ADI AD9852ASTZ

The AD9852 digital synthesizer is a highly integrated device that uses advanced DDS technology, coupled with an internal high speed, high performance D/A converter to form a digitally programmable, agile synthesizer function. When referenced to an accurate clock source, the AD9852 generates a highly stable frequency-, phase-, and amplitude-programmable cosine output that can be used as an agile LO in communications, radar, and many other applications.

• 300 MHz internal clock rate
• FSK, BPSK, PSK, chirp, AM operation
• Dual integrated 12-bit D/A converters
• Ultrahigh speed comparator, 3 ps rms jitter
• Excellent dynamic performance 80 dB SFDR at 100 MHz (±1 MHz) AOUT
• 4x to 20x programmable reference clock multiplier
• Dual 48-bit programmable frequency registers
• Dual 14-bit programmable phase offset registers
• 12-bit programmable amplitude modulation and on/off output shaped keying function
• Single-pin FSK and BPSK data interfaces
• PSK capability via I/O interface
• Linear or nonlinear FM chirp functions with single pin frequency hold function
• Frequency ramped FSK
• <25 ps rms total jitter in clock generator mode
• Automatic bidirectional frequency sweeping
• sin(x)/x correction
• Simplified control interface 10 MHz serial 2-wire or 3-wire SPI-compatible 100 MHz parallel 8-bit programming
• 3.3 V single supply
• Multiple power-down functions
• Single-ended or differential input reference clock
• Small, 80-lead LQFP or TQFP with exposed pad

• Agile LO frequency synthesis
• Programmable clock generator
• FM chirp source for radar and scanning systems
• Test and measurement equipment
• Commercial and amateur RF exciter