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– Watchdog timer

– Brownout detection

– Power supply monitor

The IMP705/706/707/708 and IMP813L CMOS supervisor circuits monitor power-supply and battery voltage level, and μP/μC operation. Compared to pin-compatible devices offered by Maxim Integrated Products, IMP devices feature 60 percent lower maximum supply current. The family offers several functional options. Each device generates a reset signal during power-up, power-down and during brownout conditions. A reset is generated when the supply drops below 4.65V (IMP705/707/813L) or 4.40V (IMP706/708). For 3V power supply applications

Key Features

◆ Improved replacements for the Maxim MAX705/6/7/8, MAX813L

– 140μA maximum supply current

– 60 improvement

◆ Precision power supply monitor

– 4.65V threshold (IMP705/707/813L)

– 4.40V threshold (IMP706/8)

◆ Debounced manual reset input

◆ Voltage monitor

– 1.25V threshold

– Battery monitor/Auxiliary supply monitor

◆ Watchdog timer (IMP705/706/813L)

◆ 200ms reset pulse width

◆ Active HIGH reset output (IMP707/708/813L)

◆ MicroSO package

Applications

◆ Computers and embedded controllers

◆ Battery-operated systems

◆ Intelligent instruments

◆ Wireless communication systems

◆ PDAs and handheld equipment