MAX971 PDF Datasheet


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Description

This is Ultra-Low-Power / Open-Drain / Single/Dual-Supply Comparators. 19-0450; Rev 0; 11, 95 Ultra-Low-Power, Open-Drain, Single, Dual-Supply Comparators _______________General Description The MAX971 MAX974 and MAX981 MAX984 single, dual, quad low-voltage comparators feature the lowest power consumption available. These micropower devices draw less than 4 A supply current over temperature (MAX971, MAX972, MAX981, MAX982), and include an internal 1.182V ±1% (MAX971, MAX973, MAX974) or ±2% (MAX981 MAX984) voltage reference and programmable hysteresis. Ideal for 3V or 5V single-supply applications, these devices operate from a single +2.5V to +11V supply (or ±1.25V to ±5.5V dual supplies), and each comparator’s input voltage ranges from the negative supply rail to within 1.3V of the positive supply. The single MAX971 and MAX981 and the dual MAX973 and MAX982, MAX983 provide a unique, simple method for adding hysteresis without feedback or complicated equations, simply by using the HYST pin plus two resistors. The MAX971 MAX974 and MAX981 MAX984’s opendra.