A digital-to-analog converter (DAC) converts a digital signal into an analog voltage signal. In contrast, an analog-to-digital converter (ADC), also known as a digitizer or A/D converter, is a device that converts an analog signal into a digital signal. The given text refers to an Analog-to-Digital Converter, specifically a 12-bit type with six input channels and two Successive Approximation Register (SAR) architectures, packaged in a 32-TQFP (7x7mm) package.