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MIC845 - Micro-Power Comparator/ Battery Monitor

General Description

The MIC845 is a precision micro-power voltage comparator with an on-chip 2.55V reference voltage source.

Key Features

  • Extremely low 1µA supply current (typical) 2.55V on chip reference ±2% voltage threshold accuracy Optimized for PDAs, cellular telephones, pagers, and other battery-powered devices.
  • Open-drain output can be pulled up to 6V regardless of supply voltage.
  • 5-lead SC-70 package.

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Datasheet Details

Part number MIC845
Manufacturer Micrel Semiconductor
File Size 137.49 KB
Description Micro-Power Comparator/ Battery Monitor
Datasheet download datasheet MIC845 Datasheet

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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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MIC845 Micro-Power Comparator / Battery Monitor General Description The MIC845 is a precision micro-power voltage comparator with an on-chip 2.55V reference voltage source. Intended for voltage monitoring applications, the MIC845 can be used with an external resistor divider to detect a wide range of voltages, or without external resistors to directly monitor voltages with its high input impedance CMOS input. The MIC845 incorporates a voltage reference and comparator with fixed internal hysteresis. When the 2.55V internal threshold is crossed, the output switches polarity. MIC845 is available with a push-pull or open-drain output stage. The push-pull output stage is configured for both active high or active low output; the open-drain output stage is only configured active high.