AD9850BRSZ-REEL

Product Overview

Category

The AD9850BRSZ-REEL belongs to the category of integrated circuits (ICs) and specifically falls under the family of Direct Digital Synthesis (DDS) ICs.

Use

This product is primarily used for generating precise and stable analog waveforms, such as sine waves, square waves, and triangular waves. It finds applications in various fields including telecommunications, instrumentation, and signal processing.

Characteristics

• High frequency resolution: The AD9850BRSZ-REEL offers a frequency resolution of up to 0.0291 Hz, allowing for fine-tuning of output waveforms.
• Wide frequency range: It can generate frequencies ranging from 0 Hz to 40 MHz, providing flexibility for different applications.
• Low power consumption: This IC operates on low power supply voltages, making it suitable for battery-powered devices.
• Serial interface: It features a serial interface that enables easy control and programming of the waveform generation parameters.
• Programmable phase and amplitude: The AD9850BRSZ-REEL allows users to program the phase and amplitude of the generated waveforms, enhancing its versatility.

Package and Quantity

The AD9850BRSZ-REEL is available in a small outline integrated circuit (SOIC) package. It is supplied in reels, with each reel containing a specific quantity of ICs, typically around 250 units.

Specifications

• Frequency resolution: 0.0291 Hz
• Frequency range: 0 Hz to 40 MHz
• Power supply voltage: 2.3V to 5.5V
• Operating temperature range: -40°C to +85°C
• Package type: SOIC
• Package dimensions: 8mm x 5mm

Pin Configuration

The AD9850BRSZ-REEL IC has a total of 28 pins. The pin configuration is as follows:

1. REFOUT
2. GND
3. DACOUT
4. FSYNC
5. CLK
6. DATA
7. RESET
8. PSEL0
9. PSEL1
10. PSEL2
11. PSEL3
12. PSEL4
13. PSEL5
14. PSEL6
15. PSEL7
16. PSEL8
17. PSEL9
18. PSEL10
19. PSEL11
20. PSEL12
21. PSEL13
22. PSEL14
23. PSEL15
24. PSEL16
25. PSEL17
26. PSEL18
27. VCC
28. GND

Functional Features

The AD9850BRSZ-REEL offers the following functional features:

1. Frequency tuning: It allows precise frequency tuning with a resolution of 0.0291 Hz, enabling accurate waveform generation.
2. Phase and amplitude control: Users can program the phase and amplitude of the generated waveforms, providing flexibility in signal processing applications.
3. Serial interface: The IC features a serial interface that simplifies the control and configuration of waveform parameters.
4. Low power consumption: With its low power supply voltage requirement, the AD9850BRSZ-REEL is suitable for power-sensitive applications.
5. Wide frequency range: It covers a wide frequency range from 0 Hz to 40 MHz, accommodating various application requirements.

Advantages and Disadvantages

Advantages

• High frequency resolution enables precise waveform generation.
• Programmable phase and amplitude offer flexibility in signal processing.
• Serial interface simplifies control and configuration.
• Low power consumption makes it suitable for battery-powered devices.
• Wide frequency range caters to diverse application needs.

Disadvantages

• Limited pin count may restrict the number of programmable parameters.
• Requires external components for complete functionality.

Working Principles

The AD9850BRSZ-REEL operates based on the principle of Direct Digital Synthesis (DDS). It utilizes a digital-to-analog converter (DAC) and a phase accumulator to generate analog waveforms. The frequency, phase, and amplitude of the output waveform are controlled by programming the internal registers through the serial interface.

The phase accumulator accumulates phase increments at a specific rate determined by the reference clock. The accumulated phase value is then converted into an analog signal using the DAC, resulting in the desired waveform.

Application Field Plans

The AD9850BRSZ-REEL finds applications in various fields, including:

1. Telecommunications: It can be used in communication systems for generating carrier signals, modulation, and demodulation purposes.
2. Instrumentation: The IC is suitable for generating precise test signals in laboratory equipment and measurement instruments.
3. Signal processing: It can be employed in signal processing applications such as filtering, frequency synthesis,