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參數(shù)資料
| 型號： | LTC1348ISW#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 3.3-5V LPWR 28SOIC |
| 標準包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC |
| 包裝： | 帶卷 (TR) |
2
LTC1348
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
WU
U
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
LTC1348CG
LTC1348CSW
LTC1348IG
LTC1348ISW
(Note 1)
Supply Voltage (VCC) ................................................ 6V
Input Voltage
Driver ....................................... – 0.3V to VCC + 0.3V
Receiver ............................................... – 25V to 25V
Driver/Receiver Enable Pin ........ – 0.3V to VCC + 0.3V
Output Voltage
Driver ................................................... – 25V to 25V
Receiver .................................... – 0.3V to VCC + 0.3V
Short-Circuit Duration
V+ ................................................................... 30 sec
V– ................................................................... 30 sec
Driver Output .............................................. Indefinite
Receiver Output .......................................... Indefinite
Operating Temperature Range
LTC1348C................................................ 0
°C to 70°C
LTC1348I ............................................ – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V+
C2+
C2–
VCC
C1+
C1–
DR1 OUT
RX1 IN
DR2 OUT
RX2 IN
RX3 IN
RX4 IN
DR3 OUT
RX5 IN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V –
C3+
C3–
DR1 IN
RX1 OUT
DR2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DR3 IN
RX5 OUT
DREN
RXEN
GND
TOP VIEW
SW PACKAGE
28-LEAD PLASTIC SO
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 96°C/W (G)
TJMAX = 125°C, θJA = 85°C/W (SW)
ELECTRICAL C
C
HARA TERISTICS
C
D
VCC = 3V to 5.5V, C1 to C4 = 0.1F, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Any Driver
Output Voltage Swing
VCC = 3.3V, 3k to GND
Positive
q
5.0
6.2
V
Negative
q
– 5.0
– 6.0
V
Logic Input Voltage Level
Input Low Level (VOUT = High)
q
0.8
V
Input High Level (VOUT = Low), VCC = 3.3V
q
2.0
V
Input High Level (VOUT = Low), VCC = 5V
q
2.4
V
Logic Input Current
VIN = VCC
q
5
A
VIN = 0V
q
–5
–35
A
Output Short-Circuit Current
VOUT = 0V
±12
mA
Output Leakage Current
Shutdown (Note 3) or Receiver Alive Mode (Note 4),
q
±10
±500
A
VOUT = ±20V
Any Receiver
Input Voltage Thresholds
Input Threshold (Receiver Alive Mode)
0.8
1.5
2.4
V
Input Low Threshold (Normal Mode)
0.8
1.3
V
Input High Threshold (Normal Mode)
1.7
2.4
V
Hysteresis
Normal Mode
0.3
V
Input Resistance
VIN = ±10V
3
5
7
k
Output Voltage
Output Low, IOUT = – 1.6mA
q
0.2
0.4
V
Output High, IOUT = 160A
q
VCC – 0.6V
V
Output Short-Circuit Current
Sinking Current, VOUT = VCC
–3
–20
mA
Output Leakage Current
Shutdown (Note 3), 0V
≤ VOUT ≤ VCC
q
110
A
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