ANALOG DEVICES AD7822 English products handbook Rev C
Datasheet
The AD7822/AD7825/AD7829 are high speed, 1-, 4-, and 8-channel, microprocessor-compatible, 8-bit analog-to-digital converters. They have a conversion time of 420 ns, one, four, and eight single-ended analog input channels, adjustable input offset, on-chip track-and-hold, SNR performance given for input frequencies up to 10 MHz, on-chip reference (2.5 V), automatic power-down at the end of conversion, wide operating supply range, input ranges of 0 V to 2 V p-p with VDD = 3 V ± 10% and 0 V to 2.5 V p-p with VDD = 5 V ± 10%, and a flexible parallel interface with EOC pulse to allow standalone operation.