Texas Instruments ADS9327 User Manual
Texas Instruments ADS9327 User Manual

Texas Instruments ADS9327 User Manual

Evaluation module

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EVM User's Guide: ADS9327EVM
ADS9327 Evaluation Module
Description
The ADS9327 evaluation module (EVM) is a
platform for evaluating the performance of the
ADS9327 and ADS93xx family of devices. The
ADS9327 is a 2-channel, simultaneous-sampling,
16-bit resolution, 5-MSPS successive approximation
register (SAR) analog-to-digital converter (ADC) with
integrated reference. The ADS9327EVM includes an
FMC connector that interfaces with standard FPGA
development boards, as well as a header connector
to enable compatibility in diverse development
environments. The computer software paired with the
ADS9327EVM works with the TWSDC155EVM (sold
separately) and is provided to enable the user to
communicate to the ADC over USB for data capture,
configuration, and analysis.
Get Started
1. Order ADS9327EVM and
controller
on ti.com.
2. Visit the ADS9327 Tool Folder to download the
ADS9327 EVM GUI.
Features
ADS9327EVM has the hardware required for
diagnostic testing and accurate performance
evaluation of the ADS9327 ADC.
SBAU491 – MAY 2025
Submit Document Feedback
TSWDC155EVM
Copyright © 2025 Texas Instruments Incorporated
TSWDC155EVM controller (sold separately)
provides all necessary digital I/O signals
and power rails required for operating the
ADS9327EVM.
Easy-to-use evaluation GUI for Microsoft
Windows
®
10 and 11, 64-bit operating systems
requires the TSWDC155EVM (sold separately) for
operation.
The included software suite features graphical
tools for data capture, spectral analysis, and
linearity measurements.
Applications
Absolute optical encoders
Absolute magnetic encoders
Servo drive position feedback
Ultrasound scanners
Programmable DC power supplies, electronic
loads
SONAR
Description
®
ADS9327 Evaluation Module
1

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Summary of Contents for Texas Instruments ADS9327

  • Page 1 • SONAR 1. Order ADS9327EVM and TSWDC155EVM controller on ti.com. 2. Visit the ADS9327 Tool Folder to download the ADS9327 EVM GUI. Features • ADS9327EVM has the hardware required for diagnostic testing and accurate performance evaluation of the ADS9327 ADC.
  • Page 2 ADS9327 Evaluation Module ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 3: Kit Contents

    This user's guide describes the characteristics, operation, and use of the ADS9327 evaluation module (EVM). The ADS9327 EVM is an evaluation platform for the ADS9327 device. The EVM eases the evaluation of the ADS9327 with hardware, software, and computer connectivity through the universal serial bus (USB) interface.
  • Page 4: Device Information

    The ADS9327 is an 16-bit, 5-MSPS per channel, dual-channel, simultaneous-sampling, analog-to-digital converter (ADC). The ADS9327 has a precision voltage reference and reference buffer. Combined with low conversion latency capability, high sampling rates, minimal AC and DC errors, and low temperature drift, the ADS9327 is a high-performance design for applications requiring both precision and speed.
  • Page 5 Section 3.2.1. 5. Launch the GUI. 6. Press the Initialize USB, Power Up, Program FPGA, and Initialize ADS9327 buttons, in order from top to bottom, on the Config tab to power up and configure the EVM. See Section 3.2.2 for details.
  • Page 6: Analog Interface

    ADC A and ADC B input circuits. Additional options for sourcing the common-mode voltage are available by populating R39 (default), R40, or R88. Figure 2-3. OPA320 Circuit to Buffer the ADS9327 VCMOUT Voltage ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright ©...
  • Page 7: Voltage Reference

    (LDOs) to provide the required analog and digital supplies for the ADS9327 when J6 is in the [1-2] position. The 5V output from the TPS7A2050 (U7) powers the AVDD 5V supply rail. U8 (TPS7A2018) outputs 1.8V for VDD_1V8 and IOVDD when R13 is populated (default).
  • Page 8 Hardware www.ti.com Figure 2-5. Power Entry and Regulators ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 9 5V supply. USB hubs can cause device enumeration issues and are not recommended when communicating through the TSWDC155EVM. SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 10: Digital Interface Connections

    3.1.1 Digital Interface Connections The ADS9327 uses an SPI that configures internal device registers and consists of SCLK, SDI, D[3:0], and CSn. Configure the SPI to 1-lane, 2-lane, and 4-lane options to capture data. All of the SPI signals connect to the FMC connector on the EVM.
  • Page 11: Clock Select

