GENERAL DESCRIPTION

The ADM8690/ADM8691/ADM8695 supervisory circuits offer complete single-chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include microprocessor reset, backup battery switchover, watchdog timer, CMOS RAM write protection, and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.

FEATURES

Upgrade for the ADM690, ADM691, ADM695 and

for the MAX690, MAX691, MAX695

Specified over temperature

Low power consumption: 0.7 mW

Precision voltage monitor

Reset assertion down to 1 V VCC

Low switch on resistance: 0.7 Ω normal, 7 Ω in backup

High current drive: 100 mA

Watchdog timer: 100 ms, 1.6 sec, or adjustable

Standby current: 400 nA

Automatic battery backup power switching

Extremely fast gating of chip enable signals (3 ns)

Voltage monitor for power fail

Available in TSSOP package

APPLICATIONS

Microprocessor systems

Computers

Controllers

Intelligent instruments

Automotive systems

ADM8691ARW属于集成电路（IC） > 监控器。亚德诺半导体技术有限公司制造生产的ADM8691ARW监控器PMIC 监控器用于监视和/或控制电路中的电压轨，能够连接微控制器以维持一定的功率限值。监控器类型包括电池备用电路、监控器、多电压监控器、电源监控器、稳压器/监控器、复位计时器、定序器、简单复位/上电复位、智能开/关控制器、系统管理器、电压检测器和看门狗电路。