Specialty data acquisition and converter chips condition signals or transform data (information) from one format to another, such from analog to digital. Specialty data acquisition and converter chips main function is analog to digital conversion (ADC) and digital to analog conversion (DAC). There are many types of specialty data acquisition and converter chips. Examples include digital to analog converter chips and analog to digital converter chips. digital to analog converter chips change a continuously variable (analog) signal, without altering its essential content, into a multi-level (digital) signal. Analog to digital converter chips convert signals having a few (usually two) defined levels or states (digital) into signals having a theoretically infinite number of states (analog).Other specialty data acquisition and converter chips are commonly available.