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IMP708JCPA PDF预览

IMP708JCPA

更新时间： 2024-01-29 01:40:57
品牌 Logo 应用领域
IMP 监控
页数 文件大小 规格书
8页 227K
描述
3/3.3/4.0V レP SUPERVISOR CIRCUITS

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IMP708JCPA 技术参数

生命周期：Contact Manufacturer包装说明：SOP, SOP8,.25
Reach Compliance Code：unknown风险等级：5.69
Is Samacsys：N可调阈值：NO
JESD-30 代码：R-PDSO-G8端子数量：8
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
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：1.2/5.5 V
认证状态：Not Qualified子类别：Power Management Circuits
最大供电电流 (Isup)：0.14 mA表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL阈值电压标称：+3.08V
Base Number Matches：1

IMP708JCPA 数据手册

 浏览型号IMP708JCPA的Datasheet PDF文件第2页浏览型号IMP708JCPA的Datasheet PDF文件第3页浏览型号IMP708JCPA的Datasheet PDF文件第4页浏览型号IMP708JCPA的Datasheet PDF文件第5页浏览型号IMP708JCPA的Datasheet PDF文件第6页浏览型号IMP708JCPA的Datasheet PDF文件第7页 
IMP706P/R/S/T/J, IMP708R/S/T/J  
P
OWER  
M
ANAGEMENT  
Key Features  
3/3.3/4.0V µP Supervisor Circuits  
– Low supply current  
– Watchdog timer  
– Brownout detection  
The IMP706P/R/S/T/J and IMP708R/S/T/J CMOS supervisor circuits  
monitor power-supply and battery voltage level, and µP/µC operation.  
A reset is generated when the supply drops below 2.63V (IMP706P/R,  
IMP708R), 2.93V (IMP706S, IMP708S), 3.08V (IMP706T, IMP708T) or 4.00  
(IMP706J, IMP708J).  
ꢀ
ꢀ
Lower power, pin compatible replacements for  
Maxim MAX706P/R/S/T, MAX708R/S/T  
– 30% lower supply current:140µA vs. 200µA  
Precision power supply monitor  
– 2.63V threshold (IMP706P/R, IMP708R)  
– 2.93V threshold (IMP706S, IMP708S)  
– 3.08V threshold (IMP706T, IMP708T)  
– New 4.00V threshold (IMP706J, IMP708J)  
Debounced manual reset input  
Auxiliary voltage monitor comparator  
– 1.25V threshold  
– Battery monitor/auxiliary supply monitor  
Watchdog timer (IMP706P/R/S/T/J)  
– Watchdog can be disabled by floating WDI  
200ms reset time delay  
ꢀ
ꢀ
The family offers several functional options. Each device generates a  
reset signal during power-up, power-down and during brownout  
conditions.  
ꢀ
In addition, the IMP706P/R/S/T/J feature a 1.6 second watchdog timer.  
The watchdog timer output will trigger a reset if connected to MR.  
Unlike competitive devices, floating the WDI input pin disables the  
watchdog timer.  
ꢀ
ꢀ
Three reset signal options  
– Active HIGH: IMP706P  
– Active LOW: IMP706R/S/T/J  
– Active HIGH & LOW outputs: IMP708R/S/T/J  
DIP, SO and MicroSO packages  
Guaranteed RESET assertion to VCC = 1.1V  
The IMP708R/S/T/J have both active-HIGH and active-LOW reset out-  
puts but no watchdog function. The IMP706P has the same pin-out and  
functions as the IMP706R but has an active-HIGH reset output.  
ꢀ
ꢀ
A versatile power-fail circuit, useful in checking battery levels and  
non-5V supplies, has a 1.25V threshold. All devices have a manual  
reset input.  
Applications  
All devices are available in 8-pin DIP, SO and the compact MicroSO  
packages. The MicroSO package requires 50% less PC board area than  
the conventional SO package.  
ꢀ Computers and controllers  
ꢀ CTI applications  
ꢀ Embedded controllers  
ꢀ Battery operated systems  
ꢀ Intelligent instruments  
ꢀ Wireless communication systems  
ꢀ PDAs and handheld equipment  
Block Diagrams  
Transition  
Detector  
Watchdog  
Timer  
WDI  
WDO  
RESET  
RESET  
VCC  
20kΩ  
VCC  
Timebase  
20kΩ  
RESET  
Generator  
MR  
MR  
RESET  
(RESET) IMP706P  
RESET  
Generator  
+
+
VCC  
VCC  
+
–
+
–
2.63V (IMP706P/R)  
2.93V (IMP706S)  
3.08V (IMP706T)  
4.00V (IMP706J)  
2.63V (IMP708R)  
2.93V (IMP708S)  
3.08V (IMP708T)  
4.00V (IMP708J)  
+
PFI  
+
–
PFI  
PFO  
PFO  
–
1.25V  
1.25V  
IMP708R/S/T/J  
IMP706P/R/S/T/J  
706P_02.eps  
706P_01.eps  
GND  
GND  
©
1999 IMP, Inc.  
408-432-9100/www.impweb.com  
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