AD9910新1 GSPS, 14-Bit, 3.3 V CMOS Direct Digital Synthesizer AD9910 FEATURES 1 GSPS internal clock speed (up to 400 MHz analog output) Integrated 1 GSPS, 14-bit DAC 0.23 Hz or better frequency resolution Phase noise ≤ 125 dBc/Hz @ 1 kHz offset (400 MHz carrier) Excellent dynamic performance with >80 dB narrow-band SFDR Serial input/output (I/O) control Automatic linear or arbitrary frequency, phase, and amplitude sweep capability 8 frequency and phase offset profiles Sin(x)/(x) correction (inverse sinc filter) 1.8 V and 3.3 V power supplies Software and hardware controlled power-down 100-lead TQFP_EP package Integrated 1024 word × 32-bit RAM PLL REFCLK multiplier Parallel datapath interface Internal oscillator can be driven by a single crystal Phase modulation capability Amplitude modulation capa……