Datasheet

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