参数资料
型号: LTC1687CS
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC TXRX RS485 PREC DELAY 14-SOIC
标准包装: 55
类型: 收发器
驱动器/接收器数: 1/1
规程: RS422,RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 管件
10
LTC1686/LTC1687
APPLICATIONS INFORMATION
WU
U
1686/87 F11a
DRIVER
INPUT
RECEIVER
OUTPUT
10ns/DIV
2V/DIV
Figure 11a. 100 Feet of Category 5 UTP: 50Mbps
DC and AC attenuation over long distances. Figure 14a
shows a 1
s pulse propagated down 4000 feet of category
5 UTP. Notice the significant attenuation at the receiver
input and the clean pulse at the receiver output. The DC
attenuation is due to the parasitic resistance of the cable.
Figure 14b shows a 1Mbps square wave over the same
4000 feet of cable.
1686/87 F12
DRIVER
INPUT
RECEIVER
OUTPUT
100ns/DIV
2V/DIV
Figure 12. 1000 Feet of Category 5 UTP: 4Mbps
1686/87 F13
DRIVER INPUT
DIFFERENTIAL
RECEIVER
INPUT
RECEIVER
OUTPUT
20ns/DIV
2V/DIV
1685 F11b
RECEIVER
INPUT
DRIVER
INPUT
RECEIVER
OUTPUT
20ns/DIV
2V/DIV
5V/DIV
2V/DIV
CABLE DELAY
Figure 11b. 100 Feet of Category 5 UTP: 20ns Pulse
Figure 13. 100 Feet of Telephone Grade UTP: 30Mbps
1685 F14a
RECEIVER
INPUT
DRIVER
INPUT
RECEIVER
OUTPUT
1
s/DIV
1V/DIV
5V/DIV
2V/DIV
CABLE DELAY
Figure 14a. 4000 Feet of Category 5 UTP 1
s Pulse
1685 F14b
DRIVER
INPUT
RECEIVER
OUTPUT
1
s/DIV
5V/DIV
2V/DIV
Figure 14b. 4000 Feet of Category 5 UTP 1Mbps Square Wave
1.6Mbps Over 8000 Feet (1.5 Miles)
Category 5 UTP Using Repeaters
The LTC1686/LTC1687 can be used as repeaters to extend
the effective length of a high speed twisted-pair line. Figure
15a shows a three repeater configuration using 2000 feet
segments of category 5 UTP. Figure 15b shows the
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LTC1687CS#PBF 功能描述:IC TXRX RS485 PREC DELAY 14-SOIC 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
LTC1687CS#TR 功能描述:IC TXRX RS485 PREC DELAY 14SOIC 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
LTC1687CS#TRPBF 功能描述:IC TXRX RS485 PREC DELAY 14-SOIC 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
LTC1687CSPBF 制造商:Linear Technology 功能描述:RS-485 Driver/Receiver 52Mbps Delay SO14
LTC1687IS 功能描述:IC TXRX RS485 PREC DELAY 14-SOIC 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