This part is a kind of semiconductor called AD7441.
Function of this product has 10-/12-Bit ADCs.
Manufacturers : Analog Devices
Image and pinout :

Some of the text within the PDF file :
Pseudo Differential Input, 1 MSPS, 10-/12-Bit ADCs in an 8-Lead SOT-23 AD7441/AD7451 FEATURES Fast throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Low power at maximum throughput rate: 4 mW maximum at 1 MSPS with VDD = 3 V 9.25 mW maximum at 1 MSPS with VDD = 5 V Pseudo differential analog input Wide input bandwidth: 70 dB SINAD at 100 kHz input frequency Flexible power/serial clock speed management No pipeline delays High speed serial interface: SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible Power-down mode: 1 μA maximum 8-lead SOT-23 and MSOP packages FUNCTIONAL BLOCK DIAGRAM VDD VIN+ VIN– VREF T/H 12-BIT SUCCESSIVE APPROXIMATION ADC SCLK AD7441/AD7451 CONTROL LOGIC SDATA CS APPLICATIONS Transducer interface Battery-powered systems Data acquisition systems Portable [ ... ]
AD7441 PDF Datasheet Download
