Manufacturer Part Number
ST485BDR
Manufacturer
STMicroelectronics
Introduction
The ST485BDR is a low power transceiver for RS-485 and RS-422 communication.
Product Features and Performance
Supports RS-422 and RS-485 protocols
Low power consumption
Driver and receiver in one package
Thermal shutdown protection
-40°C to 85°C operating temperature range
Allows up to 32 transceivers on the bus
Designed for half-duplex communication
Product Advantages
High data rate capability up to 2.5Mbps
Integrates receiver hysteresis for noise rejection
Robust ESD protection
Industry-standard 8-SOIC package
Key Technical Parameters
Data Rate: 2.5Mbps
Voltage - Supply: 4.75V to 5.25V
Number of Drivers/Receivers: 1/1
Receiver Hysteresis: 70mV
Protocol: RS422, RS485
Quality and Safety Features
Thermal overload protection
Short-circuit protection
ESD protection
Compatibility
Compatible with RS-422 and RS-485 standards
Application Areas
Industrial control systems
Building automation
Networked communication systems
Product Lifecycle
Status: Active
Not currently nearing discontinuation
Replacements or upgrades typically available for long-term support
Several Key Reasons to Choose This Product
Supports multiple drivers and receivers on a single bus
Efficient power consumption extends system reliability
High speed and robust signal integrity
Direct replacement for other standard RS-485/RS-422 transceivers
Suitable for harsh industrial environments due to wide temperature range
Future-proof with active product lifecycle status
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