adm3485 Analog Devices, Inc., adm3485 Datasheet - Page 5

• Manufacturer Part Number: adm3485
• Description: 3.3 V Slew Rate Limited, Half- And Full-duplex, Rs-485/rs-422 Transceivers
• Manufacturer: Analog Devices, Inc.

TIMING SPECIFICATIONS—ADM3485/ADM3490/ADM3491
V
Table 3.
Parameter
DRIVER
DRIVER OUTPUT ENABLE/DISABLE TIMES (ADM3485/
ADM3491 ONLY)
1
TIMING SPECIFICATIONS—ADM3483/ADM3488
V
Table 4.
Parameter
DRIVER
DRIVER OUTPUT ENABLE/DISABLE TIMES (ADM3483 ONLY)
1
Measured on |t
Measured on |t
CC
CC
Differential Output Delay (t
Differential Output Transition Time (t
Propagation Delay, Low-to-High Level (t
Propagation Delay, High-to-Low Level (t
|t
Output Enable Time to Low Level (t
Output Enable Time to High Level (t
Output Disable Time from High Level (t
Output Disable Time from Low Level (t
Output Enable Time from Shutdown to Low Level (t
Output Enable Time from Shutdown to High Level (t
Differential Output Delay (t
Differential Output Transition Time (t
Propagation Delay, Low-to-High Level (t
Propagation Delay, High-to-Low Level (t
|t
Output Enable Time to Low Level (t
Output Enable Time to High Level (t
Output Disable Time from High Level (t
Output Disable Time from Low Level (t
Output Enable Time from Shutdown to Low Level (t
Output Enable Time from Shutdown to High Level (t
PLH
PLH
= 3.3 V, T
= 3.3 V, T
– t
– t
PHL
PHL
| Propagation Delay Skew
| Propagation Delay Skew
PLH
PLH
A
A
= 25°C, unless otherwise noted.
= 25°C, unless otherwise noted.
(Y) − t
(Y) − t
PHL
PHL
(Y)| and |t
(Y)| and |t
DD
DD
PLH
PLH
)
)
(Z) − t
(Z) − t
1
1
PZL
PZL
PZH
PZH
(t
PHL
(t
PHL
TD
TD
)
)
PDS
PDS
)
)
)
PLZ
)
PLZ
(Z)|.
(Z)|.
PHZ
PHZ
PLH
PHL
PLH
PHL
)
)
)
)
)
)
)
)
)
)
PSL
PSL
PSH
PSH
)
)
)
)
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. B | Page 5 of 20
Min
1
3
7
7
Min
600
400
700
700
22
8
22
22
45
45
40
40
650
650
Typ
Typ
900
700
1000
1000
100
900
600
50
50
1.9
2.2
Max
35
25
35
35
8
90
90
80
80
900
900
Max
1400
1200
1500
1500
1300
800
80
80
2.7
3.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
μs
Test Conditions/Comments
R
R
R
R
R
R
R
R
R
R
R
Test Conditions/Comments
R
R
R
R
R
R
R
R
R
R
R
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
= 60 Ω (see Figure 10 and Figure 16)
= 60 Ω (see Figure 10 and Figure 16)
= 27 Ω (see Figure 11 and Figure 17)
= 27 Ω (see Figure 11 and Figure 17)
= 27 Ω (see Figure 11 and Figure 17)
= 110 Ω (see Figure 13 and Figure 19)
= 110 Ω (see Figure 12 and Figure 18)
= 110 Ω (see Figure 12 and Figure 18)
= 110 Ω (see Figure 13 and Figure 19)
= 110 Ω (see Figure 13 and Figure 19)
= 110 Ω (see Figure 12 and Figure 18)
L
L
L
L
L
= 110 Ω (see Figure 13 and Figure 19)
= 110 Ω (see Figure 12 and Figure 18)
= 110 Ω (see Figure 12 and Figure 18)
= 110 Ω (see Figure 13 and Figure 19)
= 110 Ω (see Figure 13 and Figure 19)
= 110 Ω (see Figure 12 and Figure 18)
= 60 Ω (see Figure 10 and Figure 16)
= 60 Ω (see Figure 10 and Figure 16)
= 27 Ω (see Figure 11 and Figure 17)
= 27 Ω (see Figure 11 and Figure 17)
= 27 Ω (see Figure 11 and Figure 17)