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Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
____________________________Typical Operating Characteristics (continued)
(VCC = 5V, TA = +25°C, unless otherwise noted.)
120
0
08
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
20
100
OUTPUT LOW VOLTAGE (V)
6
60
40
24
80
10
12
140
-120
0
-7
-5
-1
5
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
-20
-80
OUTPUT HIGH VOLTAGE (V)
-3
1
-60
3
-6
-4
-2
0
2
4
-100
-40
100
-40
-60
-20
40
100 120
HWD1487
SUPPLY CURRENT vs. TEMPERATURE
300
TEMPERATURE (°C)
20
60 80
500
200
600
400
0
0
140
HWD1487; DE = VCC, RE = X
HWD1487; DE = 0V, RE = X
100
-50
-25
50
100
HWD481/HWD485/HWD490/HWD491
SUPPLY CURRENT vs. TEMPERATURE
300
TEMPERATURE (
°C)
25
75
500
200
600
400
0
0
125
HWD481/HWD485; DE = VCC, RE = X
HWD485; DE = 0, RE = X,
HWD481; DE = RE = 0
HWD490/HWD491; DE = RE = X
HWD481; DE = 0, RE = VCC
100
-50
-25
50
100
HWD483/HWD487–HWD489
SUPPLY CURRENT vs. TEMPERATURE
300
TEMPERATURE (
°C)
25
75
500
200
600
400
0
0
125
HWD483; DE = VCC, RE = X
HWD487; DE = VCC, RE = X
HWD483/HWD487; DE = 0, RE = VCC
HWD483/HWD487; DE = RE = 0,
HWD488/HWD489; DE = RE = X
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