11
LTC1387
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
Figure 14. Full-Duplex RS232 (1-Channel), Half-Duplex RS485
RA
RB
DY
DZ
A
B
Y
Z
RA
RB
DY
DZ/SLEW
ON
VCC
RXEN
DXEN
485/232
CONTROLLER
DX
RXEN
DXEN
MODE
INTERFACE
A
B
Y
Z
RS232
RS485
RS232
RS485
RS232
RS485
SHUTDOWN
MODE
RXEN = 1
RXEN = 0
DXEN = 1
DXEN = 0
MODE = 0
MODE = 1
MODE = X
1387 F15
LTC1387
RX
RXD
TXD
Figure 15. Full-Duplex RS232 (1-Channel), Full-Duplex RS485/RS422
Figure 16. Full-Duplex RS232 (2-Channel), Full-Duplex RS485/RS422 with SLEW Control
RA
RB
DY
DZ
A
B
Y
Z
RA
RB
DY
DZ/SLEW
ON
RXEN
DXEN
485/232
CONTROLLER
DX1
DX2/SLEW
ON
RXEN
DXEN
MODE
INTERFACE
A
B
Y
Z
RS232
RS485
RS232
RS485
RS232
RS485
SHUTDOWN
MODE
ON = 1
ON = 0
RXEN = 1
RXEN = 0
DXEN = 1
DXEN = 0
MODE = 0
MODE = 1
MODE = X
1387 F16
LTC1387
RX1
RX2
RXD
RS232
CTS
TXD
RS232
RTS
RA
RB
DY
DZ
A
B
Y
Z
RA
RB
DY
DZ/SLEW
ON
VCC
RXEN
DXEN
485/232
CONTROLLER
DX
RXEN
DXEN
MODE
INTERFACE
A
B
RS232
RS485
RS232
RS485
SHUTDOWN
MODE
TRANSMIT MODE
RECEIVE MODE
MODE
RXEN = 1
RXEN = 0
RXEN = 1
RXEN = 0
DXEN = 0
DXEN = 1
DXEN = 0
MODE = 0
MODE = 1
MODE = 0
1387 F14
LTC1387
RX
TXD
RXD
相关PDF资料
LTC1400IS8 IC A/D CONV 12BIT W/SHTDN 8-SOIC
LTC1401IS8#TRPBF IC A/D CONV 12BIT W/SHTDN 8-SOIC
LTC1402IGN#TRPBF IC ADC 12BIT 2.2MSPS SHDN 16SSOP
LTC1403AHMSE#TRPBF IC ADC 14BIT 2.8MSPS DIFF 10MSOP
LTC1403AIMSE-1#TRPBF IC ADC 14BIT 2.8MSPS DIFF 10MSOP
LTC1404IS8#TRPBF IC A/D CONV 12BIT W/SHTDN 8-SOIC
LTC1405IGN#TRPBF IC ADC 12BIT 5MSPS SAMPLE 28SSOP
LTC1406IGN#TRPBF IC A/D CONV 8BIT SAMPLING 24SSOP
相关代理商/技术参数
LTC1387IGPBF 制造商:Linear Technology 功能描述:RS-232/RS-485 Transceiver 5V SSOP20
LTC1387ISW 制造商:Linear Technology 功能描述:Single Transmitter/Receiver RS-232/RS-485 20-Pin SOIC W
LTC1387ISW#PBF 功能描述:IC TXRX RS232/RS485 5VSNGL20SOIC 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
LTC1387ISW#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
LTC1387ISW#TRPBF 功能描述:IC TXRX RS232/RS485 5VSNGL20SOIC 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
LTC1387ISWPBF 制造商:Linear Technology 功能描述:RS-232/RS-485 Driver/Receiver SOIC20W
LTC1390CN 功能描述:IC MULTIPLEXER 8X1 16DIP RoHS:否 类别:集成电路 (IC) >> 接口 - 模拟开关,多路复用器,多路分解器 系列:- 标准包装:1,000 系列:- 功能:多路复用器 电路:1 x 4:1 导通状态电阻:- 电压电源:双电源 电压 - 电源,单路/双路(±):±5V 电流 - 电源:7mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC 包装:带卷 (TR)
LTC1390CN#PBF 功能描述:IC MULTIPLEXER 8X1 16DIP RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关,多路复用器,多路分解器 系列:- 标准包装:1,000 系列:- 功能:多路复用器 电路:1 x 4:1 导通状态电阻:- 电压电源:双电源 电压 - 电源,单路/双路(±):±5V 电流 - 电源:7mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC 包装:带卷 (TR)