This part is a kind of semiconductor called BA10324AFJ.
Function of this product has Ground Sense Operational Amplifiers.
Manufacturers : Rohm
Image and pinout :

Some of the text within the PDF file :
Datasheet Operational Amplifiers Ground Sense Operational Amplifiers BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx BA2902xx, BA2902Sxx General Description General purpose BA10358 / BA10324A and high reliability BA2904 / BA2902 integrate two or four independent Op-Amps on a single chip and have some features of high-gain, low power consumption, and wide operating voltage range of 3V to 36V (single power supply ). BA2904W have low input offset voltage(2mV max.). Features Operable with a single power supply Wide operating supply voltage range Input and output are operable GND sense Low supply current High open loop voltage gain Wide temperature range Application Current sense application Buffer application amplifier Active filter Consumer el [ ... ]
BA10324AFJ PDF Datasheet Download
