This part is a kind of semiconductor called AD7981.

Function of this product has 600 kSPS PulSAR ADC.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Data Sheet FEATURES Extreme high temperature operation Specified temperature range: −55°C to +175°C High performance 16-bit resolution with no missing codes 600 kSPS throughput with no latency/pipeline delay SNR: 91 dB typical at 1 kHz input frequency THD: −102 dB typical at 1 kHz input frequency INL: ±2.0 LSB maximum, DNL: ±0.9 LSB maximum Low power dissipation 2.25 mW typical at 600 kSPS (VDD only) 4.65 mW typical at 600 kSPS (total) 70 µW typical at 10 kSPS Small footprint 10-lead, 3 mm × 5 mm, monometallic wire bonding MSOP Pseudo differential analog input range 0 V to VREF with VREF between 2.4 V and 5.1 V Easy to use Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface SPI-/QSPI-/MICROWIRE-/DSP-compatible digital interface Daisy-chain multiple ADCs and bus [ ... ]

AD7981 PDF Datasheet Download