DESCRIPTION

· The AD9910 is a 1 GSPS, 14-bit, 3.3 V CMOS Direct Digital Synthesizer with an integrated 1 GSPS, 14-bit DAC.

FEATURES

· 1 GSPS internal clock speed with up to 400 MHz analog output.

· 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 and 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.