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141 changes: 141 additions & 0 deletions docs/solutions/reference-designs/eval-ad4134-fmcz/index.rst
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.. _eval-ad4134-fmcz:

EVAL-AD4134FMCZ
===============

24-Bit, 4-Channel Simultaneous Sampling 1.5 MSPS Precision Alias Free ADC

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.. image:: images/ad4134_chip.png
:align: left
:width: 100

Overview
--------

The :adi:`AD4134` is a quad channel, low noise, simultaneous sampling, precision
analog-to-digital converter (ADC), based on the continuous time sigma-delta
(CTSD) modulation scheme. This technology does not use sample-and-hold circuitry
to alleviate the side effects introduced by it, like charge kickback and signal
aliasing. This inherent alias rejection is up to 100 dB.

The device provides four independent converter channels with freely programmable
data rates from 0.01 kSPS up to 1496 kSPS and maximum input bandwidth of
391.5 kHz. An asynchronous sample rate converter is used to synchronize two
or more devices using only a signal line.

It has excellent AC and DC performance with 107.5 dB dynamic range for the FIR
filter and 111 dB SNR. The offset drift is 1.5 uV/C, gain drift of 2 ppm/C
and INL of +/-2.5 ppm.

It can be powered from a 4.5 V to 5.5 V power supply and a 1.65 V to 1.95 V
digital power supply for 1.8 V I/O level. It can have external voltage
reference of 2.5 V, 4.096 V and 5 V and a crystal or CMOS external clock of

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48 MHz. The device can be configured and controlled by GPIOs or SPI. It has

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temperature operating range between -40 C and +125 C.

Features:

- 24-bit, 4-channel simultaneous sampling ADC
- Throughput of up to 1496 kSPS per channel
- Alias-free continuous time sigma-delta modulation (up to 100 dB rejection)
- Freely programmable data rates from 0.01 kSPS to 1496 kSPS
- Maximum input bandwidth of 391.5 kHz
- Asynchronous sample rate converter for multi-device synchronization
- SPI or GPIO configuration and control

Applications:

- Electrical test and measurement
- Audio test
- 3-phase power quality analysis
- Control and hardware in loop verification
- Sonar
- Condition monitoring for predictive maintenance
- Acoustic and material science research and development

.. figure:: images/ad4134_eval_board.png
:align: center
:width: 400

EVAL-AD4134FMCZ evaluation board

.. toctree::
:hidden:

user-guide
quickstart/index
prerequisites

Recommendations
---------------

People who follow the flow that is outlined, have a much better experience with
things. However, like many things, documentation is never as complete as it
should be. If you have any questions, feel free to ask on our
:ref:`EngineerZone forums <help-and-support>`, but before that, please make
sure you read our documentation thoroughly.

To better understand the :adi:`AD4134`, we recommend to use the
:adi:`EVAL-AD4134FMCZ` evaluation board.

Table of contents
-----------------

#. Using the evaluation board/full stack reference design that we offer:

#. :ref:`Prerequisites <eval-ad4134-fmcz prerequisites>` - what you
need to get started
#. :ref:`Quick start guides <eval-ad4134-fmcz quickstart>`:

#. Using the :ref:`Zedboard / Zynq-7000 SoC
<eval-ad4134-fmcz quickstart zed>`

#. Configure an SD Card with
:external+kuiper:doc:`Kuiper <index>`

#. Linux Applications

#. :ref:`iio-oscilloscope`

#. Design with the AD4134

#. HDL reference design

#. :external+hdl:ref:`HDL reference design <ad4134_fmc>` which
you must use in your FPGA.
#. :git-hdl:`AD4134 HDL Reference Design
<projects/ad4134_fmc>` which you must use in your FPGA.

