Texas Instruments ADS62PXXEVM User Manual
  1. Manuals
  2. Brands
  3. Texas Instruments Manuals
  4. Motherboard
  5. ADS62PXXEVM
  6. User manual

Texas Instruments ADS62PXXEVM User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ADS62PXXEVM
User's Guide
Literature Number: SLAU237B
May 2008 – Revised July 2010

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ADS62PXXEVM and is the answer not in the manual?

Questions and answers

Related Manuals for Texas Instruments ADS62PXXEVM

Summary of Contents for Texas Instruments ADS62PXXEVM

  • Page 1 ADS62PXXEVM User's Guide Literature Number: SLAU237B May 2008 – Revised July 2010...
  • Page 2 SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 3: Table Of Contents

    Connecting to FPGA Platforms ..................... TSW1200 Capture Board ....................... TSW1100 ......................... ADC Evaluation ....................Hardware Selection ................Coherent Input Frequency Selection ......................Revision Changes SLAU237B – May 2008 – Revised July 2010 Table of Contents Copyright © 2008–2010, Texas Instruments Incorporated...
  • Page 4 Analog Input Jumper description ....................EVM Analog Input Options ..................Clock Input Jumper Description ....................EVM Clock Input Options ................ADS62PXX Frequently Used Registers List of Figures SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 5: Overview

    Crystal Filter Transformers Coupled ADS62Pxx DATA Input Circuit Data_CLK Optional Amplifier Path Figure 1. EVM Block Diagram Windows is a registered trademark of Microsoft Corporation. SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 6: Ads62Pxx Evm Quick-Start Procedure

    ADS62Pxx EVM Quick-Start Procedure The ADS62PXXEVM provides numerous options for providing clock, input frequency and power to the ADC under evaluation. The quick start procedure describes how to quickly get initial results using the default configuration of the EVM as it was shipped. The EVM can be put back to default configuration by...

  • Page 7: Circuit Description

    Since the ADC is in parallel operation mode, voltages are used to set the ADC configuration modes. Users can use the information printed on the EVM silkscreen to set the operation modes. SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 8: Ads62Pxxevm Power Distribution

    EVM such as the Clock Generation circuitry, the USB circuitry, and the CMOS output buffer. Some ADC devices that may be evaluated on the ADS62PXXEVM platform do not take 1.8V for the digital supply, but rather require 3.3V for the digital supply. For this reason, an adjustable voltage regulator was chosen for the digital supply;...

  • Page 9: Evm Power Supply Jumper Description

    Option 3 is used to evaluate ADC performance using an isolated AVDD and DVDD power supply for current-consumption measurements. This option must be used with caution, because reversing the power SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 10: Analog Input Jumper Description

    1-2 → Pulls up the pin (Normal operation or amplifier is ON) Power down for amplifier THS4509 2-3 → Grounds the pin (Low-power mode or amplifier is off) ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 11: Evm Analog Input Options

    1.5V peak to peak, and the amplitude offset is not an issue due to the AC coupling of the clock input. The clock source is commonly synchronized with the input frequency signal generator to keep the clock and IF coherent for meaningful FFT analysis. SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 12: Clock Input Jumper Description

    2-3 → Connects to 10nF capacitor 1-2 → High JP20 AUX Select pin for CDCE72010 2-3 → Low SPI Bus Access for CDCE72010 see schematic ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 13: Evm Clock Input Options

    This configuration is recommended for applications requiring an onboard clock generation scheme. The test result using this option is shown in Figure SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 14: Cdce72010 Eeprom Configuration Block Diagram

    LED D6 is 3.3V AUX, which illuminates when the 3.3V auxiliary supply is available from TPS79633. LED D3 is the PLL LOCK LED. This LED illuminates when the CDCE72010 PLL is locked. ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 15: Ti Adc Spi Control Interface

    NOTE: Before plugging in the USB cable for the first time, install the TI ADC SPI software. The software installs the drivers necessary for USB communication. Figure 4. Found New Hardware SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 16: Setting Up The Evm For Adc Spi Control

    Move jumper JP9 to short positions 2–3, which allows the USB circuit to control SDATA. • Move jumper JP10 to short positions 2–3, which allows the USB circuit to control SEN. ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 17: Using The Ti Adc Spi Interface Software

    SPI interface only and it will ignore any board-level settings that may have been set. Please consult the datasheet for a full list of available functions in SPI interface mode. Figure 7. SPI Interface Screen SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 18: Ads62Pxx Frequently Used Registers

    Multiple Powerdown Options No Course Gain 3.5-dB Course Gain INT Reference EXT Reference Bit-Wise (LVDS Only) Byte-Wise Test Mode: None Multiple Options Fine Gain Multiple Options ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 19: Connecting To Fpga Platforms

    7. The Continuous Capture option is used if the user wants to continuously capture the FFT. Adjust the input level signal to attain a dBFS value of approximately –1. SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 20: Quick-Setup Test Result

    ADC performance capture using TSW1200 with the input signal of a 57.6-MHz frequency and clock frequency of 250 MHz with ADS62PXX. Figure 9. Quick-Setup Test Result ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 21: Adc Performance With Clock Through Onboard Vcxo, Cdce72010 And Crystal Filter

    The capture result for ADS62PXX is as shown in Figure Figure 10. ADC Performance With Clock Through Onboard VCXO, CDCE72010 and Crystal Filter SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 22: Tsw1100

    Install TI's SN74AVC16244 buffer into U12 and U13. • If using the parallel interface mode (JP11=1-2), configure the ADC in CMOS output mode using the silkscreen on JP14. ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 23: Adc Evaluation

    ADC input frequencies are being evaluated. SLAU237B – May 2008 – Revised July 2010 ADS62PXXEVM Copyright © 2008–2010, Texas Instruments Incorporated...

  • Page 24: Coherent Input Frequency Selection

    SPI controller. • Changed USB connector from J5 in Rev. C to J16 in Rev. D to minimize the physical size of the USB connector. ADS62PXXEVM SLAU237B – May 2008 – Revised July 2010 Copyright © 2008–2010, Texas Instruments Incorporated...
  • Page 25 EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
  • Page 26 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
  • Page 27 Компания «ЭлектроПласт» предлагает заключение долгосрочных отношений при поставках импортных электронных компонентов на взаимовыгодных условиях! Наши преимущества:  Оперативные поставки широкого спектра электронных компонентов отечественного и импортного производства напрямую от производителей и с крупнейших мировых складов;  Поставка более 17-ти миллионов наименований электронных компонентов; ...

Table of Contents