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Voltage Supervisors, Voltage Monitors, and Sequencers 
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MAX8213A, MAX8213B
Five Universal Voltage Monitors, Complete µP Voltage Monitoring
Five Universal Voltage Monitors
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The MAX8213 and MAX8214 contain four precision voltage comparators capable of monitoring undervoltage and overvoltage conditions for both positive and negative supplies. Accurate trip-point setting is facilitated by the internal 1.25V reference. Not only is trip-level accuracy guaranteed to ±1% over the commercial temperature range, but the trip levels of all channels are guaranteed to match each other within ±1%. A fifth comparator channel monitors microprocessor voltages and generates delayed reset signals. The MAX8213 has open-drain outputs, while active pull-up outputs are incorporated in the MAX8214.
Key Features
- ±1% Guaranteed Trip-Level Accuracy over Commercial Temp. Range
- 4 Precision Comparators Plus Auxiliary Comparator
- Built-in Hysteresis
- Internal 1.25V Reference with 0.75% Initial Accuracy
- ±1% Guaranteed Trip-Level Matching Between Channels over Commercial Temp. Range
- Wide Supply Range: 2.75V to 11V
- Controlled Comparator Response for Glitch Immunity
- 33µA Max Supply Current Over Temp.
Applications/Uses
- Appliances
- Automotive and Industrial Equipment
- Industrial Controllers
- Microprocessor Voltage Monitoring
- Mobile Radios
- Over/Under/Window Voltage Detection
- Portable Computers
- Portable Instruments
- Precision Battery Monitoring
- Telephones
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