Datasheet

3
LTC1386
1386fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
DATA RATE (kBAUD)
0
SUPPLY CURRENT (mA)
60
LTC1386 • 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
THRESHOLD VOLTAGE (V)
1.8
2.0
2.2
30
V
TH
+
V
TH
50
LTC1386 • TPC02
1.6
1.4
10 20
40 60 70
1.2
1.0
Receiver Input Thresholds
vs Temperature
Receiver Output WaveformsDriver Output Waveforms
DRIVER
OUTPUT
R
L
= 3k
C
L
= 1000pF
DRIVER
OUTPUT
R
L
= 3k
INPUT
RECEIVER
OUTPUT
C
L
= 51pF
INPUT
LTC1386 • TPC05 LTC1386 • TPC06
TEMPERATURE (°C)
0
0
SUPPLY CURRENT (mA)
0.5
1.5
2.0
2.5
40
4.5
LTC1386 • 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
LTC1386 • 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
The
denotes specifications which apply over the full operating temperature range.
V
CC
= 3.3V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Supply current is measured with driver and receiver outputs
unloaded.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Slew Rate R
L
= 3k, C
L
= 51pF 8 30 V/µs
R
L
= 3k, C
L
= 1000pF 3 5 V/µs
Driver Propagation Delay t
HLD
(Figure 1) 2 3.5 µs
(TTL to EIA/TIA562) t
LHD
(Figure 1) 2 3.5 µs
Receiver Propagation Delay t
HLR
(Figure 2) 0.3 0.8 µs
(EIA/TIA562 to TTL ) t
LHR
(Figure 2) 0.3 0.8 µs
Note 3: Measurements made in the shutdown mode are performed
with V
ON/OFF
=OV.
5µs/DIV 5µs/DIV
AC CHARACTERISTICS