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Manual de instrucciones Texas Instruments SLOU082

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Summary
  • Texas Instruments SLOU082 - page 1

    September 2000 Mixed-Signal Products User ’ s Guide SLOU082 ...

  • Texas Instruments SLOU082 - page 2

    IMPORT ANT NOTICE T exas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify , before placing orders, that information being relied on is current and complete. All product ...

  • Texas Instruments SLOU082 - page 3

    iii Chapter Title—Attribute Reference Preface Related Documentation From T exas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (TI Literature Number SLOU01 1) provides detailed information on the evaluation platform and its use with TI audio evaluation modules. TP A032D03 CLASS-D AUDIO POWER AMPLIFIER (TI Literature Number SLOS283 ...

  • Texas Instruments SLOU082 - page 4

    iv ...

  • Texas Instruments SLOU082 - page 5

    Running Title—Attribute Reference v Chapter Title—Attribute Reference Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments SLOU082 - page 6

    Running Title—Attribute Reference vi Figures 1–1 The TI TP A032D03 Mono Class-D Audio Power Amplifier EVM — T op V iew 1-3 . . . . . . . . . . 1–2 The TI TP A032D03 Mono Class-D Audio Power Amplifier EVM — Bottom View 1-3 . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments SLOU082 - page 7

    1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI) TP A032D03 mono class-D audio power amplifier evaluation module (SLOP310). It includes a list of EVM features, a brief description of the module illustrated with a pictorial diagram, and a list of EVM specifications. T opic Page 1.1 Feature Highlights 1? ...

  • Texas Instruments SLOU082 - page 8

    Feature Highlights 1-2 Introduction 1.1 Feature Highlights The TI TP A032D03 mono class-D audio power amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TP A032D03 Mono Class-D Audio Power Amplifier with Stereo Head- phone Amplifier Evaluation Module Internal depop circuitry to gre ...

  • Texas Instruments SLOU082 - page 9

    Description 1-3 Introduction 1.2 Description The TP A032D03 mono class-D audio power amplifier evaluation module is a complete, 10-W mono audio power amplifier . It consists of the TI TP A032D03 mono class-D audio power amplifier IC along with a small number of other parts mounted on a circuit board that measures approximately 2 inches by 1 inches ...

  • Texas Instruments SLOU082 - page 10

    TP A032D03 Class-D EVM Specifications 1-4 Introduction Single in-line header pins extend from the underside of the module circuit board to allow the EVM to either be plugged into the TI plug-n-play audio amplifier evaluation platform, or to be wired directly into existing circuits and equipment when used stand-alone. The platform has room for a sin ...

  • Texas Instruments SLOU082 - page 11

    2-1 Quick Start Quick Start Follow the steps in this chapter to quickly prepare the TP A032D03 mono class-D audio amplifier EVM for use. Using the TP A032D03 class-D EVM with the TI plug-n-play audio amplifier evaluation platform is a quick and easy way to connect power , signal and control inputs, and signal outputs to the EVM using standard conne ...

  • Texas Instruments SLOU082 - page 12

    Precautions 2-2 Quick Start 2.1 Precautions Power Supply Input Polarity and Maximum V oltage Always ensure that the polarity and voltage of the external power connected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in ...

  • Texas Instruments SLOU082 - page 13

    Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TP A032D03 class-D EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user ’s guide, SLOU01 1, for additional details). Numbered callouts for selected steps are shown in Figure 2–1 and details appear i ...

  • Texas Instruments SLOU082 - page 14

    Quick Start List for Stand-Alone 2-4 Quick Start 2.3 Quick Start List for Stand-Alone Follow these steps to use the TP A032D03 class-D EVM stand-alone or to connect it into existing circuits or equipment. Connections to the TP A032D03 module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top o ...

  • Texas Instruments SLOU082 - page 15

    3-1 Details Details This chapter provides details on the TP A032D03 IC evaluation module, a parts list for the TP A032D03 class-D evaluation module, and module PCB layer illustrations. T opic Page 3.1 Precautions 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Plug-N-Play Platform Power Re ...

  • Texas Instruments SLOU082 - page 16

    Precautions 3-2 Details 3.1 Precautions Power Supply Input Polarity and Maximum V oltage Always ensure that the polarity and voltage of the external power connected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fus ...

