AD9910

Data Sheet 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 capability Multichip synchronization APPLICATIONS Agile local oscillator (LO) frequency synthesis Programmable clock generators FM chirp source for radar and scanning systems Test and measurement equipment Acousto-optic device drivers Polar modulators Fast frequency hopping FUNCTIONAL BLOCK DIAGRAM AD9910 HIGH SPEED PARALLEL DATA INTERFACE LINEAR RAMP GENERATOR 1024ELEMENT RAM REFCLK MULTIPLIER 1GSPS DDS CORE 14-BIT DAC TIMING AND CONTROL SERIAL CONTROL DATA PORT 06479-001 Figure 1. Rev. E Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any ...