ADM2486 Maximum Ratings
Parameter Rating
VDD1 −0.5 V to +7 V
VDD2 −0.5 V to +6 V
Digital Output Voltage
RxD −0.5 V to VDD1 + 0.5 V
DE −0.5 V to VDD2 + 0.5 V
Driver Output/Receiver Input Voltage −9 V to +14 V
Operating Temperature Range −40°C to +85°C
Storage Temperature Range −55°C to +150°C
Average Output Current per Pin −35 mA to +35 mA
JA Thermal Impedance 73°C/W
Lead Temperature
Soldering (10 sec) 260°C
Vapor Phase (60 sec) 215°C
Infrared (15 sec) 220°C
ADM2486 Features
Half-duplex, isolated RS-485 transceiver
PROFIBUS®-compliant
ANSI EIA/TIA 485-A and ISO 8482: 1987(E) compliant
20 Mbps data rate
5 V or 3 V operation (VDD1)
High common-mode transient immunity: >25 kV/s
Isolated DE status output
Receiver open-circuit, fail-safe design
Thermal shutdown protection
50 nodes on bus
Safety and regulatory approvals
UL recognition-2500 Vrms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE Certificate of Conformity
DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01
DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000
VIORM = 560 V peak
Operating temperature range: −40°C to +85°C
Wide body, 16-lead SOIC package
ADM2486 Typical Application
Isolated RS-485/RS-422 interfaces
PROFIBUS networks
Industrial field networks
Multipoint data transmission systems
ADM2486 Connection Diagram
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