The "12 Bit Digital to Analog Converter 2 20-PLCC" is a specific electronic component with the designation "2 20-PLCC". It has a particular application or purpose as a digital to analog converter, which implies its function in converting digital signals into analog form. This item likely features 12 bits of resolution and comes in a 9x9 grid Package Leadless Chip Carrier (PLCC) format with 20 pins.