LTC1321 LINER [Linear Technology], LTC1321 Datasheet - Page 5

• Manufacturer Part Number: LTC1321
• Description: RS232/EIA562/RS485 Transceivers
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
–80
–70
–60
–50
–40
–30
–20
–10
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
–1
–2
–3
–4
–5
5
4
3
2
1
0
0
–50
–50
RS485 Driver Differential Output
Voltage vs Temperature
RS485 Driver Output High Voltage
vs Output Current
0
EIA562 Driver Output Voltage
vs Temperature
R
R
L
L
= 3k
–25
–25
= 54
1
0
OUTPUT VOLTAGE (V)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
OUTPUT HIGH
OUTPUT LOW
25
2
25
50
50
3
75
75
T
W
A
4
= 25°C
100
100
1321 G01
1321 G07
1321 G04
U
125
125
5
–10
120
100
–2
–4
–6
–8
10
80
60
40
20
70
60
50
40
30
20
10
8
6
4
2
0
0
0
0
0
4
RS485 Driver Differential Output
Current vs Output Voltage
RS485 Driver Output Low Voltage
vs Output Current
EIA562 Driver Output Voltage
vs Supply Voltage
R
T
V
T
A
EE
A
L
DIFFERENTIAL OUTPUT VOLTAGE (V)
= 3k
= 25°C
= 25°C
= –V
5
1
1
V
DD
DD
OUTPUT VOLTAGE (V)
SUPPLY VOLTAGE (V)
6
2
2
7
3
3
OUTPUT HIGH
OUTPUT LOW
8
T
A
4
4
= 25°C
9
LTC1321/LTC1322/LTC1335
1321 G02
1321 G05
1321 G08
10
5
5
160
140
120
100
15
12
80
60
40
18
16
14
12
10
9
6
3
0
8
6
–50
–50
–50
RS485 Driver Output Short-Circuit
Current vs Temperature
RS485 Driver Skew vs
Temperature
EIA562 Driver Output Short-Circuit
Current vs Temperature
–25
–25
–25
(V
OUT
SOURCE
0
0
= 0V)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
SINK
SINK
(V
OUT
25
25
25
= 5V)
SOURCE
50
50
50
75
75
75
V
OUT
100
100
100
1321 G19
= 0V
1321 G09
1321 G03
5
125
125
125