LT1280A Ver la hoja de datos (PDF) - Linear Technology
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LT1280A Datasheet PDF : 8 Pages
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LT1280A/LT1281A
TYPICAL PERFOR A CE CHARACTERISTICS
Receiver Input Thresholds
3.00
2.75
2.50
2.25
2.00
INPUT HIGH
1.75
1.50
INPUT LOW
1.25
1.00
0.75
0.50
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1280A • TPC04
Supply Current vs Data Rate
50
2 DRIVERS ACTIVE
RL = 3k
40 CL = 2500pF
30
20
10
0
0 25 50 75 100 125 150
DATA RATE (kBAUD)
LT1280A • TPC05
ON/OFF Thresholds
3.0
2.5
2.0
ON THRESHOLD
1.5
1.0
OFF THRESHOLD
0.5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1280A • TPC06
Supply Current
25
20
2 DRIVERS LOADED RL = 3k
15
1 DRIVER LOADED RL = 3k
10
NO LOAD
5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1280A • TPC07
Driver Leakage in Shutdown
100
10
VOUT = 30V
1
VOUT = –30V
0.1
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1280A • TPC08
Driver Short-Circuit Current
30
25
ISC+
20
15
ISC–
10
5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1280A • TPC09
Receiver Short-Circuit Current
50
40
RX ISC–
30
RX ISC+
20
10
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1280A • TPC10
Slew Rate vs Load Capacitance
16
14
12
10
8
+SLEW
6
–SLEW
4
2
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
LOAD CAPACITANCE (nF)
LT1280A • TPC11
4
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