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LTC1382CS 数据表(PDF) 3 Page - Linear Technology

部件名 LTC1382CS
功能描述  5V Low Power RS232 Transceiver with Shutdown
PDF  8 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1382CS 数据表(HTML) 3 Page - Linear Technology

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LTC1382
ELECTRICAL C
C
HARA TERISTICS
C
D
VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, VON/OFF = VCC, unless otherwise noted.
CC
HARA TERISTICS
AC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply Generator
V+ Output Voltage
IOUT = 0mA
8.0
V
IOUT = 8mA
7.5
V
V– Output Voltage
IOUT = 0mA
– 8.0
V
IOUT = – 8mA
– 7.0
V
Supply Rise Time
Shutdown to Turn-On
0.2
ms
Power Supply
VCC Supply Current
No Load (Note 2)
q
0.22
0.5
mA
Supply Leakage Current (VCC)
Shutdown (Note 3)
q
0.2
10
µA
Digital Input Threshold Low
q
1.4
0.8
V
Digital Input Threshold High
q
2.0
1.4
V
VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.
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.
Note 3: Measurements made in the Shutdown mode are performed
with VON/OFF = 0V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Slew Rate
RL = 3k, CL = 51pF
8
30
V/
µs
RL = 3k, CL = 2500pF
3
5
V/
µs
Driver Propagation Delay
tHLD (Figure 1)
q
2
3.5
µs
(TTL to RS232)
tLHD (Figure 1)
q
2
3.5
µs
Receiver Propagation Delay
tHLR (Figure 2)
q
0.3
0.8
µs
(RS232 to TTL)
tLHR (Figure 2)
q
0.3
0.8
µs
TYPICAL PERFORMANCE CHARACTERISTICS
Driver Output Voltage
vs Temperature
TEMPERATURE (°C)
0
–8
–6
–2
0
2
40
10
LTC1382 • TPC01
–4
20
10
50
60
30
70
4
6
8
RL = 3k
VCC = 5V
VCC = 4.5V
OUTPUT HIGH
VCC = 4.5V
VCC = 5V
OUTPUT LOW
DATA RATE (kBAUD)
0
0
5
15
20
25
100
45
LTC1382 • TPC03
10
50
25
125
75
150
175
30
35
40
VCC = 5V
RL = 3k
CL = 2500pF
2 DRIVERS ACTIVE
TEMPERATURE (˚C)
0
1.8
2.0
2.2
30
50
VTH
VTL
LTC1382 • TPC02
1.6
1.4
10
20
40
60
70
1.2
1.0
Receiver Input Thresholds
vs Temperature
Supply Current vs Data Rate



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