An op amp ic of the OPERATIONAL AMPLIFIER type. The op amp is delivered to you in a Tape & Reel (TR) case. I would like to specify that this buffer amplifier belongs to the Operational Amplifier-type of devices.
MAX40089AUA+T Features
MAX40089AUA+T Applications
There are a lot of Maxim Integrated MAX40089AUA+T Instrumentational OP Amps applications.