Manufacturer Part Number
MAX491CSD
Manufacturer
Maxim Integrated
Introduction
The MAX491CSD is a single-channel, full-duplex, RS-422/RS-485 transceiver designed for high-speed, multipoint data communications.
Product Features and Performance
Full-duplex, multipoint operation
5Mbps maximum data rate
70mV receiver hysteresis
Operates from 4.75V to 5.25V supply
Receiver input resistance: 12kΩ
Receiver input capacitance: 4pF
Receiver input common-mode range: ±12V
Receiver propagation delay: 300ns
Driver output resistance: 50Ω
Driver output short-circuit current: 250mA
Driver output common-mode voltage range: ±7V
Driver propagation delay: 300ns
Product Advantages
Supports high-speed, multipoint data communication
Low power consumption
Robust transceiver design
Key Technical Parameters
Supply Voltage: 4.75V to 5.25V
Maximum Data Rate: 2.5Mbps
Receiver Hysteresis: 70mV
Operating Temperature: 0°C to 70°C
Quality and Safety Features
RoHS non-compliant
Compatibility
Compatible with RS-422 and RS-485 standards
Application Areas
Industrial automation
Building automation
Telecommunications equipment
Medical equipment
Instrumentation
Product Lifecycle
Current product, no discontinuation or replacement plans identified
Several Key Reasons to Choose This Product
High-speed, full-duplex, multipoint data communication support
Low power consumption
Robust transceiver design
Compatibility with RS-422 and RS-485 standards
Suitable for a wide range of industrial and commercial applications