MAX706P - 监视+3V电压、低成本、微处理器监控电路
MAX706P是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX706P是监视+3V电压、低成本、微处理器监控电路，本站介绍了MAX706P的封装应用图解、特点和优点、功能等，并给出了与MAX706P相关的Maxim元器件型号供参考。
MAX706P - 监视+3V电压、低成本、微处理器监控电路 - 监控电路、电压监测、排序 - Maxim美信半导体高性能芯片品质 - 美信半导体
产品概述
The MAX706P/R/S/T, MAX706AP/AR/AS/AT, and MAX708R/S/T microprocessor (µP) supervisory circuits reduce the complexity and number of components required to monitor +3V power-supply levels in +3V to +5V µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.
The MAX706P/R/S/T and MAX706AP/AR/AS/AT supervisory circuits provide the following four functions:
1) A reset output during power-up, power-down, and brownout conditions.
2) An independent watchdog output that goes low if the watchdog input has not been toggled within 1.6s.
3) A 1.25V threshold detector for power-fail warning, low-battery detection, or for monitoring a power supply other than the main supply.
4) An active-low, manual-reset input.
The only difference between the MAX706R/AR, MAX706S/AS, and MAX706T/AT is the reset-threshold voltage levels, which are 2.63V, 2.93V, and 3.08V, respectively. All have active-low reset output signals. The MAX706P/AP are identical to the MAX706R/AR, except the reset output signal is active-high. The watchdog timer function for the MAX706AP/AR/AS/AT disables when the WDI input is left open or connected to a high-impedance state of a low-leakage tri-state output.
The MAX708R/S/T provide the same functions as the MAX706R/S/T and MAX706AR/AS/AT except they do not have a watchdog timer. Instead, they provide both active-low RESET and RESET outputs. As with the MAX706, devices with R, S, and T suffixes have reset thresholds of 2.63V, 2.93V, and 3.08V, respectively.
These devices are available in 8-pin SO, DIP, and µMAX® packages and are fully specified over the operating temperature range.
关键特性
以下关键特性由Maxim美信半导体提供： µMAX Package, Small 8-Pin SO Precision Supply-Voltage Monitors2.63V (MAX706P/R, MAX706AP/AR, and MAX708R)2.93V (MAX706S, MAX706AS, and MAX708S)3.08V (MAX706T, MAX706AT, and MAX708T) 200ms Reset Time Delay Debounced TTL/CMOS-Compatible Manual Reset Input 100µA Quiescent Current WDI Disable Feature (MAX706AP/AR/AS/AT) Watchdog Timer: 1.6s Timeout Reset Output Signal:Active-High Only (MAX706P, MAX706AP)Active-Low Only (MAX706R/S/T, MAX706AR/AS/AT)Active-High and Active-Low (MAX708R/S/T) Voltage Monitor for Power-Fail or Low-Battery Warning 8-Pin Surface-Mount Package Guaranteed active-low RESET Assertion to VCC = 1V热门应用
电池供电设备计算机控制器精确的µP电源监控智能仪表便携式仪表
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