ADM485E AD [Analog Devices], ADM485E Datasheet - Page 5

• Manufacturer Part Number: ADM485E
• Manufacturer: AD [Analog Devices]

V
Table 4. ADM487E
Parameter
DRIVER
RECEIVER
1
The ADM487E is put into shutdown mode by bringing the RE high and the DE low. If the inputs are in this state for less than 50 ns, the parts are guaranteed not to
enter shutdown. If the inputs are in this state for at least 600 ns, the ADM487E is guaranteed to enter shutdown.
CC
Input to Output
Maximum Data Rate
Time to Shutdown
Driver Enable from Shutdown to Output High
Driver Enable from Shutdown to Output Low
Receiver Enable from Shutdown to Output High
Input to Output
Output Skew to Output
Rise/Fall Time
Enable Time to High Level
Enable Time to Low Level
Disable Time from Low Level
Disable Time from High Level
|t
Enable Time to Low Level
Enable Time to High Level
Disable Time from Low Level
Disable Time from High Level
PLH
= 5 V ± 5%, T
− t
PHL
| Differential Receiver Skew
A
= T
1
MIN
to T
MAX
, unless otherwise noted.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
t
t
t
t
DPLH
DPHL
SKEW
DR
DZH
DZL
DLZ
DHZ
RPLH
RPHL
SKEW
RZL
RZL
RLZ
RHZ
MAX
DZH(SHDN)
DZL(SHDN)
RZL(SHDN)
RZH(SHDN)
, t
DF
Rev. 0 | Page 5 of 16
Min
250
250
250
250
250
300
300
250
250
250
50
Typ
800
800
20
100
25
25
25
25
200
5000
5000
5000
Max
2000
2000
800
2000
2000
2000
3000
3000
2000
2000
50
50
50
50
600
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
kbps
ns
ns
ns
ns
ADM485E/ADM487E/ADM1487E
Test Conditions/Comments
R
(see Figure 19 and Figure 20)
R
(see Figure 19 and Figure 20)
R
(see Figure 19 and Figure 20)
R
(see Figure 19 and Figure 20)
C
C
C
C
R
R
(see Figure 19 and Figure 20)
C
(see Figure 23 and Figure 24)
C
C
C
t
C
C
C
C
PLH
DIFF
DIFF
DIFF
DIFF
RL
RL
RL
RL
DIFF
DIFF
RL
RL
RL
RL
L
L
L
L
= 100 pF, S2 closed (see Figure 21)
= 100 pF, S1 closed (see Figure 22)
= 15 pF, S2 closed (see Figure 25)
= 15 pF, S1 closed (see Figure 25)
, t
= 100 pF, S2 closed (see Figure 21)
= 100 pF, S1 closed (see Figure 22)
= 15 pF, S1 closed (see Figure 22)
= 15 pF, S2 closed (see Figure 21)
= 15 pF, S1 closed
= 15 pF, S2 closed (see Figure 25)
= 15 pF, S1 closed (see Figure 25)
= 15 pF, S2 closed (see Figure 25)
= 54 Ω, CL1 = CL2 = 100 pF
= 54 Ω, CL1 = CL2 = 100 pF
= 54 Ω, CL1 = CL2 = 100 pF
= 54 Ω, CL1 = CL2 = 100 pF
= 54 Ω, CL1 = CL2 = 100 pF
= 54 Ω, CL1 = CL2 = 100 pF
PHL
< 50% of data period