FEATURES 400 MSPS internal clock speed Integrated 10-bit DAC 32-bit tuning word Phase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output) Excellent dynamic performance >75 dB SFDR @ 160 MHz (±100 kHz offset) AOUT Serial I/O control 1.8 V power supply Software and hardware controlled power-down 48-lead TQFP/EP package Support for 5 V input levels on most digital inputs PLL REFCLK multiplier (4× to 20×) Internal oscillator; can be driven by a single crystal Phase modulation capability Multichip synchronization