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Bedienungsanleitung Texas Instruments TPA0103

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  • Texas Instruments TPA0103 - page 1

    August 1998 Mixed-Signal Products User ’ s Guide SLOU015 ...

  • Texas Instruments TPA0103 - 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 TPA0103 - 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 A0103 3-CHANNEL AUDIO POWER AMPLIFIER STEREO SINGLE-ENDED 500-mW AND M ...

  • Texas Instruments TPA0103 - page 4

    iv ...

  • Texas Instruments TPA0103 - page 5

    Running Title—Attribute Reference v Chapter Title—Attribute Reference Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments TPA0103 - page 6

    Running Title—Attribute Reference vi Figures 1–1 The TI TP A0103 Audio Amplifier Evaluation Module 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 Quick Start Module Map 2-4 . . . ...

  • Texas Instruments TPA0103 - page 7

    1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI  ) TP A0103 Audio Amplifier Evaluation Module (SLOP103). 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 1–3 . . . . . . . ...

  • Texas Instruments TPA0103 - page 8

    1-2 Introduction ...

  • Texas Instruments TPA0103 - page 9

    Feature Highlights 1-3 Introduction 1.1 Feature Highlights The TI TP A0103 Audio Amplifier Evaluation Module and the TI Plug-N-Play Audio Amplifier Evaluation Platform include the following features: TP A0103 Low-V oltage Audio Power Amplifier Evaluation Module 535-mW single-ended into 4 Ω at 5 V L/R channels 1.75-W bridge-tied load (BTL) into 4 ...

  • Texas Instruments TPA0103 - page 10

    Description 1-4 Introduction 1.2 Description The TP A0103 Audio Power Amplifier Evaluation Module is a complete, low-power three-channel audio power amplifier . It consists of the TI TP A0103 3-Channel 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 (Figur ...

  • Texas Instruments TPA0103 - page 11

    2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TP A0103 audio amplifier EVM for use. Using the TP A0103 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. The audio amp ...

  • Texas Instruments TPA0103 - 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 TPA0103 - 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 A0103 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 Chapter ...

  • Texas Instruments TPA0103 - 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 A0103 EVM stand-alone or connect it into existing circuits or equipment. Connections to the TP A0103 module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or the bottom of ...

  • Texas Instruments TPA0103 - page 15

    3-1 Details Details This chapter provides details on the TP A0103 IC, the evaluation module, and the steps in the Quick-Start List, additional application information, and a parts list for the TP A0103 evaluation module. T opic Page 3.1 Precautions 3–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Texas Instruments TPA0103 - 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 TPA0103 - page 17

    The TP A0103 Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TP A0103 Audio Power Amplifier Evaluation Module The TP A0103 Audio Power Amplifier Evaluation Module is powered by a TP A0103 3-channel audio power amplifier capable of delivering 535 mW of continuous power to each of the left and right single-ended 4- Ω speaker loads, and ...

  • Texas Instruments TPA0103 - page 18

    The TP A0103 Audio Power Amplifier Evaluation Module 3-4 Details Figure 3–3. TP A0103 EVM Schematic Diagram GND/HS GND/HS S2 NC NC ROUT+ LOUT+ RLINE IN LLINE IN HP/LINE MUTE OUT COUT– COUT+ MODE A MODE B GND/HS GND/HS RHP IN LHP IN RBYP ASS CIN V DD V DD NC SHUTDOWN 10 9 12 11 6 5 8 7 2 1 4 3 23 22 21 20 19 18 17 16 15 14 13 24 R6 100 k Ω R4 ...

  • Texas Instruments TPA0103 - page 19

    The TP A0103 Audio Power Amplifier Evaluation Module 3-5 Details Figure 3–4. TP A0103 Amplifier IC MODE A MODE B SHUTDOWN CNTL MUX MUX CNTL L Line IN L HP IN R Line IN R HP IN C IN C OUT+ C OUT– R OUT+ L OUT+ TP A0103 HP/Line The IC includes three separate amplifier channels: a left and right stereo pair (single-ended) and a bridged-tied load ( ...

  • Texas Instruments TPA0103 - page 20

    The TP A0103 Audio Power Amplifier Evaluation Module 3-6 Details 3.2.3 Inputs and Gain The left and right single-ended channels remain separate from input to output. On the TP A0103 EVM board, the left and right channel inputs are mixed to produce a monaural representation of the stereo signal and applied to the amplifier IC center channel input. E ...

  • Texas Instruments TPA0103 - page 21

    Using The TP A0103 EVM With the Plug-N-Play Evaluation Platform 3-7 Details 3.3 Using The TP A0103 EVM W ith the Plug-N-Play Evaluation Platform The TP A0103 Audio Amplifier Evaluation Module was designed to be used with the TI Plug-N-Play Audio Amplifier Evaluation Platform. It simply plugs into socket U2. The following paragraphs provide addition ...

