Texas Instruments TPA0242 manual

Contents

Main Page Preface Related Documentation From Texas Instruments TPA0242 Stereo 2-W Audio Power Amplifier TI Plug-N-Play Audio Amplifier Evaluation Platform FCC Warning Page Contents Figures Tables Introduction Introduction 1.1 Feature Highlights Introduction 1.2 Description hook up Figure 11.The TI TPA0242 Audio Amplifier Evaluation Module 1.3 TPA0242 EVM Specifications Page Chapter 2 Quick Start Table 21. Typical TI Plug-N-Play Platform Jumper and Switch Settings for the TPA0242 Table 22. Typical TPA0242 EVM Jumper Settings Topic Page Precautions 2.1 Precautions Figure 21.Quick Start Platform Map 2.2 Quick Start List for Platform OFF. Mode Hi. Table 23. Platform Jumper and Switch Settings for the TPA0242 Figure 22.Module Preparation Table 24. Typical TPA0242 EVM Jumper Settings 2.3 Quick Start List for Stand-Alone Figure 23.Quick Start Module Map OFF. Page Chapter 3 Details Topic Page Precautions 3.1 Precautions Figure 31.The TI Plug-N-Play Audio Amplifier Evaluation Platform 3.2 The TPA0242 Audio Power Amplifier Evaluation Module Figure 32.TPA0242 EVM The TPA0242 Audio Power Amplifier Evaluation Module 3-4 Figure 33.TPA0242 EVM Schematic Diagram 3.2.1 TPA0242 Audio Amplifier IC Figure 34.TPA0242 Amplifier IC 3.2.2 Inputs and Gain line headphone HP Table 31. TPA0242 EVM BTL Volume Settings 3.2.3 Differential Input 3.2.4 Depop Circuitry 3.2.5 BTL Operation NOT 3.2.6 Single-Ended Operation 3.3 Using The TPA0242 EVM With the Plug-N-Play Evaluation Platform 3.3.1 Installing and Removing EVM Boards 3.3.1.1 EVM Insertion 3.3.1.2 EVM Removal Using The TPA0242 EVM With the Plug-N-Play Evaluation Platform 3.3.2 TPA0242 Module Jumper Settings and Switches means that a shunt is installed across the two pins of the jumper. Setting a jumper to Figure 35.TPA0242 EVM Jumpers and Switches 3.3.2.1 S1 Shutdown Switch 3.3.2.2 S3 Output Mode Jumper 3.3.2.3 S3 Input Mode Jumper 3.3.2.4 S4 Input and Output Mode Jumper 3.3.3 Signal Routing Figure 36.Platform Signal Routing and Outputs only U2 U4 3.3.4 Mute (Shutdown)/Mode 3.3.4.1 Headphone Jack Control Signals Figure 37.Mute/Mode and Polarity Control Page 3.3.5 Power Requirements MUST NOT 3.3.6 Inputs and Outputs 3.3.6.1 Inputs 3.3.6.2 Outputs Figure 38.Typical Headphone Plug Using The TPA0242 EVM Stand-Alone 3.4 Using The TPA0242 EVM Stand-Alone (Left) 3.4.1 TPA0242 EVM Connected for BTL Output Figure 39.TPA0242 EVM Connected for Stereo BTL Output (Right) 3.4.2 TPA0242 EVM Connected for Single-Ended Output + Figure 310. TPA0242 EVM Connected for Stereo Single-Ended Output 33 F 1000 F + 3.5 TPA0242 Audio Power Amplifier Evaluation Module Parts List Table 34.TPA0242 EVM Parts List