常用运放IC LM324.pdf .pdf LM124 LM224 - LM324 LOW POWER QUAD OPERATIONAL AMPLIFIERS s WIDE GAIN BANDWIDTH : 1.3MHz s INPUT COMMON-MODE VOLTAGE RANGE INCLUDES GROUND s LARGE VOLTAGE GAIN : 100dB N DIP14 s VERY LOW SUPPLY CURRENT/AMPLI : (Plastic Package) 375A s LOW INPUT BIAS CURRENT : 20nA s LOW INPUT OFFSET VOLTAGE : 5……