Manufacturer Part Number
LTC2857HDD-1#PBF
Manufacturer
Analog Devices
Introduction
The LTC2857HDD-1#PBF is a rugged, high-speed RS422/RS485 Transceiver, designed to operate within a wide temperature range and suitable for full-duplex communications.
Product Features and Performance
Supports RS422 and RS485 protocols
Full duplex communication capability
High-speed data rates up to 20Mbps
Receiver Hysteresis of 25 mV ensures improved noise immunity
Operates with a single 5V supply (4.5V to 5.5V)
Integrated protection features for enhanced reliability
Product Advantages
High data integrity and speed for RS422 and RS485 communications
Robust operation in industrial temperature ranges from -40°C to 125°C
Compact 8-WFDFN package suits space-constrained applications
Enhanced ESD protection
Key Technical Parameters
Data Rate: 20Mbps
Operating Voltage: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package: 8-WFDFN Exposed Pad
Receiver Hysteresis: 25 mV
Quality and Safety Features
ESD protection
Thermal shutdown protection
Overcurrent protection
Compatibility
Compatible with RS422 and RS485 standards
Application Areas
Industrial automation
Telecommunication systems
Data networks
High-speed data acquisition
Product Lifecycle
Status: Active
No current indications of discontinuation, replacements, or upgrades available
Several Key Reasons to Choose This Product
High-speed operation (20Mbps) suitable for demanding applications
Wide operating temperature range (-40°C to 125°C) allows use in extreme environments
Small form factor (8-WFDFN package) ideal for compact installations
Comprehensive protective features ensure long-term reliability and safety
Compatibility with popular RS422 and RS485 communication standards provides flexibility in system design and integration.