Datasheet

4
LT1280A/LT1281A
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
Receiver Input Thresholds
Driver Leakage in Shutdown
ON/OFF Thresholds
Receiver Short-Circuit Current Slew Rate vs Load Capacitance
TEMPERATURE (°C)
–55
0.50
THRESHOLD VOLTAGE (V)
0.75
1.25
1.50
1.75
3.00
2.25
0
50
75
LT1280A • TPC04
1.00
2.50
2.75
2.00
–25
25
100
125
INPUT HIGH
INPUT LOW
DATA RATE (kBAUD)
0
0
SUPPLY CURRENT (mA)
10
20
30
40
50
25
50 75 100
LT1280A • TPC05
125 150
2 DRIVERS ACTIVE
R
L
= 3k
C
L
= 2500pF
Supply Current vs Data Rate
TEMPERATURE (°C)
–55
THRESHOLD VOLTAGE (V)
2.0
2.5
3.0
25 75
LT1280A • TPC06
1.5
1.0
–25 0
50 100 125
0.5
0
ON THRESHOLD
OFF THRESHOLD
Supply Current
TEMPERATURE (°C)
–55
0
SUPPLY CURRENT (mA)
10
25
0
50
75
LT1280A • TPC07
5
20
15
–25
25
100
125
2 DRIVERS LOADED R
L
= 3k
1 DRIVER LOADED R
L
= 3k
NO LOAD
Driver Short-Circuit Current
LOAD CAPACITANCE (nF)
0
SLEW RATE (V/µs)
12
16
4.0
LT1280A • TPC11
8
4
0
1.0
2.0
3.0
5.0
10
14
6
2
3.5
0.5
1.5
2.5
4.5
+SLEW
–SLEW
TEMPERATURE (°C)
0.1
LEAKAGE CURRENT ( µA)
10
100
LT1280A • TPC08
1
–55 0
50
75
–25
25
100
125
V
OUT
= –30V
V
OUT
= 30V
TEMPERATURE (°C)
–55
SHORT-CIRCUIT CURRENT (mA)
20
25
30
25 75
LT1280A • TPC09
15
10
–25 0
50 100 125
5
0
I
SC
+
I
SC
–
TEMPERATURE (°C)
–55
0
SHORT-CIRCUIT CURRENT (mA)
20
50
0
50
75
LT1280A • TPC10
10
40
30
–25
25
100
125
RX I
SC
–
RX I
SC
+