LTC1383(Old_V) データシートの表示（PDF） - Linear Technology
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LTC1383 Datasheet PDF : 8 Pages
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LTC1383
DC ELECTRICAL CHARACTERISTICS VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.
PARAMETER
Power Supply
VCC Supply Current
Digital Input Threshold Low
Digital Input Threshold High
CONDITIONS
No Load (Note 2)
MIN TYP MAX
q
0.22
0.5
q
1.4
0.8
q 2.0
1.4
UNITS
mA
V
V
AC CHARACTERISTICS VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.
PARAMETER
Slew Rate
Driver Propagation Delay
(TTL to RS232)
Receiver Propagation Delay
(RS232 to TTL)
CONDITIONS
RL = 3k, CL = 51pF
RL = 3k, CL = 2500pF
tHLD (Figure 1)
tLHD (Figure 1)
tHLR (Figure 2)
tLHR (Figure 2)
MIN
3
q
q
q
q
TYP MAX
8
30
5
2
3.5
2
3.5
0.3
0.8
0.3
0.8
UNITS
V/µs
V/µs
µs
µs
µs
µs
The q denotes specifications which apply over the operating temperature
range of 0°C ≤ TA ≤ 70°C.
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.
TYPICAL PERFORMANCE CHARACTERISTICS
Driver Output Voltage
vs Temperature
10
RL = 3k
8
OUTPUT HIGH
VCC = 5V
6
VCC = 4.5V
4
2
0
–2
–4
–6
–8
0
OUTPUT LOW
VCC = 4.5V
VCC = 5V
10 20 30 40 50 60 70
TEMPERATURE (°C)
LTC1383 • TPC01
Receiver Input Thresholds
vs Temperature
2.2
2.0
VTH
1.8
1.6
VTL
1.4
1.2
1.0
0 10 20 30 40 50 60 70
TEMPERATURE (˚C)
LTC1383 • TPC02
Supply Current vs Data Rate
45
VCC = 5V
40 RL = 3k
CL = 2500pF
35 2 DRIVERS ACTIVE
30
25
20
15
10
5
0
0 25 50 75 100 125 150 175
DATA RATE (kBAUD)
LTC1383 • TPC03
3
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