ADM691屬于集成電路（IC）的監(jiān)控器。由亞德諾半導體技術有限公司制造生產(chǎn)的ADM691監(jiān)控器PMIC 監(jiān)控器用于監(jiān)視和/或控制電路中的電壓軌，能夠連接微控制器以維持一定的功率限值。監(jiān)控器類型包括電池備用電路、監(jiān)控器、多電壓監(jiān)控器、電源監(jiān)控器、穩(wěn)壓器/監(jiān)控器、復位計時器、定序器、簡單復位/上電復位、智能開/關控制器、系統(tǒng)管理器、電壓檢測器和看門狗電路。

GENERAL DESCRIPTION

The ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include μP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, and power failure warn ing. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.

FEATURES

Superior Upgrade for MAX690–MAX695

Specified Over Temperature

Low Power Consumption (5 mW)

Precision Voltage Monitor

Reset Assertion Down to 1 V VCC

Low Switch On-Resistance 1.5 V Normal, 20 Ω in Backup

High Current Drive (100 mA)

Watchdog Timer—100 ms, 1.6 s, or Adjustable

600 nA Standby Current

Automatic Battery Backup Power Switching

Extremely Fast Gating of Chip Enable Signals (5 ns)

Voltage Monitor for Power Fail

APPLICATIONS

Microprocessor Systems

Computers

Controllers

Intelligent Instruments

Automotive Systems