This part is a kind of semiconductor called AD22057.

Function of this product has Single-Supply Sensor Interface Amplifier.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a FEATURES Gain of ؋20. Alterable from ؋1 to ؋160 Input CMR from Below Ground to 6؋ (VS – 1 V) Output Span 20 mV to (VS – 0.2) V 1-, 2-, 3-Pole Low-Pass Filtering Available Accurate Midscale Offset Capability Differential Input Resistance 400 k⍀ Drives 1 k⍀ Load to +4 V Using VS = +5 V Supply Voltage: +3.0 V to +36 V Transient Spike Protection and RFI Filters Included Peak Input Voltage (40 ms): 60 V Reversed Supply Protection: –34 V Operating Temperature Range: –40؇ C to +125؇ C APPLICATIONS Current Sensing Motor Control Interface for Pressure Transducers, Position Indicators, Strain Gages, and Other Low Level Signal Sources Accelerometers Single-Supply Sensor Interface Amplifier AD22057 FUNCTIONAL BLOCK DIAGRAM +VS OFS A1 A2 AD22057 IN+ A1 IN– A2 OUT GND GENERAL D [ ... ]

AD22057 PDF Datasheet Download