AD9831 Datasheet (Analog Devices)

AD9831, CMOS Complete DDS

This DDS device is a numerically controlled oscillator employing a phase accumulator, a sine look-up table and a 10-bit D/A converter integrated on a single CMOS chip.

Modulation capabilities are provided for phase modulation and frequency modulation.

Clock rates up to 25 MHz are supported.

Frequenc

AD9831 Features

* 3 V/5 V Power Supply 25 MHz Speed On-Chip SINE Look-Up Table On-Chip 10-Bit DAC Parallel Loading Powerdown Option 72 dB SFDR 125 mW (5 V) Power Consumption 40 mW (3 V) Power Consumption 48-Pin LQFP APPLICATIONS DDS Tuning Digital Demodulation MCLK FSELECT FREQ0 REG FREQ1 REG AD9831 GENERAL DESCR