AD9956 Pdf资料

应用功能：2.7 GHz DDS-Based AgileRFTM Synthesizer The AD9956 is Analog Devices’ newest AgileRF synthesizer.The device is comprised of DDS and PLL circuitry. The DDS features a 14-bit DAC operating at up to 400 MSPS and a 48-bit frequency tuning word (FTW). The PLL circuitry includes a phase frequency detector with scaleable 200 MHz inputs (divider inputs operate up to 655 MHz) and digital control over the charge pump current.