AD9838 Datasheet, Analog Devices

2.3 V to 5.5 V power supply MCLK speed: 16 MHz (B grade), 5 MHz (A grade) Output frequency up to 8 MHz Sinusoidal and triangular outputs On-board comparator 3-wire SPI in.

Frequency stimulus/waveform generation Frequency phase tuning and modulation Low power RF/communications systems Liquid .

The AD9838 is a low power DDS device capable of producing high performance sine and triangular outputs. It also has an on-board comparator that allows a square wave to be produced for clock generation. Consuming only 11 mW of power at 2.3 V, the AD98.