14-Bit, 1 GSPS JESD204B, Dual Analog-to-Digital Converter. The AD9680 is a dual, 14-bit, 1 GSPS analog-to-digital converter (ADC). The device has an on-chip buffer and sample-and-hold circuit designed for low power, small size, and ease of use. This device is designed for sampling wide bandwidth analog signals of up to 2 GHz. The AD9680 is optimized for wide input bandwidth, high sampling rate, excellent linearity, and low power in a small package.