Overview
The AD9830AST-REEL, produced by Analog Devices Inc., is a Direct Digital Synthesis (DDS) device that integrates a numerically controlled oscillator, a sine look-up table, and a 10-bit digital-to-analog converter (D/A) on a single integrated circuit. This device is designed to generate high-quality sine waves up to 25 MHz and supports various modulation schemes, making it a versatile component for RF and communications systems. It requires a single reference clock, two low-precision resistors, and eight decoupling capacitors for operation.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | LQFP-48 (7x7) |
| Supply Voltage | 4.75V to 5.25V |
| Maximum Frequency | Up to 25 MHz |
| D/A Converter Resolution | 10-bit |
| Phase Registers | 4 phase registers, 12 bits wide |
| Frequency Registers | 16-bit wide |
| Interface | Parallel interface, 16-bit data bus |
| Compliance | ROHS compliant |
Key Features
- Integrated Numerical Controlled Oscillator (NCO), sine look-up table, and 10-bit D/A converter.
- Supports frequency and phase modulation schemes.
- Generates high-quality sine waves up to 25 MHz.
- Parallel interface with 16-bit data bus for easy data loading.
- Four phase registers and 16-bit frequency registers for precise control.
- Requires a single reference clock and minimal external components.
Applications
The AD9830AST-REEL is suitable for various applications in RF and communications systems, including:
- Wireless communication systems.
- Test and measurement equipment.
- Medical imaging and diagnostic equipment.
- Aerospace and defense systems.
- Industrial control and automation systems.
Q & A
- What is the maximum frequency output of the AD9830AST-REEL?
The AD9830AST-REEL can generate sine waves up to 25 MHz. - What type of interface does the AD9830AST-REEL use?
The AD9830AST-REEL uses a parallel interface with a 16-bit data bus. - How many phase registers does the AD9830AST-REEL have?
The AD9830AST-REEL has four phase registers, each 12 bits wide. - What is the resolution of the D/A converter in the AD9830AST-REEL?
The D/A converter in the AD9830AST-REEL has a 10-bit resolution. - What is the supply voltage range for the AD9830AST-REEL?
The supply voltage range for the AD9830AST-REEL is 4.75V to 5.25V. - Is the AD9830AST-REEL ROHS compliant?
Yes, the AD9830AST-REEL is ROHS compliant. - What type of package does the AD9830AST-REEL come in?
The AD9830AST-REEL comes in an LQFP-48 (7x7) package. - How many decoupling capacitors are required for the AD9830AST-REEL?
The AD9830AST-REEL requires eight decoupling capacitors for operation. - Can the AD9830AST-REEL perform frequency and phase modulation?
Yes, the AD9830AST-REEL supports both frequency and phase modulation schemes. - What is the purpose of the WR signal in the AD9830AST-REEL?
The WR signal is used to load data into the destination registers of the AD9830AST-REEL.
