US Patent Issued to STMicroelectronics International on May 19 for "Differential IDAC for PPG applications" (Italian Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,941, issued on May 19, was assigned to STMicroelectronics International N.V. (Geneva).

"Differential IDAC for PPG applications" was invented by Ranieri Guerra (S. Giovanni la Punta, Italy) and Angela Bruno (Catania, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an embodiment, a differential current digital-to-analog converter (IDAC) proposed. The differential IDAC includes first and second reference resistors respectively coupled to a voltage supply rail and reference ground. A reference current source is positioned between the two reference resistors. The converter also features first and second variable resistors, both coupled t...