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LT1237 Datasheet(Fiches technique) 4 Page - Linear Technology

Numéro de pièce LT1237
Description  5V RS232 Transceiver with Advanced Power Management and One Receiver Active in Shutdown
Télécharger  8 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
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 4 page
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4
LT1237
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
TEMPERATURE (°C)
–55
–10
–8
–4
–2
0
10
4
0
50
75
1237 G01
–6
6
8
2
–25
25
100
125
OUTPUT HIGH
OUTPUT LOW
RL = 3k
VCC = 5V
VCC = 4.5V
VCC = 4.5V
VCC = 5V
Driver Output Voltage
TEMPERATURE (°C)
–55
0.50
0.75
1.25
1.50
1.75
3.00
2.25
0
50
75
1237 G02
1.00
2.50
2.75
2.00
–25
25
100
125
INPUT HIGH
INPUT LOW
Receiver Input Thresholds
DATA RATE (kBAUD)
0
0
20
30
40
60
25
50
125
150
1237 G03
70
80
50
10
75
100
3 DRIVERS ACTIVE
RL = 3k
CL = 2500pF
Supply Current vs Data Rate
DRIVER DISABLE Threshold
Supply Current in Shutdown
ON/OFF Thresholds
Supply Current
TEMPERATURE (°C)
0
10
15
20
30
1237 G08
35
40
25
5
3 DRIVERS LOADED
RL = 3k
–55
0
50
75
–25
25
100
125
1 DRIVER LOADED
RL = 3k
NO LOAD
Driver Leakage in Shutdown
TEMPERATURE (°C)
–55
0
2
5
0
50
75
1237 G05
1
4
3
–25
25
100
125
TEMPERATURE (°C)
–55
100
125
150
25
75
1237 G04
75
50
–25
0
50
100
125
25
0
TEMPERATURE (°C)
–55
2.0
2.5
3.0
25
75
1237 G06
1.5
1.0
–25
0
50
100
125
0.5
0
TEMPERATURE (°C)
0.1
10
100
1237 G09
1
–55
0
50
75
–25
25
100
125
VOUT = –30V
VOUT = 30V
TEMPERATURE (°C)
–55
2.0
2.5
3.0
25
75
1237 G07
1.5
1.0
–25
0
50
100
125
0.5
0
ON THRESHOLD
OFF THRESHOLD
Supply Current in Driver Disable




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