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Reference Design
SN65HVD20, SN65HVD21, SN65HVD22, SN65HVD23, SN65HVD24
SLLS552F – DECEMBER 2002 – REVISED NOVEMBER 2016
SN65HVD2x Extended Common-Mode RS-485 Transceivers
1 Features
•1 Common-Mode Voltage Range (–20 V to 25 V) More Than Doubles TIA/EIA-485 Requirement
• Receiver Equalization Extends Cable Length, Signaling Rate (SN65HVD2[3,4])
• Reduced Unit-Load for up to 256 Nodes • Bus I/O Protection to Over 16-kV HBM • Failsafe Receiver for Open-Circuit, Short-Circuit,
and Idle-Bus Conditions • Low Standby Supply Current 1 µA (Maximum) • More Than 100 mV Receiver Hysteresis
2 Applications
• Long Cable Solutions – Factory Automation – Security Networks – Building HVAC
• Severe Electrical Environm