EVAL-AD7490SDZ

Series:	--
Part Status:	Active
Number of A/D Converters:	1
Number of Bits:	12
Sampling Rate (Per Second):	1M
Data Interface:	DSP, MICROWIRE™, QSPI™, Serial, SPI™
Input Range:	0 ~ VREF
Power (Typ) @ Conditions:	12.5mW @ 1MSPS, 5 V
Utilized IC / Part:	AD7490
Supplied Contents:	Board(s)
Base Part Number:	AD7490

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• Introduction

Analog to Digital Converters (ADCs) are electronic components used to convert analog signals into digital representations. Eval-AD7490SDZ is a multi-channel demo board based on the AD7490 – a 16 bits 4-Channel simultaneous sampling ADC. It is designed mainly for industrial, medical, and consumer applications.

• Product Overview

Eval-AD7490SDZ is an evaluation board that has capabilities of the AD7490. Specifically, the board has 24-bit digital-to-analog converters (DACs) and voltage references, allowing users to configure and build up their own system for system-level testing. It also offers a USB interface, allowing users to collect basic data from the ADC and transfer it to a PC via a USB link. Eval-AD7490SDZ has a fully-integrated 4 lane FMC connector providing access to 16-bit analog interface, allowing for a variety of test and application requirements. Each white cable delivers 16 differential and four single-ended voltage outputs through the FMC connector. The board is powered by a 5V power connection and accepts an input signal voltage ranging from ±2V to ±15V, providing a sample rate of 1Meg samples per second. In addition, the board has on-board logic monitor, allowing further user flexibility.

• Technical Specifications

Technical specifications of Eval-AD7490SDZ include: Inputs: 16-bit 4-channel simultaneous sampling ADCOutputs: 24-bit DACs and voltage referencesSample Rate: 1Meg samples per second Input Voltage Range: ±2V to ±15V Power Requirement: 5V On-board Logic Monitor: Yes

• Application Field of Eval-AD7490SDZ

Eval-AD7490SDZ is primarily used for industrial, consumer, and medical applications. Its features and specifications allows users to create their own system for testing and applications. It can be used in medical monitoring and control systems, audio signal processing, and data acquisition. It is also suitable for automotive process control applications, especially for monitoring and control of various parameters in the automobile such as vibration measurement, engine management, and anti-lock brakes.Eval-AD7490SDZ can also be used in professional audio and studio applications. Its 24-bit DACs and voltage references allow users to configure their audio solutions with great accuracy and quality.

• Working Principle

The working principle of Eval-AD7490SDZ is based on the AD7490 ADC configuration. The AD7490 is a 16 bits simultaneous sampling ADC with four channels. It is designed primarily to digitize analog input signals accurately with high speed and low noise. The ADC works by converting an analog input signal to a digital format, making the signal available as data. It makes use of delta-sigma modulation technique to achieve high resolution and accuracy in its conversion. The on-board logic monitor allows for user monitoring of the ADC and configuring its parameters such as settling time, sample rate, and data output modes. It also provides output range selection and monitoring of analog input signals.

• Conclusion

Eval-AD7490SDZ is a multi-channel demo board based on the AD7490 ADC. This evaluation board is designed mainly for industrial, medical, and consumer applications. Eval-AD7490SDZ offers 24-bit DACs and voltage references to configure and build up their own system for system-level testing, and it provides a USB interface for collecting data from the ADC and transferring it to a PC. It also provides an on-board logic monitor for user monitoring of the ADC and configuring its parameters. The ADC works by converting an analog input signal to a digital format, making the signal available as data with high accuracy and low noise. Eval-AD7490SDZ is a powerful and convenient solution for a variety of applications.

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