LT1081 LINER [Linear Technology], LT1081 Datasheet - Page 5

• Manufacturer Part Number: LT1081
• Description: Advanced Low Power 5V RS232 Dual Driver/Receiver
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
RECEIVER
OUTPUT
OUTPUT
DRIVER
INPUT
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–55
–55
Receiver Input Thresholds
ON/OFF Pin Thresholds
–5V
5V
0V
5V
0V
5V
0V
–25
–25
Output Waveforms
V
R
MAXIMUM OFF VOLTAGE
CC
L
= 3k
= 5V
0
0
TEMPERATURE ( C)
0
TEMPERATURE ( C)
2 s
MINIMUM ON VOLTAGE
25
25
INPUT HIGH
INPUT LOW
50
4 s
50
75
75
W
6 s
100
100
1080/81 G04
1080/81 G07
1080/81 G10.tiff
8 s
U
125
125
RECEIVER
OUTPUT
OUTPUT
DRIVER
ON/OFF
INPUT
HIGH
LOW
1000
100
100
0.1
10
10
1
1
–55
–55
–5V
10V
–10
Receiver Output
Short-Circuit Current
Supply Current in Shutdown
5V
0V
0V
5V
0V
V
Shutdown to Driver Output
V
R
CC
–25
–25
CC
L
= 5V
= 3k
= 5V
0
OUTPUT SINKING
OUTPUT SOURCING
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
1ms
25
25
2ms
50
50
3ms
75
75
100
1080/81 G11.tiff
1080/81 G05
100
1080/81 G08
4ms
125
125
RECEIVER
OUTPUT
ON/OFF
INPUT
–10
100
0.1
40
35
30
25
20
15
10
–5
10
5
0
1
–55
0
ON/OFF Pin Current vs Voltage
Driver Output Leakage in
Shutdown
6V
4V
2V
0V
5V
0V
LT1080/LT1081
Shutdown to Receiver Output
–25
V
CC
= 5V
1
0
0
INPUT VOLTAGE (V)
TEMPERATURE ( C)
1ms
2
25
V
2ms
OUT
50
3
= 30V
3ms
75
V
OUT
4
= –30V
100
1080/81 G09
1080/81 G11.tiff
4ms
1080/81 G06
5
125
5