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MAX8211 - Microprocessor Voltage Monitors

General Description

Maxim’s MAX8211 and MAX8212 are CMOS micropower voltage detectors that warn microprocessors (µPs) of power failures.

Each contains a comparator, a 1.5V bandgap reference, and an open-drain n-channel output driver.

Key Features

  • o µP Power-Fail Warning o Improved 2nd Source for ICL8211/ICL8212 o Low-Power CMOS Design o 5µA Quiescent Current o On-Board Hysteresis Output o ±40mV Threshold Accuracy (±3.5%) o 2.0V to 16.5V Supply-Voltage Range o Define Output Current Limit (MAX8211) o High Output Current Capability (MAX8212) _______________Ordering Information PART TEMP RANGE PIN.

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Other Datasheets by Maxim Integrated (now Analog Devices)

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MAX821 4-Pin uP Voltage Monitors
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0539; Rev 5; 9/08 MAX8211/MAX8212 Microprocessor Voltage Monitors with Programmable Voltage Detection ________________General Description Maxim’s MAX8211 and MAX8212 are CMOS micropower voltage detectors that warn microprocessors (µPs) of power failures. Each contains a comparator, a 1.5V bandgap reference, and an open-drain n-channel output driver. Two external resistors are used in conjunction with the internal reference to set the trip voltage to the desired level. A hysteresis output is also included, allowing the user to apply positive feedback for noise-free output switching. The MAX8211 provides a 7mA current-limited output sink whenever the voltage applied to the threshold pin is less than the 1.5V internal reference. In the MAX8212, a voltage greater than 1.