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參數資料
| 型號： | LTC1384ISW#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX 5V RS232 LOW PWR 18-SOIC |
| 標準包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 2/2 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 18-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 18-SOIC |
| 包裝： | 帶卷 (TR) |
3
LTC1384
1384fa
DC ELECTRICAL CHARACTERISTICS
AC CHARACTERISTICS
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/s
RL = 3k, CL = 2500pF
3
5
V/s
Driver Propagation Delay
tHLD (Figure 1)
●
2
3.5
s
(TTL to RS232)
tLHD (Figure 1)
●
2
3.5
s
Receiver Propagation Delay
tHLR (Figure 2)
●
0.3
0.8
s
(RS232 to TTL)
tLHR (Figure 2)
●
0.3
0.8
s
Driver Output Voltage
vs Temperature
TEMPERATURE (C)
0
THRESHOLD
VOLTAGE
(V)
1.8
2.0
2.2
30
50
VTH
VTL
1.6
1.4
10
20
40
60
70
1.2
1.0
DATA RATE (kBAUD)
0
SUPPLY
CURRENT
(mA)
5
15
20
25
100
45
10
50
25
125
75
150
175
30
35
40
VCC = 5V
RL = 3k
CL = 2500pF
2 DRIVERS ACTIVE
Receiver Input Thresholds
vs Temperature
Supply Current vs Data Rate
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
0
–8
DRIVER
OUTPUT
VOLTAGE
(V)
–6
–2
0
2
40
10
–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
The ● denotes specifications which apply over the full operating temperature range.
VCC = 5V, C1 = C2 = C3 = C4 = 0.1F,unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Short-Circuit Current
Sinking Current, VOUT = VCC
–15
– 40
mA
Sourcing Current, VOUT = 0V
10
20
mA
Output Leakage Current
EN = VCC, 0V ≤ VOUT ≤ VCC
●
110
A
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), 0°C to 70°C
●
0.22
0.5
mA
No Load (Note 2), –40°C to 85°C
●
0.35
1.0
mA
Supply Leakage Current (VCC)Shutdown (Note 3)
●
35
50
A
Digital Input Threshold Low
●
1.4
0.8
V
Digital Input Threshold High
●
2.0
1.4
V
The ● denotes specifications which apply over the full operating
temperature range. VCC = 5V, C1 = C2 = C3 = C4 = 0.1F, VON/OFF = VCC, RX EN = 0V, unless otherwise noted.
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