Datasheet MAX971–MAX974 and MAX981–MAX984 (Maxim) - 7

Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators MAX971–MAX974/MAX981–MAX984 Pin Description PIN MAX971/ MAX973/ MAX972 MAX982 MAX981 MAX983 NAME FUNCTION DIP/SO/ DIP/SO/ DIP/SO/ DIP/SO/ UCSP µMAX µMAX µMAX µMAX
1 — — — — GND Ground. Connect to V- for single-supply operation. Negative Supply. Connect to GND for single-supply 2 2 C2 2 2 V- operation (MAX9_1). 3 — — — — IN+ Noninverting Comparator Input 4 — — — — IN- Inverting Comparator Input Hysteresis Input. Connect to REF if not used. Input 5 — — 5 5 HYST voltage range is from VREF to (VREF - 50mV). 6 — — 6 6 REF Reference Output. 1.182V with respect to V-. 7 7 A2 7 7 V+ Positive Supply 8 — — — — OUT Comparator Output. Sinks current to GND. — 1 A1 1 1 OUTA Comparator A Open-Drain Output. Sinks current to V-. — 3 C1 3 3 INA+ Noninverting Input of Comparator A — 4 B1 — — INA- Inverting Input of Comparator A — 5 B3 — 4 INB- Inverting Input of Comparator B — 6 C3 4 — INB+ Noninverting Input of Comparator B — 8 A3 8 8 OUTB Comparator B Open-Drain Output. Sinks current to V-.
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