adm1486 Analog Devices, Inc., adm1486 Datasheet - Page 14

• Manufacturer Part Number: adm1486
• Description: 5 V, 0.8 Ma Profibus Rs-485 Transceiver
• Manufacturer: Analog Devices, Inc.

ADM1486
Table 7. Comparison of RS-422, RS-485, and PROFIBUS Interface Standards
Specification
Transmission Type
Maximum Cable Length
Minimum Driver Output Voltage
Driver Load Impedance
Receiver Input Resistance
Receiver Input Sensitivity
Receiver Input Voltage Range
No. of Drivers/Receivers per Line
Rev. A | Page 14 of 16
RS-422
Differential
4,000 ft.
±2 V
100 Ω
4 kΩ min
±200 mV
−7 V to +7 V
1/10
RS-485
Differential
4,000 ft.
±1.5 V
54 Ω
12 kΩ min
±200 mV
−7 V to +12 V
32/32
Differential
PROFIBUS
±2.1 V
54 Ω
20 kΩ min
±200 mV
−7 V to +12 V
50/50