TS27L4C,I,M PRECISION VERY LOW POWER CMOS QUAD OPE.
STMicroelectronics
TS27L4BI - PRECISION VERY LOW POWER CMOS QUAD OPERATIONAL AMPLIFIER
TS27L4C,I,M PRECISION VERY LOW POWER CMOS QUAD OPERATIONAL AMPLIFIER s VERY LOW POWER CONSUMPTION : 10µA/op s OUTPUT VOLTAGE CAN SWING TO GROUND s E.