公开(公告)号：US20240014824A1

公开(公告)日：2024-01-11

申请号：US17811706

申请日：2022-07-11

Applicant: QUALCOMM Incorporated

Inventor： Sumant RAMPRASAD ,  Nitz SAPUTRA ,  Ashok SWAMINATHAN

IPC: H03M1/08

CPC classification number: H03M1/08

Abstract: Methods and apparatus for common-mode current removal in a digital-to-analog converter (DAC). An example DAC circuit generally includes a plurality of current-steering cells, a resistor ladder circuit coupled to the plurality of current-steering cells and having a plurality of shunt branches, and an adjustable resistance circuit coupled between middle nodes of the plurality of shunt branches and a reference potential node for the DAC circuit.