    Software 3.1.2 Clock Select The ADS9327EVM provides two options for supplying the conversion clock to the ADS9327: either a clock signal from the TSWDC155EVM or an external clock source. Table 3-1 Figure 3-2 provide an overview of the ADS9327 sample clock options available on the EVM. By default, the FPGA controller on the TSWDC155EVM (sold separately) sources a clock that connects directly to the SMPL_CLKP pin on the ADS9327 by configuring J3 in the [2-3] position.
  • Page 12 4. At completion, the user launches a readme text file and the application. Figure 3-3 Figure 3-4 show these steps. Figure 3-3. Software Installation - Part 1 ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 13 Software Figure 3-4. Software Installation - Part 2 SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 14 For the Power Up and Program FPGA buttons, some status LEDs on the hardware illuminate. After all four buttons are pressed, the power on the ADS9327EVM is on and the ADS9327 device registers are configured. 1. Select “ADS9327”...
  • Page 15 3. Select sampling rate 4. Con r m input ¢ frequency 5. Select Hanning type FFT window Figure 3-6. Initial Required Setup on the Capture Tab SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 16 ¡ 3. Select channel 4. Press “GET INL/DNL” 5.Measured INL/DNL data here Figure 3-7. Using the INL/DNL Tool ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 17 The following figures show the ADS9327EVM schematics. Figure 4-1 shows the connections to the ADS9327 device, including the recommended decoupling capacitors, as well as optional connections for external clock and reference voltage inputs. The analog signals connect to SMA connectors...
  • Page 18 0.1µF 0.1µF OPA320AIDBVT VCMOUT TP16 VCM_FDA VCMOUT VCMOUT REFIO 7.50k 10.0k OPA320AIDBVT REF_SEL 10uF S H-J 4 J 11 VCM_EXT Figure 4-2. Input Connections ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 19 IOGND 782422101 782422101 782422101 782422101 IOGND IOGND IOGND IOGND 782422101 782422101 782422101 782422101 IOGND IOGND IOGND IOGND Figure 4-3. Power Connections and Regulators Schematic SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 20 S P RW_S UP_3P3 V ADJ4 AS P -134488-01 AS P -134488-01 AS P -134488-01 AS P -134488-01 AS P -134488-01 Figure 4-4. Digital Connector Schematic ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 21 Hardware Design Files 4.2 PCB Layout The following figures show the PCB layer plots for the ADS9327EVM. Figure 4-5. Top Overlay Figure 4-6. Top Layer SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 22 Hardware Design Files www.ti.com Figure 4-8. Power Layer (Negative Plane) Figure 4-7. Ground Layer (Negative Plane) Figure 4-9. Bottom Layer Figure 4-10. Bottom Overlay ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 23 Header, 100mil, 3 × 1, Gold, TH Header, 100mil, 3 × 1, TH HTSW-103-07-G-S Samtec Connector, 1.27mm, 40 × Connector, 1.27mm, 40 × 10, Black, SMT ASP-134488-01 Samtec 10, SMT SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 24 RES SMD 0Ω JUMPER 1/20W 0201 0201 (0603 Metric) RC0201JR-070RL Yageo R73, R75, R76, R77, RES, 402, 1%, 0.063W, AEC-Q200 Grade 0, 0402 0402 CRCW0402402RFKED Vishay-Dale ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 25 SOT23 (DBV5), Green (RoHS and no Sb/Br) SoundPlus(TM) Audio Operational Amplifier with U14, U15 High Performance, Low THD+N and Bipolar Input, DRC0010J OPA1622IDRCR Texas Instruments DRC0010J (VSON-10) SBAU491 – MAY 2025 ADS9327 Evaluation Module Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 26: Additional Information

    Microsoft Corporation. USB-C ® is a registered trademark of USB Implementers Forum. All trademarks are the property of their respective owners. ADS9327 Evaluation Module SBAU491 – MAY 2025 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated...
  • Page 27: Related Documentation

    Related Documentation 6 Related Documentation The following related documents are available for download through the Texas Instruments web site at ti.com. Table 6-1. Related Documentation Device Literature Number TSWDC155EVM SLAU870 TPS61033 SLVSGI6 TPS7A20 SBVS338 LM66100 SLVSEZ8 REF7040 SNAS781 THS4552...
  • Page 28 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 29 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 30 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 31 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 32 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2023, Texas Instruments Incorporated...
  • Page 33 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2025, Texas Instruments Incorporated...

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