This datasheet introduces the LTC2256-14/12 family of 14/12-bit, 25Msps to 150Msps ADCs. The family features a single 1.8V supply, flexible digital interface (CMOS, DDR CMOS, or DDR LVDS), selectable input ranges (1VP-P to 2VP-P), 800MHz full-power bandwidth S/H, optional data output randomizer, alternate bit polarity mode, optional clock duty cycle stabilizer, shutdown and nap modes, and serial SPI port for configuration.