Patent ID: 6954165

Claim:
A segmented digital to analog converter, comprising: a first segment having a first plurality of resistors and configured to receive and convert one set of digital bits of a digital input signal to an analog signal; a second segment configured to receive and convert a second set of digital bits of the input signal to an analog signal, the second segment having a second series of resistors configured to receive the first set of digital bits, a first current source connected at one end of the second series of resistors, and a second current source connected at another end of the second series of resistors; and a third segment having a third segmented series of resistors including a third set of resistors connected end to end from along which an output can be generated at any point between the resistors; wherein the third segmented series of resistors further includes one current source connected at one end of the third sen of resistors, and a second current source connected at another end of the third series of resistors.