Texas Instruments THS5661A Evaluation Module THS5661EVM User Manuals

Table of Contents

• Table of Contents

  2
• Preface

  5
• 1 EVM Overview

  7
  • 1.1 System Block Diagram

    8
  • 1.2 CommsDAC System Description

    9
    • 1.2.1 THS5671A/THS5661A/THS5651A/THS5641A CommsDAC

      9
    • 1.2.2 Control/Interface

      10
    • 1.2.3 Output Stage

      10
  • 1.3 EVM Operating Modes

    10
    • 1.3.1 C542/C54xx DSK/Microprocessor Mode

      10
    • 1.3.2 Pattern Generator Mode

      10
    • 1.3.3 Analog Output

      11
  • 1.4 Power and Cabling Requirements

    11
  • 1.5 Printed Circuit Assembly as Part of a System

    11
    • 1.5.1 C542/C54xx DSK/Microprocessor Mode

      11
    • 1.5.2 Pattern Generator Mode

      11
    • 1.5.3 CommsDAC Output Configurations

      15
  • 1.6 Printed Circuit Assembly Options Available

    15
• 2 Getting Started

  17
  • 2.1 Physical Description

    18
  • 2.2 Parts List

    21
• 3 User Configurations

  23
  • 3.1 Schematic Diagram

    24
  • 3.2 User Options

    25
  • 3.3 Analog/Digital Supply Voltages

    26
  • 3.4 Digital Input Configurations

    27
    • 3.4.1 Apply DSP Signals to THS56X1A CommsDAC

      27
    • 3.4.2 Apply Pattern Generator Signals to THS56X1A CommsDAC

      27
  • 3.5 Generating a Voltage Reference

    28
    • 3.5.1 Internal Reference

      28
    • 3.5.2 Onboard External Reference

      29
  • 3.6 External Clock

    30
    • 3.6.1 External Clock Generation

      30
    • 3.6.2 C542/C54xxDSK/Microprocessor Mode

      31
    • 3.6.3 Analog Output Circuits

      31
  • 3.7 Connector Pin and Function Assignments

    32
• 4 Control Modes

  35
  • 4.1 SLEEP Input Pin

    36
  • 4.2 MODE Input Pin

    36
  • 4.3 BIASJ Input Pin

    36
  • 4.4 EXTLO Input Pin

    36
  • 4.5 EXTIO Input Pin

    36
• 5 Software

  37