US Patent Issued to PIMIC on Sept. 9 for "Charge-injection SAR ADC for correcting full scale PVT variation" (California Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,237, issued on Sept. 9, was assigned to PIMIC Inc. (Cupertino, Calif.).

"Charge-injection SAR ADC for correcting full scale PVT variation" was invented by Yuan-Ju Chao (Cupertino, Calif.), John H Yu (San Jose, Calif.) and Krishnamurthy Subramanian (Saratoga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charge-injection SAR ADC device has a modified charge-injection cell (CIC), and a complementary to absolute temperature (CTAT) circuit for generating a bias voltage. The CIC and CTAT circuits cooperate to correct for process, voltage, and temperature (PVT) variation that affect SAR ADC input full scale. The CIC has been modified to have tr...