ADM485AR Analog Devices Inc, ADM485AR Datasheet - Page 8
ADM485AR
Manufacturer Part Number
ADM485AR
Description
IC TX/RX SINGLE RS-485 5V 8SOIC
Manufacturer
Analog Devices Inc
Type
Transceiverr
Datasheet
1.ADM485JRZ.pdf
(16 pages)
Specifications of ADM485AR
Rohs Status
RoHS non-compliant
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)
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ADM485
100
–100
–110
–120
1.1
1.0
0.9
0.8
0.7
0.6
0.5
90
80
70
60
50
40
30
20
10
–10
–20
–30
–40
–50
–60
–70
–80
–90
–50
0
Figure 10. Output Current vs. Driver Output High Voltage
0
0
Figure 9. Output Current vs. Driver Output Low Voltage
0
0.5
0.5
–25
Figure 11. Supply Current vs. Temperature
1.0
1.0
DRIVER OUTPUT LOW VOLTAGE (V)
DRIVER OUTPUT HIGH VOLTAGE (V)
0
1.5
1.5
DRIVER DISABLED
DRIVER ENABLED
TEMPERATURE (°C)
2.0
25
2.0
2.5
2.5
50
3.0
3.0
3.5
75
3.5
4.0
100
4.0
4.5
125
4
.5
5.0
Rev. F | Page 8 of 16
Figure 14. Driver Pulse Width Distortion (PWD) vs. Temperature
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.7
0.6
0.5
0.4
0.3
0.2
0.1
6
5
4
3
2
1
0
–50
–50
–50
0
0
–25
–25
–25
Figure 12. Receiver Skew vs. Temperature
|
|
Figure 13. Driver Skew vs. Temperature
t
t
PHLA
PLHA
0
–
–
0
t
t
0
PHLB
PLHB
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
|
|
25
25
50
50
50
|
t
75
PLH
|
t
PLH
–
75
75
t
–
PHL
100
t
PHL
|
|
100
100
125
125
150
125