Op amps are INSTRUMENTATION AMPLIFIER types of amplifier on the chip. The number of terminations approaches 8. Please take in mind that op amp should be run at 15V. Instrumentation amplifier is a part of Instrumentation Amplifier. Linear amplifier includes 8 pins. Instrumentation amplifier has 1 channels on it.
INA121U Features
supply voltage of 15V
INA121U Applications
There are a lot of Burr Brown INA121U Instrumentational OP Amps applications.