This part is a kind of semiconductor called UTC4558.

Function of this product has DUAL OPERATIONAL AMPLIFIER.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

UTC4558 DUAL OPERATIONAL AMPLIFIER DESCRIPTION The UTC4558 is a monolithic integrated circuit designed for dual operational amplifier. LI NEAR I NTEGRATED CI RCUI T FEATURES *No frequency compensation required. *No latch-up *Large commom mode and differential voltage range *Parameter tracking over temperature range *Gain and phase match between amplifiers *Internally frequency compensated *Low noise input transistors DIP-8 SOP-8 BLOCK DIAGRAM Vcc IN(-) OUT1 1 8 Vcc IN(+) IN1(-) 2 7 OUT2 IN1(+) 3 6 IN2(-) OUTPUT Vee 4 5 IN2(+) Vee ABSOLUTE MAXIMUM RATINGS Characteristic Supply Voltage Differential input voltage Power Dissipation Input Voltage Operating Temperature Storage Temperature Symbol Vcc VI(DIFF) PD VI TOPR TSTG Value ±22 ±18 400 ±15 0~+70 -65~+150 Unit [ ... ]

UTC4558 PDF Datasheet Download