MULTI-MODE DIGITAL CONVERTER AND METHOD

摘要

A multi-mode digital to analog converter (10) is described for converting a digital input into an analog voltage according to a linear or a companding transfer function. The converter (10) comprises a charge redistribution device for creating an analog voltage at a node and switching circuitry (18, 22) for controlling the charge redistribution device. The switching circuitry (18, 22) is operable to effect either transfer function responsive to its inputs.