AD9826 is a 16-Bit 15 MSPS A/D Converter chip produced by Analog Devices. It supports 3-Channel 16-Bit Operation up to 15 MSPS and 1-Channel 16-Bit Operation up to 12.5 MSPS. It also supports Correlated Double Sampling, 1~6� Programmable Gain, �300 mV Programmable Offset, Input Clamp Circuitry, Internal Voltage Reference, Multiplexed Byte-Wide Output, Optional Single Byte Output Mode, 3-Wire Serial Digital Interface, 3 V/5 V Digital I/O Compatibility, 28-Lead SSOP Package and Low Power CMOS: 400 mW (Typ) Power-Down Mode Available.