BUY LM339ANSRG4 https://www.utsource.net/itm/p/1115292.html
QUAD DIFFERENTIAL COMPARATORS
Description: The LM339ANSRG4 is a quad comparator from Texas Instruments. Features: Wide supply voltage range: 3 V to 32 V Low supply current drain (500 μA) Low input bias current: 25 nA Low input offset current: 5 nA Output voltage compatible with TTL, DTL, and MOS logic Outputs source/sink up to 20 mA Low output saturation voltage: 0.2 V Applications: Motor speed control Temperature sensing Battery voltage monitoring Level sensing Pulse width modulation Time delay generation Frequency division (For reference only)