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ADC-Architecture-Slide5

IC Flash ADCs became extremely popular in the 1980s especially in the 8-bit, 20MSPS-100MSPS sampling range. Today, however, stand-alone flash ADCs are mostly used at sampling rates of 1GSPS or higher for 6 to 8-bits of resolution, and are high-power GaAs devices. Other techniques, such as the subranging pipelined architecture, use lower power, lower cost CMOS processes to accomplish 8-bit to 14-bit resolution up to several hundreds of MSPS. Low resolution flash ADCs are still used as building blocks in various subranging ADCs and in multi-bit sigma-delta ADCs.

PTM Published on: 2007-10-05