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THS3061EVM
User's Guide
September 2002
High Performance Linear Products
SLOU145

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Summary of Contents for Texas Instruments THS3061EVM

  • Page 1 THS3061EVM User’s Guide September 2002 High Performance Linear Products SLOU145...
  • Page 2 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 3 EVM IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
  • Page 4 EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright  2002, Texas Instruments Incorporated...
  • Page 5 Read This First How to Use This Manual This document contains the following chapters: Chapter 1—Introduction and Description Chapter 2—Using the THS3061EVM Chapter 3—THS3061EVM Applications Chapter 4—EVM Hardware Description Information About Cautions and Warnings This book may contain cautions and warnings.
  • Page 6 Amp Circuits, http://www-s.ti.com/sc/psheets/sloa069/sloa069.pdf Application report (SLMA002), Power Pad Thermally Enhanced Package, http://www-s.ti.com/sc/psheets/slma004/slma002.pdf Application report (SLMA004), Power Pad Made Easy, http://www-s.ti.com/sc/psheets/slma004/slma004.pdf Application report (SSYA008), Electrostatic Discharge (ESD), http://www-s.ti.com/sc/psheets/ssya008/ssya008.pdf High-Speed Amplifier PCB Layout Tips, http://www-s.ti.com/sc/psheets/sloa102/sloa102.pdf Trademarks PowerPAD is a trademark of Texas Instruments.
  • Page 7: Table Of Contents

    ............Board Layout Views for THS3061EVM .
  • Page 8: Introduction And Description

    THS3061 operational amplifier. Also, this EVM is a good example of high-speed PCB design. This document details the THS3061EVM. It includes a list of EVM features, a brief description of the module illustrated with a series of schematic diagrams, EVM specifications, details on connecting and using the EVM, and a discus- sion of high-speed amplifier design considerations.
  • Page 9: Schematic Of The Populated Circuit Interconnection The Ths3061Evm (Default Cinterconnectionfiguratiinterconnection)

    Evaluation Schematic When used as an inverting amplifier in the default configuration connected to a 50-Ω input measurement instrument, R7 causes a slight gain error. The total voltage gain is the negative ratio of the feedback resistor R5 and the gain resistor R3, times the voltage divider created by R6-R7, and the measurement device input termination resistance.
  • Page 10: Using The Ths3061Evm

    Chapter 2 Using the THS3061 EVM This section shows how to connect the THS3061EVM to test equipment. It is recommended that the user connect the EVM as shown in this section to avoid damage to the EVM or the THS3061 installed on the board.
  • Page 11: Ths3061Evm Applications

    Chapter 3 THS3061EVM Applications Example applications are presented in this chapter. These applications demonstrate the most popular circuits, but many other circuits can be constructed. The purpose of the EVM board is for the user to experiment with different circuits, exploring new and creative design techniques, which is the function of an evaluation board.
  • Page 12: Noninverting Gain Stage

    Noninverting Gain Stage 3.2 Noninverting Gain Stage The EVM can be modified to eliminate the gain error imposed by R2 by replacing R2 with a 0-Ω resistor. This is shown in Figure 3-2. R7 has been removed, as it was in the inverting gain stage shown above. The following equation indicates the voltage gain from J2 to J4: 50 W + 1 ) R5...
  • Page 13: Evm Hardware Description

    Chapter 4 EVM Hardware Description This chapter describes the EVM hardware. It includes the EVM parts list, and printed circuit board layout. Table 4-1. THS3061EVM Bill of Materials Item Description Reference Manufacturer’s Distributor’s Size Designator Part Number Part Number Bead, ferrite, 3A, 80 Ω...
  • Page 14: Board Layout Views For Ths3061Evm

    Figure 4-1. Board Layout Views for THS3061EVM Layer 2 - Ground Layer 3 - Power Bottom...
  • Page 15 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments THS3061EVM...

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