#. More information

#. :external+hdl:ref:`SPI Engine Framework <spi_engine>`

#. :ref:`Help and Support <help-and-support>`

.. _eval-ad4134-fmcz block-diagram:

Functional Block Diagram
~~~~~~~~~~~~~~~~~~~~~~~~

.. figure:: images/ad4134_block_diagram.png
:width: 1000

AD4134 functional block diagram

Additional Information and Useful Links
---------------------------------------

- :adi:`AD4134 Product Page <AD4134>`
- :adi:`EVAL-AD4134FMCZ Evaluation Board <EVAL-AD4134FMCZ>`
- :adi:`AD4134 Data Sheet
<media/en/technical-documentation/data-sheets/ad4134.pdf>`

Warning
--------

.. esd-warning::

Help and support
----------------

Please go to :ref:`Help and Support <help-and-support>` page.
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.. _eval-ad4134-fmcz prerequisites:

Prerequisites
=============

What you need, depends on what you are trying to do. As a minimum, you need to
start out with:

Hardware prerequisites
----------------------

#. The :adi:`AD4134`-based evaluation board:
:adi:`EVAL-AD4134FMCZ`
#. An FPGA carrier platform. Our recommended ones can be found
:ref:`here <eval-ad4134-fmcz carriers>`.

- There are a few more boards, which do work, but are currently not
supported by us. The experience with the fabric-only solutions is very
close to the ARM/FPGA SoC based solutions, but the GUI runs on a host PC
(Windows or Linux).

#. Some way to interact with the FPGA platform:

#. for the ARM/FPGA SoC platforms, this normally includes:

- Micro-USB cable for UART console

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- LAN cable (Ethernet) for SSH or IIO applications

#. for the FPGA only solutions, this includes:

- LAN cable (Ethernet)
- Host PC (Windows or Linux)
- Micro-USB cables for UART and JTAG

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#. Internet connection (without proxies makes things much easier) to update the
scripts/binaries on the SD card that came with the ADI FMC Card (firewalls
are OK, proxies make things a pain).
#. Signal generator or test equipment for analog inputs
#. An SD card with at least 16GB of memory (in case you're using Linux). You
should have received one when purchasing the evaluation board.

Software prerequisites
----------------------

Normally, for basic functionalities regarding visualizing the data received
from the FPGA, we use the following:

#. :external+scopy:doc:`Scopy <index>` v2.0 or later (must contain the IIO
plugin)
#. :ref:`iio-oscilloscope`
#. A UART terminal (Putty/Tera Term/Minicom, etc.) with baud rate 115200 (8N1)

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.. note::

:adi:`ADI <>` does not offer FPGA carrier platforms for sale or loan; getting
one yourself is the normal part of development or evaluation.
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.. _eval-ad4134-fmcz quickstart:

Quickstart
==========

The Quick start guides provide simple step by step instructions on how to do
an initial system setup for the :adi:`EVAL-AD4134FMCZ`
board on various FPGA development boards. In these guides, we will discuss how
to program the bitstream, run a no-OS program or boot a Linux distribution.

.. toctree::

On ZedBoard <zed>

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.. _eval-ad4134-fmcz carriers:

Supported carriers
------------------

The :adi:`EVAL-AD4134FMCZ`, is, by definition a "FPGA
mezzanine card" (FMC); that means it needs a carrier to plug into.

The carriers we support are:

.. list-table::
:header-rows: 1

- - FPGA board
- EVAL-AD4134FMCZ
- - `ZedBoard <https://digilent.com/reference/programmable-logic/zedboard/start>`__
- FMC LPC

Supported environments
----------------------

The supported OS are:

.. list-table::
:header-rows: 1

- - FPGA board
- HDL
- Linux software
- No-OS software
- - `ZedBoard <https://digilent.com/reference/programmable-logic/zedboard/start>`__
- Yes
- Yes
- No

Hardware setup
--------------

On the ZedBoard, the :adi:`EVAL-AD4134FMCZ` board connects to the FMC LPC
connector. The carrier setup requires power, UART (115200), Ethernet (Linux),
and/or JTAG (no-OS) connections.

ZedBoard + EVAL-AD4134FMCZ
~~~~~~~~~~~~~~~~~~~~~~~~~~

.. figure:: ../images/ad4134_setup_hardware.jpg
:align: center
:width: 600

ZedBoard + EVAL-AD4134FMCZ setup
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