Infineon Technologies Austria Ag

Rocco Calabro

Alan Paussa

This disclosure describes analog to digital converter (ADC) circuitry configured to receive either a differential input signal or a single-ended (SE) input signal and output a digital representation of the input signal using the full-scale of the ADC output. The ADC circuitry of this disclosure includes a true differential ADC that, when receiving a SE input signal is configured to make two adjustments to the ADC characteristic. One adjustment is to shift the ADC characteristic by the reference voltage of the ADC, e.g., Varef. The second adjustment is to multiply the input signal by two, e.g., to double the input signal magnitude.

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Arnoldstein, Austria

Rocco Calabro