adm2486 Analog Devices, Inc., adm2486 Datasheet - Page 5

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

TIMING SPECIFICATIONS
2.7 V ≤ V
Table 2.
Parameter
DRIVER
RECEIVER
POWER_VALID INPUT
Maximum Data Rate
Propagation Delay, t
RTS-to-DE Propagation Delay
Pulse Width Distortion, t
Switching Skew, t
Rise/Fall Time, t
Enable Time
Disable Time
Enable Skew, |t
Disable Skew, |t
Propagation Delay, t
Differential Skew, t
Enable Time
Disable Time
Enable Time
Disable Time
DD1
≤ 5.5 V, 4.75 V ≤ V
AZH
R
AHZ
, t
SKEW
F
− t
SKEW
− t
PLH
PLH
BZL
BLZ
, t
, t
|, |t
|, |t
PWD
PHL
PHL
AZL
ALZ
− t
− t
DD2
BZH
BHZ
≤ 5.25 V, T
|
|
Min
20
25
20
25
A
= T
MIN
Typ
45
35
2
5
43
43
1
2
45
3
3
1
3
to T
Max
55
55
5
5
15
53
55
3
5
55
5
13
13
2
5
MAX
Rev. D | Page 5 of 20
, unless otherwise noted.
Unit
Mbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
μs
Test Conditions/Comments
R
See Figure 8
R
R
R
See Figure 9 and Figure 14
See Figure 9 and Figure 14
See Figure 9 and Figure 14
See Figure 9 and Figure 14
C
C
R
R
LDIFF
LDIFF
LDIFF
LDIFF
L
L
L
L
= 1 kΩ, C
= 1 kΩ, C
= 15 pF, see Figure 10 and Figure 13
= 15 pF, see Figure 10 and Figure 13
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
L
L
= 15 pF, see Figure 11 and Figure 15
= 15 pF, see Figure 11 and Figure 15
L1
L1
L1
L1
= C
= C
= C
= C
L2
L2
L2
L2
= 100 pF, see Figure 7
= 100 pF, see Figure 7 and Figure 12
= 100 pF, see Figure 7 and Figure 12
= 100 pF, see Figure 7 and Figure 12
ADM2486