ADM487EARZ Analog Devices Inc, ADM487EARZ Datasheet - Page 4

• Manufacturer Part Number: ADM487EARZ
• Description: IC TXRX HALF DUP RS485/422 8SOIC
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM487EARZ

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Device Type: Differential
• No. Of Drivers: 1
• Supply Voltage Range: 4.5V To 5.5V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (18-Jun-2010)
• Package: RoHS Compliant
• Interface Type: RS422, RS485
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADM485E/ADM487E/ADM1487E
TIMING SPECIFICATIONS
V
Table 3. ADM485E/ADM1487E
Parameter
DRIVER
RECEIVER
MAXIMUM DATA RATE
CC
Driver Propagation Delay Input to Output, Low to High
Driver Propagation Delay Input to Output, High to Low
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
Receiver Propagation Delay Input to Output, Low to High
Receiver Propagation Delay Input to Output, High to Low
|t
Enable Time to Low Level
Enable Time to High Level
Disable Time from Low Level
Disable Time from High Level
PLH
= 5 V ± 10%, T
− t
PHL
| Differential Receiver Skew
A
= T
MIN
to T
MAX
, unless otherwise noted.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
DPLH
DPHL
SKEW
DR
DZH
DZL
DLZ
DHZ
RPLH
RPHL
SKEW
RZL
RZH
RLZ
RHZ
MAX
Rev. B | Page 4 of 16
, t
DF
Min
10
10
3
20
20
2.5
Typ
40
40
5
20
45
45
45
45
60
60
5
25
20
20
20
Max
60
60
10
40
70
70
70
70
200
200
50
50
50
50
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Mbps
Test Conditions/Comments
R
(see
R
(see
R
(see
R
(see
C
C
C
C
See
See
See
C
C
C
t
PLH
DIFF
DIFF
DIFF
DIFF
L
L
L
L
L
L
L
= 15 pF, S2 closed (see
= 15 pF, S1 closed (see
= 15 pF, S2 closed (see
= 100 pF, S1 closed (see
= 100 pF, S1 closed (see
= 15 pF, S1 closed (see
= 15 pF, S1 closed (see
, t
Figure 23
Figure 23
Figure 23
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
Figure 19
Figure 19
Figure 19
Figure 19
PHL
< 50% of data period
L1
L1
L1
L1
and
and
and
and
and
and
and
= C
= C
= C
= C
L2
L2
L2
L2
Figure 24
Figure 24
Figure 24
Figure 20
Figure 20
Figure 20
Figure 20
= 100 pF
= 100 pF
= 100 pF
= 100 pF
Figure 25
Figure 25
Figure 25
Figure 22
Figure 21
Figure 21
Figure 22
)
)
)
)
)
)
)
)
)
)
)