US Patent Issued to KeyTek Semiconductor HongKong on June 23 for "Digitally trimmable input current cancellation circuit for analog-to-digital converter" (California Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,610, issued on June 23, was assigned to KeyTek Semiconductor HongKong Ltd. (HongKong, China).

"Digitally trimmable input current cancellation circuit for analog-to-digital converter" was invented by Mark A. Pinchback (Healdsburg, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An analog-to-digital converter circuit usable for measuring a voltage having a large common-mode voltage includes two input voltage nodes, a voltage sensing circuit (that includes a sigma-delta modulator) that senses a voltage between the nodes, a digital filter that outputs a multi-bit digital value, and an input current cancellation circuit. The input current cancellat...