High-performance dual/single-channel RF sample DAC

The Texas Instruments DAC38RFxx is a family of high-performance, dual/single-channel, 14-bit, 9-GSPS, RF-sampling DACs that are capable of synthesizing wideband signals from 0GHz to 4.5GHz. A high dynamic range allows the family to generate 3G/4G signals for wireless basestations with an output frequency up to 4GHz. The devices feature a low-power JESD204B Interface with up to eight lanes, and provides a maximum bit rate of 12.5Gbps and input sample rate of 1.23GSPS complex per channel. The device provides two digital upconverters per DAC, with multiple interpolation rates and a digital quadrature modulator with independent, frequency flexible NCOs. An optional low-jitter PLL/VCO simplifies the DAC clock generation by allowing use of a lower frequency reference clock.