ltc1383 Linear Technology Corporation, ltc1383 Datasheet - Page 3
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ltc1383
Manufacturer Part Number
ltc1383
Description
5v Low Power Rs232 Transceiver
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC1383.pdf
(8 pages)
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DC ELECTRICAL CHARACTERISTICS
AC CHARACTERISTICS
otherwise specifications are at T
temperature range, otherwise specifications are at T
PARAMETER
Power Supply
V
Digital Input Threshold Low
Digital Input Threshold High
PARAMETER
Slew Rate
Driver Propagation Delay
(TTL to RS232)
Receiver Propagation Delay
(RS232 to TTL)
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
TYPICAL PERFOR A CE CHARACTERISTICS
CC
–4
10
–2
–6
–8
Supply Current
8
6
4
2
0
0
Driver Output Voltage
vs Temperature
R
L
= 3k
10
20
TEMPERATURE (°C)
30
40
OUTPUT HIGH
OUTPUT LOW
V
V
V
V
CC
CC
CC
CC
50
= 5V
= 4.5V
= 4.5V
= 5V
LTC1383 • TPC01
W
A
= 25°C. V
60
U
70
CONDITIONS
CONDITIONS
R
No Load (Note 2), 0°C to 70°C
No Load (Note 2), – 40°C to 85°C
R
t
t
t
t
HLD
LHD
HLR
LHR
The
L
L
= 3k, C
= 3k, C
CC
(Figure 2)
(Figure 1)
(Figure 1)
(Figure 2)
= 5V, C1 = C2 = C3 = C4 = 0.1µF, unless noted.
denotes specifications which apply over the full operating temperature range,
L
L
2.2
2.0
1.0
1.8
1.6
1.4
1.2
= 51pF
= 2500pF
A
0
Receiver Input Thresholds
vs Temperature
= 25°C. V
10
20
TEMPERATURE (˚C)
CC
The
30
= 5V, C1 = C2 = C3 = C4 = 0.1µF, unless noted.
Note 2: Supply current is measured with driver and receiver outputs
unloaded.
40
denotes specifications which apply over the full operating
V
V
TH
TL
50
LTC1383 • TPC02
60
70
45
40
35
30
25
20
15
10
5
0
0
Supply Current vs Data Rate
MIN
MIN
V
R
C
2 DRIVERS ACTIVE
2.0
3
CC
L
L
= 3k
= 2500pF
25
= 5V
50
DATA RATE (kBAUD)
0.22
0.35
TYP
TYP
1.4
1.4
0.3
0.3
8
5
2
2
75
100
LTC1383
MAX
MAX
0.5
1.0
0.8
3.5
3.5
0.8
0.8
30
125
LTC1383 • TPC03
150
UNITS
UNITS
1383fa
3
V/µs
V/µs
mA
mA
175
µs
µs
µs
µs
V
V