ADM3485E
120
100
80
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
60
40
20
0
0
2
4
6
8
10
12
–50
–25
0
25
50
75
OUTPUT LOW VOLTAGE (V)
TEMPERATURE (°C)
Figure 18. Output Current vs. Driver Output Low Voltage
Figure 21. Shutdown Current vs. Temperature
120
100
80
60
40
20
0
DI
3
A
B
CH1
CH2
CH1 1.0V
CH3 2.0V
Ω
Ω
CH2 1.0V
Ω
IT 400ps/pt A CH3
M20ns 1.25GS/s
1.44V
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
4
OUTPUT HIGH VOLTAGE (V)
Figure 19. Output Current vs. Driver Output High Voltage
Figure 22. Driver Propagation Delay
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
V
– V
B
A
M1
RO
3
CH3 2.0V
Ω
M200ns 250MS/s
4ns/pt
A CH2
1.24V
–40
–10
20
50
80
MATH1 2.01V 200ns
TEMPERATURE (°C)
Figure 20. Supply Current vs. Temperature
Figure 23. Receiver Propagation Delay,
Driven by External RS-485 Device
Rev. D | Page 10 of 16
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