AD463x Reference Platform

Introduction

This document describes the DataStorm DAQ Platform when connected to a [EVAL-AD4630-24-FMCZ] board containing the [AD463x] device, and includes an example of how to initialize it.

The [AD463x] are compact, high accuracy, low power, 16-channel, 16-bit, 500kSPS/1 MSPS, multiplexed input precision successive approximation register (SAR) analog-to-digital converters (ADC) with Easy Drive features and extensive digital functionality. The [AD469x] feature a true 16-bit SAR ADC core with no missing codes, a 16-channel, low crosstalk multiplexer, a flexible channel sequencer, overvoltage protection clamp circuits on each analog input, on-chip oversampling and decimation, threshold detection and alert indicators, and an autonomous conversion (autocycle) mode.

The [AD463x] include features that simplify the design requirements of peripheral circuitry and facilitate high performance data acquisition system designs with low power consumption and high channel density. These features include the following: :

• 16-bit SAR ADC core with no missing codes.
• 16 multiplexed analog inputs with low crosstalk multiplexer.
• Flexible channel sequencing modes.
• Autocycle mode for performing conversions autonomously.
• First-order offset and gain correction for each analog input.
• Programmable threshold detection for each analog input.
• Oversampling and decimation options for each analog input.

Applications

• Photodiode monitoring
• Medical instrumentation
• Vital signs monitoring
• Electronic test and measurement
• Automated test equipment
• Instrumentation and process control
• Battery-powered equipment

Evaluation Boards

• EVAL-AD463x-FMCZ

A platform is typically comprised of:

• Carrier card with SoC FPGA and FMC LPC connector
• ADI® FMC converter board

Example designs include:

• FPGA HDL code
• Linux operating system
• Custom IIO Linux device drivers with LibIIO libraries
• IIO Oscilloscope, a Linux user space application
• IIOstream C , a C code example for Linux and remote windows user space application
• Python script example for Linux and other remote user space application
• Matlab toolbox example for other platform user application
• no-OS a bare metal driver with a example application

Each platform is provided with a unique Quick Start Guide, ensuring a good out-of-box experience. Complete example design source code is provided in repositories. This includes source for Linux and FPGA HDL code.

The following platforms are available

• AD463x Platform User Guide

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