ASM3483ꢁ/ASM3486ꢁ/ASM3488ꢁ/ASM3490ꢁ/ASM349±ꢁ
120
100
80
60
40
20
0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
6
8
10
12
–50
–25
0
25
50
75
OUTPUT LOW VOLTAGE (V)
TEMPERATURE (°C)
Figure 22. Output Current vs. Driver Output Low Voltage
Figure 25. Shutdown Current vs. Temperature
120
100
80
60
40
20
0
DI
3
Y
Z
CH1
CH2
CH1 1.0V
CH3 2.0V
ꢀ
ꢀ
CH2 1.0V
ꢀ
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 23. Output Current vs. Driver Output High Voltage
Figure 26. ADM3490E/ADM3491E Driver Propagation Delay
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
V
– V
A
B
M1
RO
3
CH3 2.0V
ꢀ
M200ns 250MS/s
4ns/pt
A CH2
1.24V
–40
–10
20
50
80
MATH1 2.01V 200ns
TEMPERATURE (°C)
Figure 24. Supply Current vs. Temperature
Figure 27. ADM3490E/ADM3491E Receiver Propagation Delay,
Driven by External RS-485 Device
Rev. A | Page 12 of 20
ADI [ ADI ]
