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Evaluation Module Overview
1 Evaluation Module Overview
1.1 Introduction
This user's guide describes the characteristics, operation, and use of the ADS9227 evaluation module (EVM).
This is an evaluation platform for the ADS9227 device. The EVM eases the evaluation of the ADS9227 with
hardware, software, and computer connectivity through the universal serial bus (USB) interface. This user's
guide includes complete circuit descriptions, schematic diagrams, and a bill of materials (BOM). Throughout this
document, the terms evaluation module and EVM are synonymous with the ADS9227EVM.
1.2 Kit Contents
The ADS9227EVM includes a standard FMC connector on the bottom of the PCB. The FMC connector can be
used to mate with standard FPGA kits, including the
a digital controller board that is necessary for the included EVM software GUI to communicate with the device,
graph measured results, and compute common figures of merit (for example, SNR and THD).
ADS9227EVM
(included in kit)
Signal
Source
Signal
Source
1.3 Specification
The block diagram in
Figure 1-2
AINAP
AINAM
2
ADS9227 Evaluation Module
TSWDC155EVM
Power supplied by
TSWDC155EVM
over USB
Figure 1-1. System Using GUI and TSWDC155EVM
depicts the connections and basic subsystems of the ADS9227EVM.
External Sync
SMA
REF7040
Reference
SMA
ADS9227
THS4551
SMA
PGA855
SMA
AINBP
Figure 1-2. ADS9227EVM Block Diagram
Copyright © 2024 Texas Instruments Incorporated
(sold separately). The TSWDC155EVM is
TSWDC155EVM
TI provided GUI for
ADS9227EVM
Sold separately by
Texas Instruments
External Clock
SMA
SMA
Power
Power
connector
PGA855 Gain Control
A2
A1
SMA
AINBM
A0
www.ti.com
FMC
SBAU439 – JANUARY 2024
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