常用运放IC LM339.pdf .pdf

常用运放IC LM339.pdf .pdf
LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators
May 1999




LM139/LM239/LM339/LM2901/LM3302
Low Power Low Offset Voltage Quad Comparators
General Description n Reduced VOS drift over temperature
n Eliminates need for dual supplies
The LM139 series consists of four independent precision
n Allows sensing near GND
voltage comparators w