Analog Devices Inc. ADM8321监控电路
Analog Devices ADM8321监控电路监控微处理器系统的电源电压和代码执行完整性。片内看门狗定时器不仅能提供上电复位信号,若微处理器未能在预设超时周期内发出选通脉冲,还能复位微处理器。复位信号也可以由外部按钮开关通过手动复位输入引脚置位。它特有看门狗输入、输出级配置(开漏与推挽)。该器件具有3.0V的复位阈值、1ms的复位超时(最小值)和1.6s的超时(典型值)。它采用5引脚SOT-23封装,功耗典型值仅为10µA,使其成为低功耗、便携式应用的理想选择。
特性
- Manual reset input
- Multiple reset output options
- Low power consumption
- Specified over wide temperature range (-40°C to +125°C)
- Qualified for automotive applications
- 5-lead SOT-23 package
应用
- Automotive infotainment
- Microprocessor systems
- Computers
- Controllers
- Intelligent instruments
- Portable equipment
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Typical Application Circuit