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LTC1518CS#TRPBF

更新时间： 2024-01-07 07:25:58
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 181K
描述
LTC1518 - High Speed, Precision Delay RS485 Quad Line Receivers; Package: SO; Pins: 16; Temperature Range: 0°C to 70°C

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LTC1518CS#TRPBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP,
针数：16Reach Compliance Code：compliant
风险等级：5.64输入特性：DIFFERENTIAL SCHMITT TRIGGER
接口集成电路类型：LINE RECEIVER接口标准：EIA-422; EIA-485
JESD-30 代码：R-PDSO-G16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最大接收延迟：25 ns
接收器位数：4座面最大高度：1.75 mm
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：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宽度：3.9 mm
Base Number Matches：1

LTC1518CS#TRPBF 数据手册

 浏览型号LTC1518CS#TRPBF的Datasheet PDF文件第2页浏览型号LTC1518CS#TRPBF的Datasheet PDF文件第3页浏览型号LTC1518CS#TRPBF的Datasheet PDF文件第4页浏览型号LTC1518CS#TRPBF的Datasheet PDF文件第5页浏览型号LTC1518CS#TRPBF的Datasheet PDF文件第6页浏览型号LTC1518CS#TRPBF的Datasheet PDF文件第7页 
LTC1518/LTC1519  
52Mbps Precision Delay  
RS485 Quad Line Receivers  
U
FEATURES  
DESCRIPTIO  
The LTC®1518/LTC1519 are high speed, precision delay  
differential quad bus/line receivers that can operate at data  
rates as high as 52Mbps. They are pin compatible with the  
LTC488/LTC489 RS485 line receivers and operate over the  
entire –7V to 12V common mode range. A unique architec-  
ture provides very stable propagation delays and low skew  
over wide input common mode, input overdrive and ambi-  
enttemperatureranges.Propagationdelayis18.5ns±3.5ns  
over the commercial temperature range. Typical tPLH/tPHL  
and channel-to-channel skew is 500ps.  
■
Precision Propagation Delay: 18.5ns ±3.5ns Over  
0°C to 70°C Temperature Range  
■
High Data Rate: 52Mbps  
■
Low tPLH/tPHL Skew: 500ps Typ  
■
Low Channel-to-Channel Skew: 500ps Typ  
■
Guaranteed Fail-Safe Operation over the Entire  
Common Mode Range  
■
–7V to 12V RS485 Input Common Mode Range  
■
Input Resistance ≥22k, Even When Unpowered  
Hot SwapTM Capable  
■
■
High Common Mode Rejection to 26MHz  
Short-Circuit Protection: 10mA Typ Output Current  
for an Indefinite Short  
Three-State Output Capability  
Will Not Oscillate with Slow Moving Input Signals  
Single 5V Supply  
Pin Compatible with LTC488, LTC489  
Each receiver translates differential input levels ( VID  
≥
■
300mV) into valid CMOS and TTL output levels. Its high  
input resistance (≥22k) allows many receivers to be con-  
nected to the same driver. The receiver outputs go into a  
high impedance state when disabled.  
■
■
■
■
The receivers have a fail-safe feature that guarantees a high  
output state when the inputs are shorted or left floating.  
Other protection features include thermal shutdown and a  
controlled maximum short-circuit current (50mA Max).  
Input resistance remains ≥22k when the device is  
unpowered or disabled, thus allowing hot swapping with-  
out loading the data lines.  
U
APPLICATIO S  
■
High Speed RS485/RS422 Receivers  
■
STS-1/OC-1 Data Receivers  
■
PECL Line Receivers  
Level Translators  
Fast-20/Fast-40 SCSI Receiver  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
■
The LTC1518/LTC1519 operate from a single 5V supply  
and draw 12mA of supply current.  
■
Hot Swap is a trademark of Linear Technology Corporation.  
U
Propagation Delay Guaranteed to Fall  
TYPICAL APPLICATIO  
Within Shaded Area (±3.5ns)  
T
A
= 0°C TO 70°C  
52Mbps Data Communication over Twisted Pair  
RECEIVER  
INPUT  
ID  
RE  
2
RE  
2
V
=
IN  
3V/DIV  
V
= 1.5V  
1
4
1
4
RO  
DI  
RO  
DI  
RECEIVER  
OUTPUT  
DD  
V =  
OUT  
5V/DIV  
7
7
V
= 5V  
100Ω  
100Ω  
6
6
3
3
A 1  
2 B  
1/4 LTC1518  
DE  
DE  
4
EN  
EN  
LTC1685  
LTC1685  
3
12  
RO  
1518/19 F08  
–5  
0
5
10 15 20 25 30 35 40 45  
TIME (ns)  
1518/19 TA02  
1
1234567...12

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