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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 250A max supply current over temperature.
MAX8216 Maximum Ratings
VDD............................................................................-0.3V, +12V VREF..............................................................-0.3V, (VDD + 0.3V) OUT_, DOUT Outputs....................................-0.3V, (VDD + 0.3V) +5V Input...................................................................+20V, -0.3V -5V, +12V, +15V, -12V, -15V Inputs.....................................±50V DIN Input.......................................................(VDD + 0.3V), -0.3V Continuous Power Dissipation (TA = +70°C) Plastic DIP (derate 10.00mW/°C above +70°C) ...........800mW SO (derate 8.33mW/°C above +70°C)..........................667mW CERDIP (derate 9.09mW/°C above +70°C)..................727mW Operating Temperature Ranges: MAX821_C_ _ ......................................................0°C to +70°C MAX821_E_ _....................................................-40°C to +85°C MAX821_M_ _.................................................-55°C to +125°C Storage Temperature Range.............................-65°C to +165°C Lead Temperature (soldering, 10sec).............................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX8216 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 250A Max Supply Current Over Temp. Independent Open-Drain Outputs All Precision Components Included
MAX8216 Typical Application
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