The AD9857 Features:
200MHz internal clock rate
14-Bit data path
Excellent dynamic performance:
80dB SFDR @ 65MHz (±100kHz) Aout
4x to 20x programmable reference clock multiplier
Reference clock multiplier PLL lock detect indicator
Internal 32-bit quadrature DDS
FSK capability
8-bit output amplitude control
Single-pin power-down function
Four programmable, pin-selectable signal profiles
SIN(x)/x correction (inverse SINC function)
Simplified control interface
10MHz serial, 2-wire or 3-wire SPI?-compatible
3.3V single supply