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Manual Texas Instruments TPA102 MSOP

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  • Texas Instruments TPA102 MSOP - page 1

    May 2001 Mixed-Signal Products User ’ s Guide SLOU022A ...

  • Texas Instruments TPA102 MSOP - 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 TPA102 MSOP - page 3

    iii Read This First Preface How to Use This Manual This document contains the following chapters: Chapter 1 — Introduction Chapter 2 — Quick Start Chapter 3 — Details Related Documentation From T exas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU01 1) provides detailed information on the evaluation pla ...

  • Texas Instruments TPA102 MSOP - page 4

    Running Title — Attribute Reference iv FCC Warning This equipment is intended for use in a laboratory test environment only . It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable ...

  • Texas Instruments TPA102 MSOP - page 5

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

  • Texas Instruments TPA102 MSOP - page 6

    Running Title — Attribute Reference vi Figures 1 – 1 The TI TP A102 MSOP Audio Amplifier Evaluation Module 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 2 Quick Start Module Map 2-4 . . ...

  • Texas Instruments TPA102 MSOP - page 7

    1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI) TP A102 MSOP audio amplifier evaluation module (SLOP125). It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications. T opic Page 1.1 Features 1–2 . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments TPA102 MSOP - page 8

    Features 1-2 Introduction 1.1 Features The TI TP A102 MSOP audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TP A102 MSOP stereo audio power amplifier evaluation module Dual channel, single-ended operation 150 mW output power into 8 Ω at 5 V 2.5-V to 5.5-V operation V ery ...

  • Texas Instruments TPA102 MSOP - page 9

    Description 1-3 Introduction 1.2 Description The TP A102 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 A102 150-mW stereo audio power amplifier IC in a very small MSOP package, along with a sm ...

  • Texas Instruments TPA102 MSOP - page 10

    1-4 Introduction ...

  • Texas Instruments TPA102 MSOP - page 11

    2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TP A102 MSOP audio amplifier EVM for use. Using the TP A102 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. H ...

  • Texas Instruments TPA102 MSOP - 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 TPA102 MSOP - 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 A102 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 C ...

  • Texas Instruments TPA102 MSOP - 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 A102 MSOP EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TP A102 MSOP module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top ...

  • Texas Instruments TPA102 MSOP - page 15

    3-1 Details Details This chapter provides details on the TP A102 IC, the evaluation module, the steps in the Quick-Start List, additional application information, and a parts list for the TP A102 MSOP evaluation module. T opic Page 3.1 Precautions 3 – 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments TPA102 MSOP - 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 TPA102 MSOP - page 17

    The TP A102 MSOP Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TP A102 MSOP Audio Power Amplifier Evaluation Module The TP A102 MSOP audio power amplifier evaluation module is powered by a TP A102 150-mW stereo audio amplifier IC. It includes a shutdown control signal input with onboard switch and can drive either line-level outputs, ...

  • Texas Instruments TPA102 MSOP - page 18

    The TP A102 MSOP Audio Power Amplifier Evaluation Module 3-4 Details 3.2.1 TP A102 Audio Amplifier IC The TP A102 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 a very small surface-mount MSOP package designed to operate from low sup ...

  • Texas Instruments TPA102 MSOP - page 19

    The TP A102 MSOP Audio Power Amplifier Evaluation Module 3-5 Details 3.2.2 Module Gain The TP A102 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 (R2 and R4, Figure 3 – 3). Use the following equatio ...

  • Texas Instruments TPA102 MSOP - page 20

    Using the TP A102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-6 Details 3.3 Using the TP A102 MSOP EVM W ith the Plug-N-Play Evaluation Platform The TP A102 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 provide ...

  • Texas Instruments TPA102 MSOP - page 21

    Using the TP A102 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 A102 MSOP Headphone Amplifier EVM S2 R L R L L U5 U2 – U4 ...

  • Texas Instruments TPA102 MSOP - page 22

    Using the TP A102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.3 Shutdown The TP A102 MSOP EVM is equipped with a shutdown control input pin. When this input is tied to V DD , the TP A102 amplifier IC on the module ceases operation and enters an ultralow-power state. When the EVM shutdown control input is tied to GND or allowed ...

  • Texas Instruments TPA102 MSOP - page 23

    Using the TP A102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.4 Power Requirements The TP A102 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 re ...

  • Texas Instruments TPA102 MSOP - page 24

    Using the TP A102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-10 Details 3.3.5 Inputs and Outputs The TI plug-n-play audio amplifier evaluation platform is equipped with several standard conectors for audio inputs and outputs. 3.3.5.1 Inputs In most cases, audio signals enter the platform through either a pair of RCA phono jacks (J3 and J5) ...

  • Texas Instruments TPA102 MSOP - page 25

    Using the TP A102 MSOP EVM Stand-Alone 3-1 1 Details 3.4 Using the TP A102 MSOP EVM Stand-Alone Using the TP A102 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. Note that the shutdown signal applied to the EVM SD pin must be able to su ...

  • Texas Instruments TPA102 MSOP - page 26

    TP A102 MSOP Audio Power Amplifier Evaluation Module Parts List 3-12 Details 3.5 TP A102 MSOP Audio Power Amplifier Evaluation Module Parts List T able 3 – 1. TP A102 MSOP EVM Parts List Ref. Description Size EVM Qty . Manufacturer/ Part Number V endor/Number C1, C2, C3, C5 Capacitor , 1 µ F, 80%/ – 20%, Non-polarized, SMD 0603 4 Murata GRM39- ...

Manufacturer Texas Instruments Category Stereo Amplifier

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