US 12,379,738 B2
Low power hybrid reverse bandgap reference and digital temperature sensor
You Li, Hillsboro, OR (US); David Duarte, Portland, OR (US); and Yongping Fan, Portland, OR (US)
Assigned to Intel Corporation, Santa Clara, CA (US)
Filed by Intel Corporation, Santa Clara, CA (US)
Filed on Jul. 3, 2024, as Appl. No. 18/763,940.
Application 18/763,940 is a continuation of application No. 17/033,571, filed on Sep. 25, 2020, granted, now 12,061,493.
Prior Publication US 2024/0353882 A1, Oct. 24, 2024
Int. Cl. G05F 3/30 (2006.01)
CPC G05F 3/30 (2013.01) 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an amplifier having a first input, a second input, and a bandgap output;
an adjustable first resistor divider circuit coupled to the first input and to the bandgap output; and
a second resistor divider circuit including a first tap coupled to the second input, a current source coupled to the resistor divider, and a metal oxide semiconductor (MOS) transistor coupled to the current source and the resistor divider.