adm2486 Analog Devices, Inc., adm2486 Datasheet - Page 12

• Manufacturer Part Number: adm2486
• Description: High Speed, Half-duplex Icoupler Isolated Rs-485 Transceiver
• Manufacturer: Analog Devices, Inc.

ADM2486
TYPICAL PERFORMANCE CHARACTERISTICS
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
45
40
35
30
25
20
15
10
50
45
40
35
30
25
20
15
10
0
5
0
5
0
Figure 18. Receiver Propagation Delay vs. Temperature
Figure 16. Unloaded Supply Current vs. Temperature
Figure 17. Driver Propagation Delay vs. Temperature
DRIVER
DRIVER
RECEIVER
RECEIVER
–40
–40
–40
t
t
BLH
BHL
t
t
PLH
PHL
DRIVER
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
I
DD2
I
DD1
t
DRIVER
ALH
_DE_ENABLE @ 5.5V
_RCVR_ENABLE @ 5.5V
25
25
25
t
AHL
85
85
85
Rev. D | Page 12 of 20
Figure 21. Thermal Derating Curve, Dependence of Safety-Limiting Values
1
1
2
4
3
4
350
300
250
200
150
100
50
Figure 19. Driver/Receiver Propagation Delay, Low to High
Figure 20. Driver/Receiver Propagation Delay, High to Low
CH1 2.00V
CH3 2.00V
CH1 5.00V
CH3 2.00V
0
0
with Case Temperature per VDE 0884
CH2 2.00V
CH4 2.00V
CH2 2.00V
CH4 2.00V
(R
(R
LDiff
LDiff
50
CASE TEMPERATURE (°C)
= 54 Ω, C
= 54 Ω, C
SIDE 1
SIDE 2
L1
L1
M20.0ns
M20.0ns
T
T
100
= C
= C
L2
L2
6.00000ns
–444.400ns
= 100 pF)
= 100 pF)
A CH2
A CH1
150
3.12V
2.60V
200