The instrumentation amplifier in this picture is of the OPERATIONAL AMPLIFIER-type. A Tube case is used for delivering the op amp. During the past two weeks, there have been close to 8 terminations. A total of 8 pins are located on this board. This linear amplifier should be powered by an 5V battery. This particular linear amplifier is a type of Operational Amplifier device, to be precise. In this op amp ic, the minimum voltage gain is 10000.
ICL7621ACPA+ Features
8 Pins supply voltage of 5V
ICL7621ACPA+ Applications
There are a lot of Maxim Integrated ICL7621ACPA+ Instrumentational OP Amps applications.