Texas Instruments TPA0103

Using The TPA0103 EVM With the Plug-N-Play Evaluation Platform

3-13

Details

3.3.4.2 Mute/Mode Select (JP6)

A 3-pin jumper header (JP6) on the platform, functioning as an SPDT switch,

routes the control signal from the headphone jack to either the mute control

input pin or the mode control input pin of the evaluation module.

To switch the TPA0103 amplifier module between center channel

speaker and stereo headphone modes using the control signal from

the platform headphone jack, jumper JP6 to

MODE

For center channel only or 3-channel output modes (as selected by

EVM jumper S2) leave JP6

open.

3.3.4.3 Mute/Mode Polarity Select (JP8)

A second 3-pin jumper header (JP8) on the platform selects the control signal

polarity by connecting either the active-high or the active-low line from the

headphone jack to jumper JP6.

When JP6 is set to Mode, set JP8 to

When JP6 is open, JP8 settings are ignored.

Contents

Main Page Preface Related Documentation From Texas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform TPA0103 3-CHANNEL AUDIO POWER AMPLIFIER STEREO SINGLE-ENDED 500-mW AND MONO BTL 1.75-W FCC Warning Page Contents Figures Tables Introduction Page Introduction 1.1 Feature Highlights Introduction 1.2 Description Figure 11.The TI TPA0103 Audio Amplifier Evaluation Module 1.3 TPA0103 EVM Specifications Chapter 2 Quick Start Table 21. Typical TI Plug-N-Play Platform Jumper and Switch Settings for the TPA0103 Table 22. Typical TPA0103 EVM Jumper Settings Topic Page Precautions 2.1 Precautions Figure 21. Quick Start Platform Map 2.2 Quick Start List for Platform OFF BLACK OFF. Table 23. TI Plug-N-Play Platform Jumper and Switch Settings for the TPA0103 2.3 Quick Start List for Stand-Alone Figure 22. OFF. Table 25. TPA0103 EVM Stand-Alone Jumper settings Details Topic Page Precautions 3.1 Precautions Figure 31.The TI Plug-N-Play Audio Amplifier Evaluation Platform 3.2 The TPA0103 Audio Power Amplifier Evaluation Module Figure 32.TPA0103 EVM The TPA0103 Audio Power Amplifier Evaluation Module 3-4 Figure 33.TPA0103 EVM Schematic Diagram 3.2.1 TPA0103 Audio Amplifier IC Figure 34.TPA0103 Amplifier IC 3.2.2 Output Modes Table 31. TPA0103 Output Modes 3.2.3 Inputs and Gain HP headphone line 3.3 Using The TPA0103 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 TPA0103 EVM With the Plug-N-Play Evaluation Platform 3.3.2 TPA0103 Module Jumper Settings ON means that a shunt is installed across the two pins of the jumper. Setting a jumper to OFF Figure 35.TPA0103 EVM Jumpers Table 32. TPA0103 Output Modes Page 3.3.3 Signal Routing Figure 36.Platform Signal Routing and Outputs . U2 U4 3.3.3.1 Signal Conditioning 3.3.4 Mode Control 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 The positive (red) connectors of J8 are not used. 3.3.6.2 Outputs Figure 38.Typical Headphone Plug 3.4 Using The TPA0103 EVM Stand-Alone 3.4.1 TPA0103 EVM Connected for Center Channel BTL Output Figure 39.TPA0103 EVM Connected for Center Channel BTL Output Table 33. Typical TPA0103 EVM Jumper Settings for Center Channel BTL Stand-Alone Using The TPA0103 EVM Stand-Alone 3.4.2 TPA0103 EVM Connected for Stereo Headphones Output Mute + Figure 310. TPA0103 EVM Connected for Stereo Headphones Output 5 V 3.5 TPA0103 Audio Power Amplifier Evaluation Module Parts List Table 35.TPA0103 EVM Parts List