
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
VCC = 3.3V
RL = 3k
CL = 2500pF
ALL DRIVERS ACTIVE
Supply Current vs Data Rate
TEMPERATURE (
°C)
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
RL = 3k
1 DRIVER LOADED
RL = 3k
VCC 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
VCC = 3.3V
OUTPUT LOW
VCC = 3.3V
ALL DRIVERS WITH LOAD
RL = 3k
Driver Output Voltage
vs Temperature
TEMPERATURE (C)
0
THRESHOLD
VOLTAGE
(V)
1.8
2.0
2.2
30
VTH
+
VTH
–
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
(
A)
60
45
40
35
30
25
20
15
10
5
0
LTC1385 TPC05
20
70
10
30
40
50
VOUT = –20V
VOUT = 20V
Driver Short-Circuit Current
vs Temperature
TEMPERATURE (
°C)
0
SHORT-CIRCUIT
CURRENT
(mA)
2
6
8
10
20
18
LTC1385 TPC06
4
10
30
ISC
–
ISC
+
40
60
50
70
12
14
16
Receiver Short-Circuit Current
vs Temperature
TEMPERATURE (
°C)
0
SHORT-CIRCUIT
CURRENT
(mA)
5
15
20
25
20
45
LTC1385 TPC06
10
30
ISC
–
40
60
50
70
30
35
40
ISC
+
Driver Output Waveforms
Receiver Output Waveform
DRIVER
OUTPUT
RL = 3k
CL = 1000pF
INPUT
DRIVER
OUTPUT
RL = 3k
LTC1385 TPC08
LTC1385 TPC09
RECEIVER
OUTPUT
CL = 51pF
INPUT
TYPICAL PERFOR A CE CHARACTERISTICS
UW