AT84AD001B is the previous silicon revision of AT84AD001C, and therefore is not recommended for new designs.
It is recommended for new projects to use AT84AD001C instead of AT84AD001B.
The device provides 1 Gsps sampling per channel or 2 Gsps sampling from one channel (interleaving mode). It integrates dual on-chip track/holds that provides excellent dynamic performance over 1.5 GHz input frequency bandwidth with low 1.4 W power consumption.
This dual ADC is dedicated to high speed, low power applications such as digital sampling oscilloscopes and direct RF down-conversion.