AD9852ASVZ

Product Overview

Category: Integrated Circuit (IC)

Use: The AD9852ASVZ is a high-performance direct digital synthesizer (DDS) IC. It is designed for applications that require precise frequency synthesis, such as in communication systems, test equipment, and scientific instruments.

Characteristics: - High-frequency resolution - Wide frequency range - Low phase noise - Fast frequency hopping capability - Programmable output waveform - Serial interface for easy control

Package: AD9852ASVZ is available in a small surface-mount package, making it suitable for compact designs and PCB integration.

Essence: The essence of the AD9852ASVZ lies in its ability to generate accurate and stable frequencies with high precision and flexibility.

Packaging/Quantity: The AD9852ASVZ is typically sold in reels or tubes, containing a specified quantity of ICs per package.

Specifications

• Frequency Resolution: 0.0291 Hz
• Frequency Range: DC to 120 MHz
• Phase Noise: -138 dBc/Hz at 10 kHz offset
• Output Waveform: Sine, square, or triangular
• Supply Voltage: 3.3 V
• Power Consumption: 350 mW (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD9852ASVZ has a total of 48 pins. Below is the detailed pin configuration:

Functional Features

1. Frequency Synthesis: The AD9852ASVZ can generate precise frequencies with high resolution, allowing for accurate signal generation in various applications.
2. Fast Frequency Hopping: With its fast frequency switching capability, the IC enables rapid changes in output frequency, making it suitable for applications requiring agile frequency hopping.
3. Programmable Output Waveform: The IC supports multiple output waveforms, including sine, square, and triangular, providing flexibility in signal generation.
4. Serial Interface: The AD9852ASVZ features a serial interface that allows easy control and configuration of the IC, simplifying integration into larger systems.

Advantages and Disadvantages

Advantages: - High-frequency resolution enables precise frequency synthesis. - Wide frequency range covers a broad spectrum of applications. - Low phase noise ensures clean and accurate signal generation. - Fast frequency hopping capability suits applications requiring agile frequency changes. - Programmable output waveform provides flexibility in signal generation. - Serial interface simplifies control and integration.

Disadvantages: - Limited maximum frequency range compared to some other DDS ICs. - Requires external components for proper operation and filtering.

Working Principles

The AD9852ASVZ utilizes direct digital synthesis (DDS) technique to generate frequencies. It consists of a phase accumulator, a digital-to-analog converter (DAC), and a low-pass filter. The phase accumulator accumulates phase information based on a reference clock, while the DAC converts the accumulated phase into an analog signal. The low-pass filter removes unwanted high-frequency components, resulting in a clean output signal with the desired frequency.

Application Field Plans

The AD9852ASVZ finds applications in various fields, including: 1. Communication Systems: Used for frequency synthesis in wireless communication systems, transceivers, and base stations. 2. Test Equipment: Employed in signal generators, function generators, and spectrum analyzers for generating test signals. 3. Scientific Instruments: Utilized in scientific research equipment, such as spectroscopy devices and particle accelerators, for precise frequency control.

Alternative Models

1. AD9833: A lower-cost alternative with a narrower frequency range.
2. AD9959: Offers higher frequency range and additional features, suitable for advanced applications.
3. AD9850: Provides a lower frequency resolution but at a more affordable price point.

These alternative models offer different trade-offs in terms of performance, cost, and specific application requirements.

In conclusion, the AD9852ASVZ is a high-performance DDS IC that provides accurate and flexible frequency synthesis capabilities. Its wide range of applications, along with its advantages and disadvantages, make it a valuable component in various electronic systems.