GENERAL DESCRIPTION

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.

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