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参数资料
| 型号： | LTC1387CG#TR |
| 厂商： | Linear Technology |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232/RS485 5V 20SSOP |
| 标准包装： | 1,800 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232，RS485 |
| 电源电压： | 5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
2
LTC1387
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
ORDER PART
NUMBER
(Note 1)
Supply Voltage (VCC) ............................................. 6.5V
Input Voltage
Drivers ................................... – 0.3V to (VCC + 0.3V)
Receivers ............................................. – 25V to 25V
485/232, ON, DXEN
RXEN, SLEW ........................... – 0.3V to (VCC + 0.3V)
Output Voltage
Drivers ................................................. – 18V to 18V
Receivers ............................... – 0.3V to (VCC + 0.3V)
Short-Circuit Duration
Output ........................................................ Indefinite
VDD, VEE, C1+, C1–, C2+, C2–.......................... 30 sec
Operating Temperature Range
LTC1387C .............................................. 0
°C to 70°C
LTC1387I ........................................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................ 300
°C
WU
U
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
TJMAX = 125°C, θJA = 120°C/W (G)
TJMAX = 125°C, θJA = 75°C/W (SW)
1
2
3
4
5
6
7
8
9
10
TOP VIEW
SW PACKAGE
20-LEAD PLASTIC SO
G PACKAGE
20-LEAD PLASTIC SSOP
20
19
18
17
16
15
14
13
12
11
C1+
C1–
VDD
A
B
Y
Z
485/232
DXEN
GND
C2+
C2–
VCC
RA
RB
DY
DZ/SLEW
ON
RXEN
VEE
DC ELECTRICAL CHARACTERISTICS
LTC1387CG
LTC1387CSW
LTC1387IG
LTC1387ISW
TA = 25°C, VCC = 5V, C1 = C2 = C3 = C4 = 0.1F (Notes 2, 3), unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RS485 Driver (485/232 = High, ON = DXEN = High)
VOD1
Differential Driver Output Voltage (Unloaded)
IO = 0
q
6V
VOD2
Differential Driver Output Voltage (With Load)
Figure 1, R = 50
(RS422)
q
2.0
6
V
Figure 1, R = 27
(RS485)
q
1.5
6
V
VOD
Change in Magnitude of Driver Differential
Figure 1, R = 27
or R = 50
q
0.2
V
Output Voltage for Complementary Output States
VOC
Driver Common Mode Output Voltage
Figure 1, R = 27
or R = 50
q
3V
VOC
Change in Magnitude of Driver Common Mode
Figure 1, R = 27
or R = 50
q
0.2
V
Output Voltage for Complementary Output States
IOSD
Driver Short-Circuit Current
VO = – 7V, 12V; VO = High
q
35
250
mA
VO = – 7V, 12V; VO = Low (Note 4)
q
10
250
mA
IOZD
Three-State Output Current (Y, Z)
– 7V
≤ VO ≤ 12V
±5
500
A
RS232 Driver (485/232 = Low, ON = DXEN = High)
VO
Output Voltage Swing
Figure 4, RL = 3k, Positive
q
5
6.5
V
Figure 4, RL = 3k, Negative
q
–5
–6.5
V
IOSD
Output Short-Circuit Current
VO = 0V
q
±17
±60
mA
Driver Inputs and Control Inputs
VIH
Input High Voltage
DY, DZ, DXEN, RXEN, ON, 485/232, SLEW
q
2V
VIL
Input Low Voltage
DY, DZ, DXEN, RXEN, ON, 485/232, SLEW
q
0.8
V
IIN
Input Current
DY, DZ, DXEN, RXEN, ON, 485/232
q
±0.1
±10
A
SLEW (Note 5)
q
5
15
A
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| LTC1387CSW | 功能描述:IC TXRX RS232/RS485 5VSNGL20SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
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| LTC1387CSW#TR | 功能描述:IC TXRX RS232/RS485 5V 20SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
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