplex Half Half Half Half Half
Receiver Hysteresis 30 mV 50 mV 250 mV 30 mV 30 mV
Data Rate 50Mbps 50Mbps 50Mbps 500kbps 50Mbps
Voltage - Supply 3V ~ 5.5V 4.5V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type 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)
Supplier Device Package 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP 8-VSSOP

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