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LTC1322CS 数据表(PDF) 6 Page - Linear Technology

部件名 LTC1322CS
功能描述  RS232/EIA562/RS485 Transceivers
PDF  20 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1322CS 数据表(HTML) 6 Page - Linear Technology

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LTC1321/LTC1322/LTC1335
TYPICAL PERFORMANCE CHARACTERISTICS
RS485 Receiver
tPLH – tPHL
vs Temperature
Receiver Output Low Voltage
vs Temperature
OUTPUT VOLTAGE (V)
0
0.5
1.0
2.0
1.5
2.5
3.0
1321 G14
40
35
30
25
20
15
10
5
0
TA = 25°C
Receiver Output Current
vs Output Low Voltage
EIA562 Receiver Input Threshold
Voltage vs Temperature
TEMPERATURE (°C)
–50
2.0
1.8
1.6
1.4
1.2
1.0
0.8
25
75
1321 G15
–25
0
50
100
125
INPUT HIGH
INPUT LOW
TEMPERATURE (°C)
–50
500
450
400
350
300
250
200
150
100
50
0
0
50
75
1321 G18
–25
25
100
125
ICC
–IEE
–IDD
RL = ∞
Supply Current in EIA562 Mode
vs Temperature (Both Ports)
Supply Current in RS485 Mode
vs Temperature (Both Ports)
TEMPERATURE (°C)
–50
1.2
1.0
0.8
0.6
0.4
0.2
0
25
75
1321 G17
–25
0
50
100
125
ICC
–IEE
–IDD
RL = ∞
TEMPERATURE (°C)
–50
20
18
16
14
12
10
8
6
4
2
0
0
50
75
1321 G12
–25
25
100
125
TEMPERATURE (°C)
–50
0.5
0.4
0.3
0.2
0.1
0
0
50
75
1321 G11
–25
25
100
125
IOUT = 3mA
TEMPERATURE (°C)
–50
100
1321 G06
050
±400
±350
±300
±250
±200
±150
±100
±50
0
– 25
25
75
125
Driver Output Leakage Current
(Disable/Shutdown) vs Temperature
OUTPUT VOLTAGE (V)
2.0
2.5
3.0
3.5
4.0
1321 G13
4.5
120
18
16
14
12
10
8
6
4
2
0
5.0
TA = 25°C
Receiver Output Current
vs Output High Voltage
Receiver Output High Voltage
vs Temperature
TEMPERATURE (°C)
–50
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
0
50
75
1321 G10
–25
25
100
125
IOUT = 3mA



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