Programmable gain amplifier with programmable resistance

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11152904
APP PUB NO 20210044267A1
SERIAL NO

16789540

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Abstract

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A circuit includes an analog-to-digital converter (ADC). The circuit also includes an analog front end (AFE) having an AFE input and an AFE output. The AFE output is coupled the ADC's input. The AFE includes a programmable gain amplifier (PGA) having a first PGA input and a second PGA input. The PGA includes a first operational amplifier (OP AMP) with first and second OPAMP inputs. The AFE also including a programmable resistance circuit having a first programmable resistance circuit input and first and second programmable resistance circuit outputs. The first programmable resistance circuit input is coupled to the first and second PGA inputs. The programmable resistance circuit includes a resistor network having first and second balance resistances. The first balance resistance is coupled to the first and second OP AMP inputs, and the second balance resistance is coupled to the first and second OP AMP inputs.

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Patent Owner(s)

Patent OwnerAddress
TEXAS INSTRUMENTS INCORPORATED13500 NORTH CENTRAL EXPRESSWAY DALLAS TEXAS 75265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Halder, Tanmay Bengaluru, IN 6 0
Kannan, Anand Bengaluru, IN 33 273
Subramanian, Anand Bengaluru, IN 89 9553

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