Description

The AD9850BRSZ is a direct digital synthesis (DDS) device that is highly integrated and uses advanced DDS technology. It has an internal high speed, high performance digital-to-analog converter (DAC) and comparator that enables it to function as a complete digitally programmable frequency synthesizer and clock generator.

Specifications and features

• 125 MHz Clock Rate
• On-Chip High Performance DAC and High Speed Comparator
• DAC SFDR > 50dB @ 40 MHz AOUT
• 32-Bit Frequency Tuning Word
• Simplified Control Interface: Parallel Byte or Serial Loading Format
• Phase Modulation Capability
• 3.3 V or 5 V Single-Supply Operation
• Low Power: 380 mW @ 125 MHz (5 V) or 155 mW @ 110 MHz (3.3 V)
• Power-Down Function
• Ultrasmall 28-Lead SSOP Packaging

Application Scenarios

The AD9850BRSZ is widely used for frequency/phase-agile sine wave synthesis, clock recovery and locking circuitry for digital communications, digitally controlled ADC encode generator, and agile local oscillator applications.

Comparison

• Can be used directly as a frequency source
• Highly integrated device
• Innovative high speed DDS core provides a 32-bit frequency tuning word, resulting in an output tuning resolution of 0.0291 Hz
• Simplified control interface
• Low power consumption

• No significant disadvantages found for this model based on the information given.