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LTC1689CS PDF预览

LTC1689CS

更新时间: 2024-02-05 11:06:08
品牌 Logo 应用领域
凌特 - Linear 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
12页 163K
描述
100Mbps RS485 Hot Swapable Quad Drivers

LTC1689CS 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP,
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.29差分输出:YES
驱动器位数:4输入特性:STANDARD
接口集成电路类型:LINE DRIVER接口标准:EIA-422; EIA-485
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:9.9 mm湿度敏感等级:1
功能数量:4端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):250认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压:5.25 V
最小供电电压:3 V标称供电电压:5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED最大传输延迟:12 ns
宽度:3.9 mmBase Number Matches:1

LTC1689CS 数据手册

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LTC1688/ LTC1689  
100Mb p s RS485  
Ho t Swa p a b le Qua d Drive rs  
U
DESCRIPTIO  
FEATURES  
Ultrahigh Speed: 100Mbps  
Guaranteed Propagation Delay: 8ns ±4ns  
Over Temperature  
50Mbps Operation with VDD = 3V  
Low Channel-to-Channel Skew: 500ps Typ  
Low tPLH/tPHL Skew: 500ps Typ  
Hot SwapTM Capable  
Driver Outputs Maintain High Impedance in  
Three-State or with Power Off  
Short-Circuit Protected: 3mA Typ Output Current  
for an Indefinite Short  
The LTC®1688/LTC1689 are ultrahigh speed, differential  
bus/line drivers that can operate at data rates up to  
100Mbps. Propagation delay is guaranteed at 8ns ±4ns  
over the full operating temperature range. These devices  
operate over the full RS485 common mode range (7V  
to 12V), and also meet RS422 requirements.  
The driver outputs are Hot Swap capable, maintaining  
backplane data integrity during board insertion and  
removal. The drivers feature three-state outputs, maintain-  
ing high impedance over the entire common mode range  
(7V to 12V). Outputs also remain high impedance during  
power-up and with the power off. A short-circuit feature  
detects bus contention and substantially reduces driver  
output current. Thermal shutdown circuitry protects the  
parts from excessive power dissipation.  
Thermal Shutdown Protected  
Single 5V or 3V Supply  
Pin Compatible with LTC486/LTC487  
U
APPLICATIO S  
The LTC1688 allows all four drivers to be enabled together,  
while the LTC1689 allows two drivers at a time to be  
enabled.  
High Speed RS485 Twisted-Pair Drivers  
High Speed Backplane Drivers  
Complementary Clock Drivers  
STS-1/OC-1 Data Drivers  
The LTC1688/LTC1689 operate from a single 5V or 3V  
supply and draw only 9mA of supply current.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Hot Swap is a trademark of Linear Technology Corporation.  
SCSI Drivers  
U
TYPICAL APPLICATIO  
20ns Pulse Across 100 Feet  
of Category 5 UTP  
2V/DIV  
2V/DIV  
50Mbps RS485 Data Connection  
CABLE DELAY  
100Ω  
100Ω  
DRIVER  
RECEIVER  
100 FT CATEGORY 5 UTP  
2V/DIV  
5V/DIV  
1/4 LTC1688  
1/4 LTC1518  
1688/89 TA01  
20ns/DIV  
1688/89 TA02  
1

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