This part is a kind of semiconductor called ADG701.

Function of this product has CMOS Low Voltage 2ohm SPST Switches.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a FEATURES +1.8 V to +5.5 V Single Supply 2 ⍀ (Typ) On Resistance Low On-Resistance Flatness –3 dB Bandwidth >200 MHz Rail-to-Rail Operation 6-Lead SOT-23 8-Lead ␮ SOIC Package Fast Switching Times tON 18 ns tOFF 12 ns Typical Power Consumption (<0.01 ␮W) TTL/CMOS Compatible APPLICATIONS Battery Powered Systems Communication Systems Sample Hold Systems Audio Signal Routing Video Switching Mechanical Reed Relay Replacement CMOS Low Voltage 2 ⍀ SPST Switches ADG701/ADG702 FUNCTIONAL BLOCK DIAGRAMS ADG701 S D IN ADG702 S D IN SWITCHES SHOWN FOR A LOGIC "1" INPUT GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The ADG701/ADG702 are monolithic CMOS SPST switches. These switches are designed on an advanced submicron process that provides low power dissipation yet high switching speed, l [ ... ]

ADG701 PDF Datasheet Download