  • Texas Instruments SLOU082 - page 17

    Plug-N-Play Platform Power Requirements and Connections 3-3 Details 3.2 Plug-N-Play Platform Power Requirements and Connections The TP A032D03 mono class-D audio power amplifier evaluation module is designed to operate from a supply voltage between 9 V and 14 V . For best performance, the module should be operated at 12 V . The TI plug-n-play audio ...

  • Texas Instruments SLOU082 - page 18

    Plug-N-Play Platform Inputs and Outputs 3-4 Details 3.3 Plug-N-Play Platform Inputs and Outputs The TI plug-n-play audio amplifier evaluation platform is equipped with several standard conectors for audio inputs and outputs. 3.3.1 Inputs In most cases, audio signals enter the platform through either a pair of RCA phono jacks (J3 and J5) or a miniat ...

  • Texas Instruments SLOU082 - page 19

    Plug-N-Play Platform Inputs and Outputs 3-5 Details 3.4 Control and Indicator Circuits Three main control circuits are provided with the TP A032D03. The mute circuit grounds the output of the active amplifier , the mode circuit selects between the class-D amplifier and the headphone amplifier , and the shutdown circuit places the entire device into ...

  • Texas Instruments SLOU082 - page 20

    Plug-N-Play Platform Inputs and Outputs 3-6 Details 3.6 Module Switches The TP A032D03 mono class-D audio amplifier evaluation module is equipped with two pushbutton switches that allow the module shutdown and mute functions to be manually activated. 3.6.1 S1 — Shutdown Switch T o have the module amplifier IC enter the shutdown mode, press the Sh ...

  • Texas Instruments SLOU082 - page 21

    Using The TP A032D03 Class-D EVM Stand-Alone 3-7 Details 3.7 Using The TP A032D03 Class-D EVM Stand-Alone Using the TP A032D03 mono class-D audio power amplifier evaluation module stand-alone is much the same as using it with the platform. The same 9-V to 14-V power supply range and the isolated OUT+ and OUT– lines for BTL operation requirements ...

  • Texas Instruments SLOU082 - page 22

    Using The TP A032D03 Class-D EVM Stand-Alone 3-8 Details 3.7.2 Input Connections The class-D amplifier input signals can be connected in either of two ways: differential or single-ended. For differential operation, connect the signal source to the positive and negative inputs (IN+ and IN– module pins). For single-ended operation, the input signal ...

  • Texas Instruments SLOU082 - page 23

    TP A032D03 Class-D EVM Bill of Materials 3-9 Details 3.8 TP A032D03 Class-D EVM Bill of Materials The components in the bill of materials (T able 3–4) were selected for their common values, availability , and the smallest size available to meet these criteria. T able 3–4. TP A032D03 Class-D EVM Bill of Materials Reference Description Size EVM Q ...

  • Texas Instruments SLOU082 - page 24

    TP A032D03 Class-D EVM Schematic 3-10 Details 3.9 TP A032D03 Class-D EVM Schematic The TP A032D03 class-D EVM schematic is shown in Figure 3–4. Figure 3–4. TP A032D03 Class-D EVM Schematic Diagram TP A032D03 S1 SD R6 100k SD R5 100k S2 Mute Mute VDD C3 OUTP 11 PGND 12 PGND 13 OUTN 14 OUTN 15 PVDD 16 HPREG 17 HPLOUT 18 OUTP 10 PVDD 9 VDD 8 AGND ...

  • Texas Instruments SLOU082 - page 25

    TP A032D03 Class-D EVM PCB Layers 3-1 1 Details 3.10 TP A032D03 Class-D EVM PCB Layers The following illustrations depict the TP A032D03 class-D EVM PCB assembly and layers. These drawings are not to scale. Gerber plots can be obtained from any TI Sales Office. Figure 3–5. TP A032D03 Class-D EVM T op Assembly Figure 3–6. TP A032D03 Class-D EVM ...

  • Texas Instruments SLOU082 - page 26

    TP A032D03 Class-D EVM PCB Layers 3-12 Details Figure 3–7. TP A032D03 Class-D EVM T op Layer Figure 3–8. TP A032D03 Class-D EVM Second Layer ...

  • Texas Instruments SLOU082 - page 27

    TP A032D03 Class-D EVM PCB Layers 3-13 Details Figure 3–9. TP A032D03 Class-D EVM Third Layer Figure 3–10. TP A032D03 Class-D EVM Bottom Layer ...

  • Texas Instruments SLOU082 - page 28

    3-14 Details ...

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