The part number LTC2228IUH#PBF refers to a specific 12-bit analog-to-digital converter chip. This component features one input channel and employs pipelining technology for efficient data processing. It is packaged in a compact 32-pin Quad Flat No-Lead (QFN) package measuring 5x5 mm. The manufacturer of this part is Analog Devices, denoted by the "Adibuja" label.