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MAX991 - High-Speed / Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators

General Description

The MAX987/MAX988/MAX991/MAX992/MAX995/ MAX996 single/dual/quad micropower comparators feature low-voltage operation and rail-to-rail inputs and outputs.

Their operating voltage ranges from +2.5V to +5.5V, making them ideal for both 3V and 5V systems.

Key Features

  • 120ns Propagation Delay.
  • 48µA Quiescent Supply Current.
  • +2.5V to +5.5V Single-Supply Operation.
  • Common-Mode Input Voltage Range Extends 250mV Beyond the Rails.
  • Push-Pull Output Stage Sinks and Sources 8mA Current (MAX987/MAX991/MAX995).
  • Open-Drain Output Voltage Extends Beyond VCC (MAX988/MAX992/MAX996).
  • Unique Output Stage Reduces Output Switching Current, Minimizing Overall Power Consumption.
  • 100µA Supply Current at 1MHz.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX990 Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators
MAX992 High-Speed / Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators
MAX993 Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators
MAX994 Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators
MAX995 High-Speed / Micropower / Low-Voltage / SOT23 / Rail-to-Rail I/O Comparators

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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19-1266; Rev 2; 1/07 MAX987/MAX988/MAX991/MAX992/MAX995/MAX996 High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators ________________General Description The MAX987/MAX988/MAX991/MAX992/MAX995/ MAX996 single/dual/quad micropower comparators feature low-voltage operation and rail-to-rail inputs and outputs. Their operating voltage ranges from +2.5V to +5.5V, making them ideal for both 3V and 5V systems. These comparators also operate with ±1.25V to ±2.75V dual supplies. They consume only 48µA per comparator while achieving a 120ns propagation delay. Input bias current is typically 1.0pA, and input offset voltage is typically 0.5mV. Internal hysteresis ensures clean output switching, even with slow-moving input signals.