Datasheet

5
LT1080/LT1081
10801fe
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
–55 –25 0 25 50 75 100 125
INPUT THRESHOLD (V)
1080/81 G04
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
INPUT HIGH
INPUT LOW
INPUT VOLTAGE (V)
012345
INPUT CURRENT (µA)
1080/81 G06
40
35
30
25
20
15
10
5
0
–5
–10
Receiver Input Thresholds
Receiver Output
Short-Circuit Current ON/OFF Pin Current vs Voltage
TEMPERATURE (°C)
OUTPUT CURRENT (mA)
100
10
1
0.1
1080/81 G05
OUTPUT SOURCING
OUTPUT SINKING
–55 –25 0 25 50 75 100 125
ON/OFF Pin Thresholds Supply Current in Shutdown
Driver Output Leakage in
Shutdown
TEMPERATURE (°C)
–55 –25 0 25 50 75 100 125
ON/OFF PIN VOLTAGE (V)
1080/81 G07
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
MAXIMUM OFF VOLTAGE
MINIMUM ON VOLTAGE
TEMPERATURE (°C)
SUPPLY CURRENT (nA)
1000
100
10
1
1080/81 G08
V
CC
= 5V
–55 –25 0 25 50 75 100 125
TEMPERATURE (°C)
OUTPUT LEAKAGE CURRENT (µA)
100
10
1
0.1
1080/81 G09
V
OUT
= –30V
V
OUT
= 30V
–55 –25 0 25 50 75 100 125
Output Waveforms
Shutdown to Receiver Output
02µs4µs6µs8µs 0 1ms 2ms 3ms 4ms 0 1ms 2ms 3ms 4ms
V
CC
= 5V 1080/81 G11.tiffV
CC
= 5V 1080/81 G11.tiff
R
L
= 3k
V
CC
= 5V 1080/81 G10.tiff
R
L
= 3k
5V
0V
RECEIVER
OUTPUT
LOW
0V
–5V
–10
ON/OFF
INPUT
10V
5V
0V
DRIVER
OUTPUT
HIGH
INPUT
5V
0V
DRIVER
OUTPUT
5V
0V
–5V
RECEIVER
OUTPUT
5V
0V
Shutdown to Driver Output
6V
4V
2V
0V
RECEIVER
OUTPUT
ON/OFF
INPUT
5V
0V