This part is a kind of semiconductor called AD5040.
Function of this product has (AD5040 / AD5060) Full Accurate 14/16 Bit Vout nanoDac Buffered.
Manufacturers : Analog Devices
Image and pinout :

Some of the text within the PDF file :
Fully Accurate 14-/16-Bit VOUT nanoDAC™ SPI Interface 2.7 V to 5.5 V, in an SOT-23 AD5040/AD5060 FEATURES Single 14-/16-bit DAC, 1 LSB INL Power-on reset to midscale or zero scale Guaranteed monotonic by design 3 power-down functions Low power serial interface with Schmitt-triggered inputs Small 8-lead SOT-23 package, low power Fast settling time of 4 μs typically 2.7 V to 5.5 V power supply Low glitch on power-up SYNC interrupt facility APPLICATIONS Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators GENERAL DESCRIPTION The AD5040 and the AD5060, members of the ADI nanoDAC family, are low power, single 14-/16-bit buffered voltage-out DACs that operate from a s [ ... ]
AD5040 PDF Datasheet Download
