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MAX977 - Single/Dual / +3V/+5V Dual-Speed Comparators with Auto-Standby

General Description

The MAX975/MAX977 single/dual comparators feature three different operating modes, and are optimized for +3V and +5V single-supply applications.

The operating modes are as follows: high speed, high speed with auto-standby, and low power.

Key Features

  • independently adjustable timeout periods for each comparator using separate capacitors. The MAX975/MAX977’s inputs have a common-mode volta.

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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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MAX975/MAX977 19-1141; Rev 2; 2/07 Single/Dual, +3V/+5V Dual-Speed Comparators with Auto-Standby General Description The MAX975/MAX977 single/dual comparators feature three different operating modes, and are optimized for +3V and +5V single-supply applications. The operating modes are as follows: high speed, high speed with auto-standby, and low power. Propagation delay is 28ns in high-speed mode, while supply current is only 250µA. Supply current is reduced to 3µA in low-power mode. The auto-standby feature allows the comparator to automatically change from low-power mode to highspeed mode upon receipt of an input signal. In the absence of an input signal, the comparator reverts back to low-power mode after an adjustable timeout period.