AD9979

series introduction

# AD9979 Product Series Introduction

## 1. Overview
The AD9979 is a high - performance product series developed by Analog Devices, a leader in the semiconductor industry. This series is specifically designed to address the demanding requirements of high - speed data acquisition and signal processing applications. With its advanced features and excellent performance, the AD9979 has become a popular choice among engineers and system designers in various fields.

## 2. Key Features

### 2.1 High - Speed Data Conversion
- The AD9979 offers extremely high sampling rates, which can reach up to [specific high sampling rate value] samples per second. This high - speed sampling capability enables it to capture fast - changing signals accurately, making it suitable for applications such as high - definition video processing, radar systems, and high - speed communication.
- It has a high - resolution analog - to - digital converter (ADC). The [number of bits] - bit resolution ensures that the converted digital data can represent the input analog signal with high precision, reducing quantization errors and providing more detailed information about the signal.

### 2.2 Low Noise and High Linearity
- Low noise is a crucial characteristic in data acquisition systems. The AD9979 is engineered to have a very low noise floor, which helps to improve the signal - to - noise ratio (SNR) of the overall system. A high SNR means that the useful signal can be more easily distinguished from the background noise, resulting in more accurate data acquisition.
- High linearity is also a significant advantage. The AD9979 exhibits excellent linearity over its input range, which means that the relationship between the input analog signal and the output digital code is highly proportional. This linearity is essential for applications where accurate signal representation is required, such as medical imaging and scientific instrumentation.

### 2.3 Flexible Input Configuration
- The AD9979 supports multiple input configurations, including differential and single - ended inputs. This flexibility allows it to be easily integrated into different types of systems. Differential inputs are often used to reject common - mode noise, while single - ended inputs can be more convenient in some applications where the input signal is available in a single - ended form.
- It also has adjustable input ranges, which can be configured according to the specific requirements of the application. This feature enables the AD9979 to handle a wide variety of input signal amplitudes, from small - amplitude signals in sensor applications to larger - amplitude signals in communication systems.

### 2.4 On - Chip Features
- The AD9979 is equipped with on - chip features such as digital filtering and calibration. Digital filtering can be used to remove unwanted frequencies from the input signal, improving the signal quality. Calibration functions help to compensate for any offset or gain errors in the ADC, ensuring the accuracy of the converted data over time and under different operating conditions.
- It also has built - in clock management circuitry, which can generate and distribute the necessary clock signals for the ADC operation. This simplifies the system design and reduces the external component count.

## 3. Applications

### 3.1 Medical Imaging
- In medical imaging systems such as computed tomography (CT) scanners and magnetic resonance imaging (MRI) machines, the AD9979's high - speed data conversion and low - noise performance are crucial. It can accurately capture the weak signals from the detectors, enabling the generation of high - quality medical images. The high - resolution ADC ensures that fine details in the images can be clearly resolved, which is essential for accurate diagnosis.
- The flexible input configuration allows it to interface with different types of detectors used in medical imaging, making it a versatile choice for medical equipment manufacturers.

### 3.2 Radar Systems
- Radar systems require high - speed data acquisition to detect and track targets accurately.

Images for reference

48-QFN

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Datasheets

• AD9979
• PDF 2

Partlist