ADM3491 Analog Devices, ADM3491 Datasheet - Page 9

• Manufacturer Part Number: ADM3491
• Description: 3.3 V/ Full Duplex/ 840 uA 20 Mbps/ EIA RS-485 Transceiver
• Manufacturer: Analog Devices

REV. 0
Figure 20. Driving 100 ft. Cable L-H Transition
1.2
1.1
0.9
0.8
0.7
Figure 19. Supply Current vs. Temperature
4
3
1
2
1
–40
CH1 1.00V
CH3 2.00V
T
T
–20
T
T
CH4
CH2 1.00V
[
0
T
2.00V
TEMPERATURE – C
20
M40.0ns CH3
40
100FT
CABLE
60
]
640mV
80
100
–9–
Figure 22. Shutdown Current vs. Temperature
Figure 21. Driving 100 ft. Cable H-L Transition
100
90
80
70
60
50
40
30
20
10
4
3
1
0
–40
2
CH1
CH3 2.00V
1.00V
–20
T
T
T
T
CH2 1.00V
CH4 2.00V
[
T
0
TEMPERATURE – C
20
M40.0ns CH3
40
100FT CAT 5
CABLE
ADM3491
]
640mV
60
80