This part is a kind of semiconductor called AD705.

Function of this product has Picoampere Input Current Bipolar Op Amp.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a FEATURES DC PERFORMANCE 25 ␮ V max Offset Voltage (AD705T) 0.6 ␮V/؇C max Drift (AD705K/T) 100 pA max Input Bias Current (AD705K) 600 pA max IB Over MIL Temperature Range (AD705T) 114 dB min CMRR (AD705K/T) 114 dB min PSRR (AD705T) 200 V/mV min Open Loop Gain 0.5 ␮V p-p typ Noise, 0.1 Hz to 10 Hz 600 ␮A max Supply Current AC PERFORMANCE 0.15 V/µ s Slew Rate 800 kHz Unity Gain Crossover Frequency 10,000 pF Capacitive Load Drive Capability Low Cost Available in 8-Pin Plastic Mini-DlP, Hermetic Cerdip and Surface Mount (SOIC) Packages MIL-STD-883B Processing Available Dual Version Available: AD706 Quad Version: AD704 APPLICATIONS Low Frequency Active Filters Precision Instrumentation Precision Integrators Picoampere Input Current Bipolar Op Amp AD705 CONNECTION DIAGRAM Plastic Min [ ... ]

AD705 PDF Datasheet Download