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MAX690A-MAX805L中文资料
MAX690A-MAX805L数据手册规格书PDF详情
General Description
The MAX690A/MAX692A/MAX802L/MAX802M/MAX805L reduce the complexity and number of components required for power-supply monitoring and battery-control functions in microprocessor (µP) systems. They significantly improve system reliability and accuracy compared to separate ICs or discrete components.
These parts provide four functions:
1) A reset output during power-up, power-down, and brownout conditions.
2) Battery-backup switching for CMOS RAM, CMOS µP, or other low-power logic.
3) A reset pulse if the optional watchdog timer has not been toggled within 1.6sec.
4) A 1.25V threshold detector for power-fail warning or low-battery detection, or to monitor a power supply other than +5V.
The parts differ in their reset-voltage threshold levels and reset outputs. The MAX690A/MAX802L/MAX805L generate a reset pulse when the supply voltage drops below 4.65V, and the MAX692A/MAX802M generate a reset below 4.40V. The MAX802L/MAX802M guaran tee power-fail accuracies to ±2. The MAX805L is the same as the MAX690A except that RESET is provided instead of RESET.
All parts are available in 8-pin DIP and SO packages. The MAX690A/MAX802L are pin compatible with the MAX690 and MAX694. The MAX692A/MAX802M are pin compatible with the MAX692.
Features
♦ Precision Supply-Voltage Monitor:
4.65V for MAX690A/MAX802L/MAX805L
4.40V for MAX692A/MAX802M
♦ Reset Time Delay – 200ms
♦ Watchdog Timer – 1.6sec Timeout
♦ Battery-Backup Power Switching
♦ 200µA Quiescent Supply Current
♦ 50nA Quiescent Supply Current in Battery Backup Mode
♦ Voltage Monitor for Power-Fail or Low-Battery Warning
♦ Power-Fail Accuracy Guaranteed to ±2 (MAX802L/M)
♦ Guaranteed RESET Assertion to VCC = 1V
♦ 8-Pin SO and DIP Packages
Applications
Battery-Powered Computers and Controllers
Intelligent Instruments
Automotive Systems
Critical µP Power Monitoring
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
23+ |
NA |
25060 |
只做进口原装,终端工厂免费送样 |
|||
MAXIM |
24+ |
DIP8 |
2250 |
100%全新原装公司现货供应!随时可发货 |
|||
Maxim |
25+ |
25000 |
原厂原包 深圳现货 主打品牌 假一赔百 可开票! |
||||
MAXIM |
23+ |
DIP |
5000 |
原装正品,假一罚十 |
|||
MAXIM |
22+ |
DIP |
8200 |
原装现货库存.价格优势!! |
|||
MAXIM |
23+ |
DIP-8 |
8560 |
受权代理!全新原装现货特价热卖! |
|||
MAXIM |
三年内 |
1983 |
只做原装正品 |
||||
maxim |
20+ |
10000 |
全新现货热卖中欢迎查询 |
||||
MAXIM |
CDIP-8 |
68500 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
MAXIM |
2023+ |
SOP |
50000 |
原装现货 |
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Maxim Integrated Products 美信半导体
Maxim Integrated Products是一家专注于模拟和混合信号集成电路的公司,成立于1983年,总部位于美国加利福尼亚州圣何塞。公司设计和制造广泛应用于电子设备的高性能集成电路,涵盖电源管理、信号处理、传感器和接口等多个领域。 Maxim的产品广泛应用于消费电子、工业、汽车、通信等市场,以其高性能和创新技术著称。公司致力于通过推动技术进步来满足客户的需求,并提供解决方案,帮助客户实现更高的效率和更好的性能。 在2021年,Maxim Integrated被Analog Devices收购,进一步增强了Analog Devices在市场上的竞争力和技术实力。