General Description

The MAX8215 contains five voltage comparators; four are for monitoring +5V, -5V, +12V, and -12V, and the fifth monitors any desired voltage. The MAX8216 is identical, except it monitors ±15V supplies instead of ±12V. The resistors required to monitor these voltages and provide comparator hysteresis are included onchip. All comparators have open-drain outputs. These devices consume 250µA max supply current over temperature.

Features

♦ 4 Dedicated Comparators plus 1 Auxiliary Comparator
♦ 5V Dedicated Comparator Has ±1.25% Accuracy
♦ -5V, +12V, -12V, +15V, -15V Dedicated Comparators Have ±1.5% Accuracy
♦ Overvoltage/Undervoltage Detection or Programmable Delay Using Auxiliary Comparator
♦ Internal 1.24V Reference with ±1% Initial Accuracy
♦ Wide Supply Range: 2.7V to 11V
♦ Built-In Hysteresis
♦ 250µA Max Supply Current Over Temp.
♦ Independent Open-Drain Outputs
♦ All Precision Components Included

Applications

Microprocessor Voltage Monitor
+5V, -5V, +12V, -12V Supply Monitoring (MAX8215)
+5V, -5V, +15V, -15V Supply Monitoring (MAX8216)
Overvoltage/Undervoltage Detection with Uncommitted Comparator
Industrial Controllers
Mobile Radios
Portable Instruments
Industrial Equipment
Data-Acquisition Systems