The 12-bit analog-to-digital converter ADC12138CIN/NOPB from Adibuja is a high-resolution ADC with four or eight input channels. It utilizes a single 28-pin DIP (Dual In-Line Package) for compact and efficient installation in various electronic systems. The ADC12138CIN/NOPB features a successive approximation register (SAR) architecture, providing accurate conversions of analog signals into digital data.