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参数资料
| 型号： | LTC1347CSW#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 5V RS232 LOW PWR 28-SOIC |
| 标准包装： | 27 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 5V |
| 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 |
1
LTC1347
1347fa
5V Low Power RS232
3-Driver/5-Receiver Transceiver
with 5 Receivers Active
in Shutdown
■
Low Supply Current: 300A
■
Five Receivers Kept Alive in Shutdown
■
ESD Protection Over ±10kV
■
Operates from a Single 5V Supply
■
Uses Small Capacitors: 0.1F
■
Operates to 120kBaud
■
Three-State Outputs Are High Impedance When Off
■
Output Overvoltage Does Not Force Current Back
into Supplies
■
RS232 I/O Lines Can Be Forced to ±25V
Without Damage
■
Pin Compatible with LT1137A and LT1237
■
Flowthrough Architecture
The LTC
1347 is a 3-driver/5-receiver RS232 transceiver
with very low supply current. In the no load condition, the
supply current is only 300A. The charge pump only
requires four 0.1F capacitors.
In Shutdown mode, all five receivers are kept alive and the
supply current is 80A. All RS232 outputs assume a high
impedance state in Shutdown and with the power off.
The LTC1347 is fully compliant with all data rate and
overvoltage RS232 specifications. The transceiver can
operate up to 120kbaud with a 2500pF, 3k load. Both
driver outputs and receiver inputs can be forced to ±25V
without damage, and can survive multiple ±10kV ESD
strikes.
■
Notebook Computers
■
Palmtop Computers
3-Drivers/5-Receivers with Shutdown
Quiescent and Shutdown Supply Current
vs Temperature
1347 TA01
VCC
C1
0.1F
LTC1347
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DRIVER 1 OUT
RX1 IN
DRIVER 2 OUT
RX2 IN
RX3 IN
RX4 IN
DRIVER 3 OUT
RX5 IN
ON/OFF
NC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C3
0.1F
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT
GND
NC
V–
V+
C2
0.1F
C4
0.1F
TEMPERATURE (°C)
QUIESCENT
CURRENT
(
A)
1200
1000
800
600
400
200
0
20
40
60
1347 TA02
80
0
–40
120
100
80
60
40
20
0
SHUTDOWN
CURRENT
(
A)
QUIESCENT
CURRENT
SHUTDOWN
CURRENT
TEST CONDITION:
VCC = 5V, ALL DRIVER INPUTS TIED TO VCC.
–20
100
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1348CG | 功能描述:IC TXRX 3.3V/5V RS232 28-SSOP 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 |
| LTC1348CG#PBF | 功能描述:IC TXRX 3.3V/5V RS232 28-SSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP（0.209"，5.30mm 宽） 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2 |
| LTC1348CG#TR | 功能描述:IC TXRX RS232 3.3-5V LPWR 28SSOP 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 |
| LTC1348CG#TRPBF | 功能描述:IC TXRX 3.3V/5V RS232 28-SSOP RoHS:是 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 |
| LTC1348CGPBF | 制造商:LT 功能描述:Pb Free |
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