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LTC1685CS8#TRPBF PDF预览

LTC1685CS8#TRPBF

更新时间： 2024-01-30 03:46:28
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 273K
描述
LTC1685 - 52Mbps, Precision Delay, RS485 Fail-Safe Transceiver; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

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中文翻译

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LTC1685CS8#TRPBF 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, SOP8,.25
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.04差分输出：YES
驱动器位数：1高电平输入电流最大值：0.000001 A
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422; EIA-485JESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.905 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：最小输出摆幅：1.5 V
最大输出低电流：0.004 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified最大接收延迟：22 ns
接收器位数：1座面最大高度：1.752 mm
子类别：Line Driver or Receivers最大压摆率：12 mA
最大供电电压：5.25 V最小供电电压：4.75 V
标称供电电压：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
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：30最大传输延迟：22 ns
宽度：3.899 mmBase Number Matches：1

LTC1685CS8#TRPBF 数据手册

 浏览型号LTC1685CS8#TRPBF的Datasheet PDF文件第2页浏览型号LTC1685CS8#TRPBF的Datasheet PDF文件第3页浏览型号LTC1685CS8#TRPBF的Datasheet PDF文件第4页浏览型号LTC1685CS8#TRPBF的Datasheet PDF文件第5页浏览型号LTC1685CS8#TRPBF的Datasheet PDF文件第6页浏览型号LTC1685CS8#TRPBF的Datasheet PDF文件第7页 
LTC1685  
52Mbps, Precision Delay,  
RS485 Fail-Safe Transceiver  
U
DESCRIPTION  
FEATURES  
The LTC®1685 is a high speed, precision delay RS485  
transceiverthatcanoperateatdataratesashighas52Mbps.  
The device also meets the requirements of RS422.  
■
Precision Propagation Delay Over Temperature:  
Receiver/Driver: 18.5ns  
High Data Rate: 52Mbps  
Low tPLH/tPHL Skew:  
±3.5ns  
■
■
A unique architecture provides very stable propagation  
delays and low skew over a wide common mode and  
ambient temperature range.  
Receiver/Driver: 500ps Typ  
■
■
–7V to 12V RS485 Input Common Mode Range  
Guaranteed Fail-Safe Receiver Operation Over the  
Entire Common Mode Range  
High Receiver Input Resistance: ≥22k, Even When  
Unpowered  
The driver and receiver feature three-state outputs, with  
disabled driver outputs maintaining high impedance over  
the entire common mode range. A short circuit feature  
detects shorted outputs and substantially reduces driver  
output current. A similar feature also protects the receiver  
output from short circuits. Thermal shutdown circuitry  
protects from excessive power dissipation.  
■
■
■
■
Short-Circuit Protected  
Thermal Shutdown Protected  
Driver Maintains High Impedance in Three-State or  
with Power Off  
■
■
■
Single 5V Supply  
The receiver has a fail-safe feature that guarantees a high  
output state when the inputs are shorted or are left floating.  
The LTC1685 RS485 transceiver guarantees receiver fail-  
safe operation over the entire common mode range (–7V  
to 12V). Input resistance will remain ≥22k when the device  
is unpowered or disabled.  
Pin Compatible with LTC485  
45dB CMRR at 26MHz  
U
APPLICATIONS  
■
High Speed RS485/RS422 Transceivers  
■
Level Translator  
The LTC1685 operates from a single 5V supply and draws  
only 7mA of supply current.  
■
Backplane Transceiver  
STS-1/OC-1 Data Transceiver  
Fast-20, Fast-40 SCSI Transceivers  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
■
U
TYPICAL APPLICATION  
10Mbps Data Pulse  
400ft Category 5 UTP  
RO1  
V
CC1  
R
RE1  
DE1  
DI1  
DRIVER INPUT  
2V/DIV  
Rt  
Rt  
CABLE DELAY  
D
GND1  
RECEIVER  
INPUT  
1V/DIV  
5V/DIV  
RO2  
RE2  
DE2  
DI2  
V
CC2  
R
RECEIVER  
OUTPUT  
D
GND2  
100ns/DIV  
1685 TA01  
1685 TA02  
1
1234567...12

中文翻译

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