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LT1280A Datasheet(PDF) 4 Page - Linear Technology

Part No. LT1280A
Description  Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1280A Datasheet(HTML) 4 Page - Linear Technology

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


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