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