Abstract: In accordance with an embodiment, a noise shaping successive approximation analog-to-digital converter (ADC) includes: a digital-to-analog converter (DAC); a multi-input comparator with a first input coupled to the DAC; a multi-input amplifier having a first input coupled to the DAC, and a second input coupled to a second input of the multi-input comparator; and a first delay element having an input coupled to an output of the multi-input amplifier and an output coupled to the second input of the multi-input amplifier and to the second input of the multi-input comparator.

Abstract: A latch comparator is disclosed. The latch comparator includes a first reservoir capacitor; a preamplifier including first and second transistors respectively connected to first and second inputs, the first and second transistors selectably connectable to a first terminal of the first reservoir capacitor, and third and fourth transistors respectively connected to the first and second inputs, the third and fourth transistors selectably connectable to a second terminal of the first reservoir capacitor; and a latch, including a first portion serially connected between the first and third transistors and connected to a first output, and a second portion serially connected between the second and fourth transistors and connected to a second output.

Abstract: In accordance with an embodiment, a noise shaping successive approximation analog-to-digital converter (ADC) includes: a digital-to-analog converter (DAC); a multi-input comparator with a first input coupled to the DAC; a multi-input amplifier having a first input coupled to the DAC, and a second input coupled to a second input of the multi-input comparator; and a first delay element having an input coupled to an output of the multi-input amplifier and an output coupled to the second input of the multi-input amplifier and to the second input of the multi-input comparator.

Abstract: In accordance with an embodiment, a nested floating inverter dynamic amplifier (FIDA) includes: a first FIDA amplifier comprising a plurality of first inverters switchably coupled to a first reservoir capacitor; and a second FIDA amplifier comprising a plurality of second inverters switchably coupled to a second reservoir capacitor, wherein outputs of the plurality of first inverters are coupled to corresponding inputs of the plurality of second inverters.