AD9851BRSZ

GENERAL DESCRIPTION

The AD9851 is a highly integrated device that uses advanced DDS technology, coupled with an internal high speed, high performance D/A converter, and comparator, to form a digitally programmable frequency synthesizer and clock generator function. When referenced to an accurate clock source, the AD9851 generates a stable frequency and phase-programmable digitized analog output sine wave.

FEATURES

180 MHz Clock Rate with Selectable 6Reference Clock Multiplier
On-Chip High Performance 10-Bit DAC and High Speed Comparator with Hysteresis
SFDR >43 dB @ 70 MHz AOUT
32-Bit FrequencyTuning Word
Simplifi ed Control Interface: Parallel or Serial Asynchronous Loading Format
5-Bit Phase Modulation and Offset Capability
Comparator Jitter <80 ps p-p @ 20 MHz
2.7 V to 5.25 V Single-Supply Operation
Low Power:555 mW @ 180 MHz
Power-Down Function,4 mW @ 2.7 V
Ultrasmall 28-Lead SSOP Packaging

APPLICATIONS
Frequency/Phase-Agile Sine Wave Synthesis
Clock Recovery and Locking Circuitry for Digital Communications
Digitally Controlled ADC Encode Generator
Agile Local Oscillator Applications in Communications
Quadrature Oscillator
CW, AM, FM, FSK, MSK Mode Transmitter