An 8-MHz CMOS subranging 8-bit A/D converter

Abstract
A 8-bit subranging converter (ADC) has been realized in a 3-/spl mu/m silicon gate, double-polysilicon capacitor CMOS process. The ADC uses 31 comparators and is capable of conversion rates to 8 MHz at V/SUB DD/=5 V. Die size is 3.2/spl times/2.2 mm/SUP 2/.

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