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參數(shù)資料
| 型號： | LTC1338 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 5V Low Power RS232 5-Driver/3-Receiver Transceiver(5V,低功耗，5發(fā)3收RS-232收發(fā)器) |
| 中文描述： | 5V的低功耗的RS232 5-Driver/3-Receiver收發(fā)器（5V的，低功耗，5發(fā)3收的RS - 232收發(fā)器） |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 197K |
| 代理商： | LTC1338 |
3
LTC1338
V
CC
= 5V, C1 = C2 = C3 = C4 = 0.1
μ
F, unless otherwise noted.
ELECTRICAL C
HARA TERISTICS
C
D
C
HARA TERISTICS
AC
Note 3:
Supply current and leakage current measurements in SHUTDOWN
are performed with V
DRIVER ENABLE
and V
RECEIVER ENABLE
= 0V.
Note 4:
Supply current measurement in RECEIVER ALIVE mode is
performed with V
DRIVER ENABLE
= 0V and V
RECEIVER ENABLE
= V
CC
.
The
G
denotes specifications which apply over the operating temperature
range of 0
°
C to 70
°
C or –40
°
C to 85
°
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. The V
DRIVER ENABLE
and V
RECEIVER ENABLE
= V
CC
.
PARAMETER
Slew Rate
CONDITIONS
R
L
= 3k, C
L
= 51pF
R
L
= 3k, C
L
= 2500pF
t
HLD
(Figure 1)
t
LHD
(Figure 1)
t
HLR
(Figure 2)
t
LHR
(Figure 2)
MIN
TYP
8
5
2
2
0.3
0.2
MAX
30
UNITS
V/
μ
s
V/
μ
s
3
Driver Propagation Delay
(TTL to RS232)
Receiver Propagation Delay
(RS232 to TTL)
G
G
3.5
3.5
0.8
0.8
μ
s
μ
s
μ
s
μ
s
G
G
V
CC
= 5V, C1 = C2 = C3 = C4 = 0.1
μ
F, unless otherwise noted.
TYPICAL PERFOW U
DATA RATE (k BAUD)
0
S
40
50
60
60
100
LTC1338 TPC03
30
20
20
40
80
120
140
10
0
V
CC
= 5V
R
L
= 3k
C
= 2500pF
5 DRIVERS ACTIVE
TEMPERATURE (C)
–40
T
1.8
2.0
2.2
20
60
LTC1338 TPC02
1.6
1.4
–20
0
40
80
100
1.2
1.0
V
TH
V
TL
TEMPERATURE (°C)
–40
–8
D
–6
–2
0
2
40
10
LTC1338 TPC01
–4
0
80
4
6
8
–20
60
20
100
R
L
= 3k
OUTPUT HIGH
V
CC
= 5V
V
CC
= 4.5V
OUTPUT LOW
V
CC
= 4.5V
V
CC
= 5V
Driver Output Voltage
Receiver Input Thresholds
Supply Current vs Data Rate
PARAMETER
Power Supply
V
CC
Supply Current
CONDITIONS
MIN
TYP
MAX
UNITS
No Load (All Driver V
IN
= V
CC
)(Note 2) 0
°
C
≤
T
A
≤
70
°
C
No Load (All Driver V
IN
= 0V)(Note 2) 0
°
C
≤
T
A
≤
70
°
C
No Load (All Driver V
IN
= V
CC
)(Note 2) –40
°
C
≤
T
A
≤
85
°
C
No Load (All Driver V
IN
= 0V)(Note 2) –40
°
C
≤
T
A
≤
85
°
C
RECEIVER ALIVE Mode (Note 4)
SHUTDOWN (Note 3)
0.5
1.0
0.5
1.0
50
0.2
1.4
1.4
1.0
1.5
1.5
2.0
80
10
0.8
mA
mA
mA
mA
μ
A
μ
A
G
Supply Leakage Current (V
CC
)
Driver/Receiver Enable Threshold Low
Driver/Receiver Enable Threshold High
G
G
V
V
G
2.0
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