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. Author manuscript; available in PMC: 2021 Apr 23.
Published in final edited form as: IEEE Biomed Circuits Syst Conf. 2015 Oct 22;2015:10.1109/BioCAS.2015.7348430. doi: 10.1109/BioCAS.2015.7348430

Fig. 4.

Fig. 4.

The IDAC structure consists of a 7-bit binary-weighted array of unit current elements, a polarity switch to enable bipolar operation, and control logic to determine sign and magnitude based on the programmed value.