  • Texas Instruments TPA0103 - page 22

    Using The TP A0103 EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.2 TP A0103 Module Jumper Settings The TP A0103 EVM is equipped with several jumpers that act like SPST switches to allow module operation to be modified to suit various requirements. In the following discussion, setting a jumper to ON means that a shunt is installed acr ...

  • Texas Instruments TPA0103 - page 23

    Using The TP A0103 EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.2.1 S1 — Shutdown Jumper T o have the module amplifier IC enter the shutdown mode when the module mute control input is activated, set shutdown jumper S1 to ON. The mute control output pin on the TP A0103 amplifier IC goes high when the mute mode is selected by the ou ...

  • Texas Instruments TPA0103 - page 24

    Using The TP A0103 EVM With the Plug-N-Play Evaluation Platform 3-10 Details 3.3.2.3 S3 — Input Select Jumper T o select the line inputs, set input select jumper S3 to OFF . T o select the headphone inputs, set input select jumper S3 to ON. The TP A0103 amplifier IC has two separate inputs for each of the left and right stereo channels. An intern ...

  • Texas Instruments TPA0103 - page 25

    Using The TP A0103 EVM With the Plug-N-Play Evaluation Platform 3-1 1 Details 3.3.3 Signal Routing Signal flow on the platform is controlled by two signal routing switches, as shown in Figure 3 – 5. Figure 3–6. Platform Signal Routing and Outputs U1 Signal Conditioning On Off U5 Stereo Headphone Amplifier S2 R L R L L U5 U2 – U4 S3 J10 Headph ...

  • Texas Instruments TPA0103 - page 26

    Using The TP A0103 EVM With the Plug-N-Play Evaluation Platform 3-12 Details 3.3.4 Mode Control The TP A0103 EVM is equipped with a mode control input pin that receives a control signal from the platform. This EVM pin is connected to the amplifier IC Mode A output mode control input pin. The state of this input, in conjunction with the state of the ...

  • Texas Instruments TPA0103 - page 27

    Using The TP A0103 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. T o switch the TP A0103 ...

  • Texas Instruments TPA0103 - page 28

    Power Requirements 3-14 Details 3.3.5 Power Requirements The TP A0103 Audio Power Amplifier Evaluation Module can operate from any voltage between approximately 3 V and 5.5 V ; however , the TP A0103 amplifier IC on the module is characterized for operation at 3.3 V and 5 V . For best performance (highest output power with lowest distortion), the m ...

  • Texas Instruments TPA0103 - page 29

    Inputs and Outputs 3-15 Details 3.3.6 Inputs and Outputs The TI Plug-N-Play Audio Amplifier Evaluation Platform is equipped with several standard conectors for audio inputs and outputs. 3.3.6.1 Inputs In most cases, audio signals enter the platform through either a pair of RCA phono jacks (J3 and J5) or a miniature (1/8 ″ ) stereo phone jack (J4) ...

  • Texas Instruments TPA0103 - page 30

    Using The TP A0103 EVM Stand-Alone 3-16 Details 3.4 Using The TP A0103 EVM Stand-Alone Using the TP A0103 Audio Power Amplifier Evaluation Module stand-alone is much the same as using it with the platform. The same 3-V to 5.5-V power supply range and the isolated OUT+ and OUT– lines for BTL operation requirement exists. Note that the mute signal ...

  • Texas Instruments TPA0103 - page 31

    Using The TP A0103 EVM Stand-Alone 3-17 Details 3.4.2 TP A0103 EVM Connected for Stereo Headphones Output Figure 3–10. TP A0103 EVM Connected for Stereo Headphones Output 5 V 33 µ F – 1000 µ F + + 33 µ F – 1000 µ F Audio Input (Right) Audio Input (Left) 5 V Mute GND ROUT+ HP/L* COUT– MODE A SDWN GND COUT+ LOUT+ C1 C2 R6 GND GND LIN LHP ...

  • Texas Instruments TPA0103 - page 32

    TP A0103 Audio Power Amplifier Evaluation Module Parts List 3-18 Details 3.5 TP A0103 Audio Power Amplifier Evaluation Module Parts List T able 3–5. TP A0103 EVM Parts List Ref. Description Size EVM Qty . Manufacturer/ Part Number Digi-Key Number C1, C2, C6, C7 Capacitor , 1 µ F , +80% –20%, nonpolarized 1206 4 Murata GRM42-6Y5V105Z16BL Newark ...

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