Analog Devices Inc. ADM83xx监控电路
Analog Devices ADM83xx监控电路来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。每款器件均提供26种复位阈值选项，在2.5 V至5 V范围内，以100mV递增。另外还有四个复位超时选项：1 ms、20 ms、140 ms和1120 ms(最小值)，以及四个看门狗超时选项：6.3 ms、102 ms、1.6 s和25.6 s(典型值)。ADM83xx采用5引脚SOT-23封装，功耗典型值仅为10µA，适用于低功耗、便携式应用。
Each part is available in a choice of 26 reset threshold options ranging from 2.5V to 5V in 100mV increments. There are also four reset timeout options of 1ms, 20ms, 140ms, and 1120ms (minimum) and four watchdog timeout options of 6.3ms, 102ms, 1600ms, and 25.6sec (typical). The ADM83xx are available in 5-lead SOT-23 packages and typically consume only 10µA, making them suitable for use in low power portable applications.
特性
- 26 reset threshold options
- 2.5V to 5V in 100mV increments
- 4 reset timeout options
- 1ms, 20ms, 140ms, and 1120ms (minimum)
- 4 watchdog timeout options
- 6.3ms, 102ms, 1600ms, and 25.6sec (typical)
- 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
视频
Block Diagram
发布日期: 2014-01-24
| 更新日期: 2022-03-11