MAX4890 Просмотр технического описания (PDF) - Maxim Integrated
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MAX4890 Datasheet PDF : 17 Pages
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10/100/1000 Base-T Ethernet LAN Switch
(V+ = 3.3V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
ON-RESISTANCE vs. VA_
4.0
3.8
V+ = 3.0V, 3.3V, 3.6V
3.6
3.4
3.2
3.0
0
0.9
1.8
2.7
3.6
VA_ (V)
ON-RESISTANCE vs. VA_
5
4
3
TA = +85°C
TA = +25°C
2
TA = -40°C
1
0
0
1.1
2.2
3.3
VA_ (V)
LED_ ON-RESISTANCE vs. VA_
20
18
V+ = 3.0V
16
14
12
10
V+ = 3.3V
V+ = 3.6V
8
6
4
2
0
0
0.9
1.8
2.7
3.6
VA_ (V)
LED_ ON-RESISTANCE vs. TEMPERATURE
20
18 TA = +85°C
16
14
12
10
TA = +25°C
8
TA = -40°C
6
4
2
0
0
1.1
2.2
3.3
VA_ (V)
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
350
330
310
290
270
250
230
210
190
170
150
-40 -15
10
35
60
85
TEMPERATURE (°C)
LEAKAGE CURRENT vs. TEMPERATURE
1800
1600
1400
1200
1000
800
ILA_(ON)
600
400
ILA_(OFF)
200
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT
vs. LOGIC LEVEL
1200
1000
800
600
400
200
0
0
1.1
2.2
3.3
LOGIC LEVEL (V)
30
25
20
15
100
5
0
0
CHARGE INJECTION vs. VA_
1.1
2.2
3.3
VA_ (V)
LOGIC THRESHOLD vs. SUPPLY VOLTAGE
1.8
1.6
VTH+
1.4
1.2
VTH-
1.0
0.8
0.6
0.4
0.2
0
3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
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