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MAX4505

更新时间: 2024-11-24 14:57:39
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
8页 119K
描述
故障保护、高电压、信号线路保护器

MAX4505 数据手册

 浏览型号MAX4505的Datasheet PDF文件第2页浏览型号MAX4505的Datasheet PDF文件第3页浏览型号MAX4505的Datasheet PDF文件第4页浏览型号MAX4505的Datasheet PDF文件第5页浏览型号MAX4505的Datasheet PDF文件第6页浏览型号MAX4505的Datasheet PDF文件第7页 
19-1514; Rev 0; 7/99  
Fault-Protected, High-Voltage,  
Signal-Line Protector  
MAX405  
General Description  
Features  
The MAX4505 is a single signal-line protector featuring a  
fault-protected input and Rail-to-Rail® signal handling  
capability. The input is protected from overvoltage faults  
up to ±±36 ꢀith poꢀer on or ±406 ꢀith poꢀer off. ꢁuring  
a fault condition, the input terminal becomes an open cir-  
cuit and only nanoamperes of leakage current floꢀ from  
the source, ꢀhile the sꢀitch output (AOUT) furnishes typ-  
ically 19mA from the appropriate polarity supply to the  
load. This ensures an unambiguous rail-to-rail output  
ꢀhen a fault begins and ends.  
Overvoltage Protection  
±40V with Power Off  
±36V with Power On  
Open Signal Paths with Power Off  
Output Clamps to Either Rail with an Input  
Overvoltage  
100max On-Resistance  
10ns Overvoltage Turn-On Delay  
No Latchup During Power Sequencing  
Rail-to-Rail Signal Handling  
The MAX4505 protects both unipolar and bipolar analog  
signals using either unipolar (+96 to +±36) or bipolar  
(±6 to ±1ꢂ6) poꢀer supplies. The device has no logic  
control inputs; the protector is alꢀays on ꢀhen the sup-  
plies are on. On-resistance is 100max, and on-leakage  
is less than 0.5nA at T = +25°C. The MAX4505 is avail-  
A
able in 5-pin SOT2± and ꢂ-pin µMAX packages.  
500Output Clamp Resistance During  
Overvoltage  
Tiny 5-Pin SOT23 Package  
Applications  
Ordering Information  
Process Control Systems  
Hot-Insertion Boards/Systems  
ꢁata-Acquisition Systems  
Redundant/Backup Systems  
ATE Equipment  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP. RANGE  
MAX4505EUK-T -40°C to +ꢂ5°C  
5 SOT2±-5  
ꢂ µMAX  
AꢁLW  
MAX4505EUA  
-40°C to +ꢂ5°C  
Sensitive Instruments  
Typical Operating Circuit  
Pin Configurations  
TOP VIEW  
V-  
V+  
V-  
V+  
MAX4505  
V-  
AIN  
V+  
1
2
3
5
4
V-  
V+  
MAX4505  
RAIL  
SENSOR  
AOUT  
N.C.  
AOUT  
OUT  
IN  
AIN  
SOT23-5  
R
OUT  
Pin Configurations continued at end of data sheet.  
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  

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