参数资料
型号: LTC1545IG#TR
厂商: Linear Technology
文件页数: 15/16页
文件大小: 0K
描述: IC TXRX SOFTWARE SELECTBL 36SSOP
标准包装: 2,000
类型: 收发器
驱动器/接收器数: 5/5
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 36-SSOP(0.209",5.30mm 宽)
供应商设备封装: 36-SSOP
包装: 带卷 (TR)
8
LTC1545
APPLICATIONS INFORMATION
WU
U
LTC1543
DCE
DTE
LTC1543
LTC1344A
1545 F09
D3
R1
103
103
103
R3
LTC1545
D3
D4
D2
R1
R2
R3
LL
TM
RI
RL
TXC
RXC
RXD
TXD
SCTE
TXC
RXC
RXD
SERIAL
CONTROLLER
D2
103
SCTE
R2
D1
103
TXD
R3
R1
D2
D1
LTC1545
R2
R1
R3
D2
D1
D4
D5
TXD
SCTE
TXC
RXC
RXD
RTS
DTR
DCD
DSR
CTS
LL
TM
RTS
DTR
DCD
DSR
CTS
RTS
DTR
DCD
DSR
CTS
LL
TM
RI
RL
RI
RL
SERIAL
CONTROLLER
R2
R4
D3
R4
R5
D5
R5
D1
The mode selection may also be accomplished by using
jumpers to connect the mode pins to ground or VCC.
Cable Termination
Traditional implementations have included switching
resistors with expensive relays, or required the user to
change termination modules every time the interface
standard has changed. Custom cables have been used
The internal pull-up current sources will ensure a binary 1
when a pin is left unconnected and that the LTC1543/
LTC1545 and the LTC1344A enter the no-cable mode
when the cable is removed. In the no-cable mode the
LTC1543/LTC1545 supply current drops to less than
200
A and all LTC1543/LTC1545 driver outputs and
LTC1344A resistive terminations are forced into a high
impedance state.
Figure 9. Complete Multiprotocol Interface in EIA530 Mode
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