This part is a kind of semiconductor called AD5045.

Function of this product has (AD5025 - AD5065) DAC SPI Interface.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Fully Accurate, 12-/14-/16-Bit, Dual, VOUT nanoDAC SPI Interface, 4.5 V to 5.5 V in a TSSOP AD5025/AD5045/AD5065 FEATURES Low power dual 12-/14-/16-bit DAC, ±1 LSB INL Individual voltage reference pins Rail-to-rail operation 4.5 V to 5.5 V power supply Power-on reset to zero scale or midscale Power down to 400 nA @ 5 V 3 power-down functions Per channel power-down Low glitch upon power-up Hardware power-down lockout capability Hardware LDAC with software LDAC override function CLR function to programmable code SDO daisy-chaining option 14-lead TSSOP APPLICATIONS Process controls Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators GENERAL DESCRIPTION The AD5025/AD5045/AD5065 are [ ... ]

AD5045 PDF Datasheet Download