This part is a kind of semiconductor called AD5291.

Function of this product has (AD5291 / AD5292) Digital Potentiometer.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

256-/1024-Position, DigiPOT+ Potentiometers with Maximum ±1% R-Tolerance Error and 20-TP Memory AD5291/AD5292 FEATURES Single-channel, 256-/1024-position resolution 20 kΩ nominal resistance Calibrated ±1% nominal resistor tolerance (resistor performance mode) 20-time programmable (20-TP) set-and-forget resistance setting allows multiple time permanent programming Rheostat mode temperature coefficient: 35 ppm/°C Voltage divider temperature coefficient: 5 ppm/°C +9 V to +33 V single-supply operation ±9 V to ±16.5 V dual-supply operation SPI-compatible serial interface Wiper setting readback Power-on refreshed from 20-TP memory FUNCTIONAL BLOCK DIAGRAM VDD POWER-ON RESET VLOGIC SCLK SYNC DIN SDO RDY VSS EXT_CAP GND 07674-001 RESET AD5291/ AD5292 RDAC REGISTER [ ... ]

AD5291 PDF Datasheet Download