Infineon Technologies Ag

Lantiq Deutschland Gmbh

Wolfgang Klatzer

Martin Clara

Andreas Wiesbauer

Antonio Di Giandomenico

Luca Gori

David San Segundo Bello

Christian Fleischhacker

Tina Thelesklav

Embodiments related to echo compensation have been described and depicted.

Echo cancellation

In an integrated circuit including a first multibit digital-to-analog converter and a second multibit digital-to-analog converter, a calibration circuit is provided which is shared between the first and second digital-to-analog converters.

Integrated circuit comprising a plurality of digital-to-analog converters, sigma-delta modulator circuit, and method of calibrating a plurality of multibit digital-to-analog converters

A digital/analog converter comprises a converter array comprised of a plurality of converter cells and a device for self-calibration of the converter cells. The device for self-calibration comprises at least one reference cell with a reference value and a control device for controlling a calibration process. The control device calibrates successively, within a respective calibration period, respective of the converter cells to values corresponding to the reference value and adjusts respective calibration periods for a calibration cycle, within which the converter cells are to be calibrated. At least two different of the respective calibration periods differ within at least two calibration cycles.

Method for calibrating a digital/analog converter and digital/analog converter

A method and a device for digital/analog conversion are proposed, whereby for improved use of a 'dynamic element matching' algorithm, in particular a 'data weighted averaging' algorithm, the number of existing conversion elements is greater than a maximum number of possible input or control codes for the conversion elements (), that is to say greater than a number of conversion elements, which would actually be necessary for a maximum value of the digital word to be converted in each case.

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Mittertrixen, Austria

Wolfgang Klatzer