LT1180A/LT1181A
TYPICAL PERFOR A CE CHARACTERISTICS
U W
Driver Maximum Output Voltage
vs Load Capacitance
Driver Minimum Output Voltage
vs Load Capacitance
Driver Output Voltage
10
8
8.0
7.5
–4.0
–4.5
R
= 3k
L
6
V
V
= 5.5V
CC
120kBAUD
V
= 5V
CC
4
7.0
6.5
–5.0
–5.5
= 4.5V
CC
20kBAUD
60kBAUD
120kBAUD
2
OUTPUT HIGH
60kBAUD
20kBAUD
0
OUTPUT LOW
–2
–4
–6
–8
–10
V
V
= 4.5V
= 5V
CC
V
CC
6.0
5.5
5.0
–6.0
–6.5
–7.0
CC
= 5.5V
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
–55
0
25
50
75 100 125
–25
LOAD CAPACITANCE (nF)
LOAD CAPACITANCE (nF)
TEMPERATURE (°C)
LT1180A • TPC01
LT1180A • TPC02
LT1180A • TPC03
Receiver Input Thresholds
Supply Current vs Data Rate
ON/OFF Thresholds
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
50
40
30
20
3.0
2.5
2.0
1.5
2 DRIVERS ACTIVE
R
= 3k
= 2500pF
L
L
C
INPUT HIGH
INPUT LOW
ON THRESHOLD
1.0
0.5
0
OFF THRESHOLD
10
0
–55
0
25
50
75 100 125
0
50
75
100
125
150
–25
25
50
TEMPERATURE (°C)
100 125
–55 –25
0
25
75
TEMPERATURE (°C)
DATA RATE (kBAUD)
LT1180A • TPC04
LT1180A • TPC05
LT1180A • TPC06
Driver Leakage in Shutdown
Supply Current
Driver Short-Circuit Current
25
20
15
10
5
30
25
20
15
100
10
1
2 DRIVERS LOADED R = 3k
L
+
I
SC
1 DRIVER LOADED R = 3k
L
–
I
V
= 30V
SC
OUT
10
5
V
= –30V
OUT
NO LOAD
0
0
0.1
–55
0
25
50
75 100 125
–25
50
TEMPERATURE (°C)
100 125
–55 –25
0
25
75
–55
0
25
50
75 100 125
–25
TEMPERATURE (°C)
TEMPERATURE (°C)
LT1180A • TPC07
LT1180A • TPC09
LT1180A • TPC08
11801afb
4
Linear Systems [ Linear Systems ]
