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Manual de instrucciones Texas Instruments SLOU023A

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Summary
  • Texas Instruments SLOU023A - page 1

    2001 Mixed-Signal Products User ’ s Guide SLOU023A ...

  • Texas Instruments SLOU023A - 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 SLOU023A - page 3

    iii Chapter Title — Attribute Reference Preface Related Documentation From T exas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU01 1) provides detailed information on the evaluation platform and its use with TI audio evaluation modules. TP A1 12 150-mW Stereo Audio Power Amplifier (literature number SLOS212 ...

  • Texas Instruments SLOU023A - page 4

    iv ...

  • Texas Instruments SLOU023A - page 5

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

  • Texas Instruments SLOU023A - page 6

    Running Title — Attribute Reference vi Figures 1 – 1 The TI TP A1 12 MSOP Audio Amplifier Evaluation Module 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 2 Quick Start Module Map 2-4 . ...

  • Texas Instruments SLOU023A - page 7

    1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI  ) TP A1 12 MSOP audio amplifier evaluation module (SLOP126). 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 Features 1–2 . . . . . . . . . ...

  • Texas Instruments SLOU023A - page 8

    Features 1-2 Introduction 1.1 Features The TI TP A1 12 MSOP audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TP A1 12 MSOP Stereo Audio Power Amplifier Evaluation Module Dual channel, single-ended operation 150-mW output power per channel into 8 Ω at 5 V 2.5-V to 5.5-V op ...

  • Texas Instruments SLOU023A - page 9

    Description 1-3 Introduction 1.2 Description The TP A1 12 MSOP audio power amplifier evaluation module is a complete, low-power stereo audio power amplifier for high-fidelity line-level output, headphone, and small speaker applications. It consists of the TI TP A1 12 150-mW stereo audio power amplifier IC in a very small MSOP package, along with a ...

  • Texas Instruments SLOU023A - page 10

    1-4 Introduction ...

  • Texas Instruments SLOU023A - page 11

    2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TP A1 12 MSOP audio amplifier EVM for use. Using the TP A1 12 MSOP 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 connectors. ...

  • Texas Instruments SLOU023A - 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 SLOU023A - 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 A1 12 MSOP 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 in ...

  • Texas Instruments SLOU023A - 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 A1 12 MSOP EVM stand-alone or to connect it into existing circuits or equipment. Connections to the TP A1 12 MSOP module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or ...

  • Texas Instruments SLOU023A - page 15

    3-1 Details Details This chapter provides details on the TP A1 12 IC, the evaluation module, the steps in the Quick-Start List, additional application information, and a parts list for the TP A1 12 MSOP evaluation module. T opic Page 3.1 Precautions 3 – 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments SLOU023A - 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 SLOU023A - page 17

    The TP A1 12 MSOP Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TP A1 12 MSOP Audio Power Amplifier Evaluation Module The TP A1 12 MSOP audio power amplifier evaluation module is powered by a TP A1 12 150-mW stereo audio amplifier IC. It can drive either line-level outputs, 32- Ω headphones, or 8- Ω speakers. A single-supply opera ...

  • Texas Instruments SLOU023A - page 18

    The TP A1 12 MSOP Audio Power Amplifier Evaluation Module 3-4 Details 3.2.1 TP A1 12 Audio Amplifier IC The TP A1 12 audio amplifier IC is a CMOS device intended primarily for high-performance line-level output, headphone driver , and small speaker applications. It is supplied in both a SOIC and a very small surface-mount MSOP package and has been ...

  • Texas Instruments SLOU023A - page 19

    The TP A1 12 MSOP Audio Power Amplifier Evaluation Module 3-5 Details 3.2.2 Module Gain The TP A1 12 MSOP evaluation module has a set gain of 4 (inverting) for each channel. However , the gain can be adjusted to a maximum of approximately 10 (inverting) by changing the value of feedback resistors (R8 and R10, Figure 3 – 3). Use the following equa ...

  • Texas Instruments SLOU023A - page 20

    Using The TP A1 12 MSOP EVM With the Plug-N-Play Evaluation Platform 3-6 Details 3.3 Using The TP A1 12 MSOP EVM W ith the Plug-N-Play Evaluation Platform The TP A1 12 MSOP audio amplifier evaluation module is designed for use with the TI plug-n-play audio amplifier evaluation platform. It simply plugs into socket U5. The following paragraphs provi ...

  • Texas Instruments SLOU023A - page 21

    Using The TP A1 12 MSOP EVM With the Plug-N-Play Evaluation Platform 3-7 Details 3.3.2 Signal Routing Signal flow on the platform is controlled by two signal routing switches, as shown in Figure 3 – 5. Figure 3 – 5. Platform Signal Routing and Outputs U1 Signal Conditioning On Off U5 TP A1 12 MSOP Headphone Amplifier EVM S2 R L R L L U5 U2 – ...

  • Texas Instruments SLOU023A - page 22

    Using The TP A1 12 MSOP EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.3 Power Requirements The TP A1 12 MSOP audio power amplifier evaluation module can operate from a V DD voltage between approximately 2.5 V and 5.5 V . The TI plug-n-play audio amplifier evaluation platform with a voltage regulator EVM installed on it can provide a ...

  • Texas Instruments SLOU023A - page 23

    Using The TP A1 12 MSOP EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.4 Inputs and Outputs The TI plug-n-play audio amplifier evaluation platform is equipped with several standard conectors for audio inputs and outputs. 3.3.4.1 Inputs In most cases, audio signals enter the platform through either a pair of RCA phono jacks (J3 and J5) ...

  • Texas Instruments SLOU023A - page 24

    Using The TP A1 12 MSOP EVM Stand-Alone 3-10 Details 3.4 Using The TP A1 12 MSOP EVM Stand-Alone Using the TP A1 12 MSOP audio power amplifier evaluation module stand-alone is much the same as using it with the platform. The same 2.5-V to 5.5-V power supply requirement exists. 3.4.1 TP A1 12 MSOP EVM Connected as a Stereo Headphone Amplifier Figure ...

  • Texas Instruments SLOU023A - page 25

    TP A1 12 MSOP Audio Power Amplifier Evaluation Module Parts List 3-1 1 Details 3.5 TP A1 12 MSOP Audio Power Amplifier Evaluation Module Parts List T able 3 – 1. TP A1 12 MSOP EVM Parts List Ref. Description Size EVM Qty . Manufacturer/ Part Number V endor/Number C3, C6 Capacitor , 1 µ F , +80%/ – 20%, nonpolarized, SMD 0603 2 Murata GRM39-Y5V ...

  • Texas Instruments SLOU023A - page 26

    3-12 Details ...

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