Datasheet

4
LTC1385
sn1385 1385fas
DATA RATE (kBAUD)
0
SUPPLY CURRENT (mA)
60
LTC1385 • TPC03
10
5
20 40 80
0
20
15
100 120 140
V
CC
= 3.3V
R
L
= 3k
C
L
= 2500pF
ALL DRIVERS ACTIVE
Supply Current vs Data Rate
TEMPERATURE (°C)
0
0
SUPPLY CURRENT (mA)
0.5
1.5
2.0
2.5
40
4.5
LTC1385 • TPC04
1.0
20
10
50 60
30 70
3.0
3.5
4.0
2 DRIVERS LOADED
R
L
= 3k
1 DRIVER LOADED
R
L
= 3k
V
CC
Supply Current
vs Temperature
TEMPERATURE (°C)
0
–5
DRIVER OUTPUT VOLTAGE (V)
–4
–2
–1
0
5
2
20
40
50
LTC1385 • TPC01
–3
3
4
1
10
30
60
70
OUTPUT HIGH
V
CC
= 3.3V
OUTPUT LOW
V
CC
= 3.3V
ALL DRIVERS WITH LOAD
R
L
= 3k
Driver Output Voltage
vs Temperature
TEMPERATURE (˚C)
0
THRESHOLD VOLTAGE (V)
1.8
2.0
2.2
30
V
TH
+
V
TH
–
50
LTC1385 • TPC02
1.6
1.4
10 20
40 60 70
1.2
1.0
Receiver Input Thresholds
vs Temperature
Driver Leakage in Shutdown
vs Temperature
TEMPERATURE (°C)
0
LEAKAGE CURRENT (µA)
60
45
40
35
30
25
20
15
10
5
0
LTC1385 • TPC05
20 7010
30
40
50
V
OUT
= –20V
V
OUT
= 20V
Driver Short-Circuit Current
vs Temperature
TEMPERATURE (°C)
0
0
SHORT-CIRCUIT CURRENT (mA)
2
6
8
10
20
18
LTC1385 • TPC06
4
10 30
I
SC
–
I
SC
+
40
60
50 70
12
14
16
Receiver Short-Circuit Current
vs Temperature
TEMPERATURE (°C)
0
0
SHORT-CIRCUIT CURRENT (mA)
5
15
20
25
20
45
LTC1385 • TPC06
10
10 30
I
SC
–
40
60
50 70
30
35
40
I
SC
+
Driver Output Waveforms
Receiver Output Waveform
DRIVER
OUTPUT
R
L
= 3k
C
L
= 1000pF
INPUT
DRIVER
OUTPUT
R
L
= 3k
LTC1385 • TPC08 LTC1385 • TPC09
RECEIVER
OUTPUT
C
L
= 51pF
INPUT
TYPICAL PERFOR A CE CHARACTERISTICS
UW