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Texas Instruments SLOU121 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Texas Instruments SLOU121. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Texas Instruments SLOU121 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Texas Instruments SLOU121 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Texas Instruments SLOU121, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Texas Instruments SLOU121 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Texas Instruments SLOU121
- nombre de fabricante y año de fabricación del dispositivo Texas Instruments SLOU121
- condiciones de uso, configuración y mantenimiento del dispositivo Texas Instruments SLOU121
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Texas Instruments SLOU121 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Texas Instruments SLOU121 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Texas Instruments en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Texas Instruments SLOU121, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Texas Instruments SLOU121, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Texas Instruments SLOU121. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

           February 2002 Mixed Signal Products User ’ s Guide SLOU121[...]

  • Página 2

    IMPORT ANT NOTICE T exas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orde[...]

  • Página 3

    EVM IMPORT ANT NOTICE T exas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EV ALUA TION PURPOSES ONL Y and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of[...]

  • Página 4

    EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the specified input and output ranges described in the EVM User ’ s Guide. Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the input range, please contact a TI field representative p[...]

  • Página 5

    Information About Cautions and Warnings v Preface Read This First How to Use This Manual This document contains the following chapters: - Chapter 1 — Introduction - Chapter 2 — Quick Start - Chapter 3 — Details - Chapter 4 — Reference Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of [...]

  • Página 6

    Related Documentation From T exas Instruments vi 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 A601 1A4 Stereo 2-W Audio Power Amplifier (literature number SLOS3[...]

  • Página 7

    Contents vii Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Description 1-3 . . . . [...]

  • Página 8

    Contents viii Figures 1 – 1 The TI TP A601 1A4 Audio Amplifier Evaluation Module 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 2 Module Preparation 2-4 . . . . . . . . . . . . . . .[...]

  • Página 9

    1-1 Introduction This chapter provides an overview of the T exas Instruments (TI) TP A601 1A4 audio amplifier evaluation module (SLOP389). 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 Feature Highlights 1–2 . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 10

    Feature Highlights 1-2 Introduction 1.1 Feature Highlights The TI TP A601 1A4 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: - TP A601 1A4 stereo 2-W audio power amplifier evaluation module J Internal depop circuitry to minimize transients in outputs J Dual channel, bridg[...]

  • Página 11

    Description 1-3 Introduction 1.2 Description The TP A601 1A4 stereo 2-W audio power amplifier evaluation module is a complete, 2-W per channel stereo audio power amplifier with dc volume control. It consists of the TI TP A601 1A4 stereo 2-W audio power amplifier IC along with a small number of other parts mounted on a circuit board that measures ap[...]

  • Página 12

    1-4 Introduction[...]

  • Página 13

    2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TP A601 1A4 audio amplifier EVM for use. Using the TP A601 1A4 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. However[...]

  • Página 14

    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[...]

  • Página 15

    Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TP A601 1A4 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 Figure 2 – 2, and [...]

  • Página 16

    Quick Start List for Platform 2-4 Quick Start Figure 2 – 2. Module Preparation 13 11 12 16 17 18 19 14 T able 2 – 4. T ypical TP A601 1A4 EVM Jumper Settings EVM J1 J2 J3 J4 TP A601 1A4 OFF OFF ON OFF Note: ON = Shunt installed, OFF = Open 1 1) T o allow the module SE/BTL control input to switch the amplifier IC between single ended (SE) and br[...]

  • Página 17

    Quick Start List for Stand-Alone 2-5 Quick Start 17) Adjust the SE (headphone) volume by adjusting potentiometer R6. T urn- ing R6 in the clockwise direction decreases the voltage on the SEDIFF ter- minal and the SE gain increases. T urning R6 in the counter clockwise di- rection increases the SEDIFF voltage and decreases the SE volume. 18) Set the[...]

  • Página 18

    Quick Start List for Stand-Alone 2-6 Quick Start can be used with a differential or single-ended audio source, but the headphone and line have common positive inputs. 5) Select output mode: a) For BTL output, connect a speaker to the module OUT+ and OUT – pins of each channel, or b) For single-ended output, connect a headphone or a speaker to the[...]

  • Página 19

    Quick Start List for Stand-Alone 2-7 Quick Start of the EVM is provided to monitor the dc voltage. See T able 3 – 1 for gain settings. 12) Adjust the SE (headphone) volume by adjusting potentiometer R6. T urning R6 in the clockwise direction decreases the voltage on the SEDIFF terminal and the SE gain increases. T urning R6 in the counter clockwi[...]

  • Página 20

    2-8 Quick Start[...]

  • Página 21

    3-1 Details Details This chapter provides details on the TP A601 1A4 IC, the evaluation module, and the steps in the Quick-Start List, additional application information, and a parts list for the TP A601 1A4 evaluation module. T opic Page 3.1 Precautions 3 – 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 22

    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[...]

  • Página 23

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TP A601 1A4 Audio Power Amplifier Evaluation Module The TP A601 1A4 audio power amplifier evaluation module is powered by a TP A601 1A4 stereo power amplifier capable of delivering greater than 2 W of continuous power per channel into 3- Ω loads. The amplifier IC can be o[...]

  • Página 24

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-4 Details Figure 3 – 3. TP A601 1A4 EVM Schematic Diagram PGND ROUT – PV DD RHPIN RLINEIN RIN V DD LIN LLINEIN LHPIN PV DD LOUT – 1 ROUT+ SE/BTL HP/LINE VOLUME SEDIFF SEMAX AGND BYP ASS F ADE SHUTDOWN LOUT+ PGND 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 V DD J1 R1 10[...]

  • Página 25

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-5 Details In the single-ended mode, the headphone inputs are automatically selected and the speaker load is connected between the OUT+ terminal, through an output coupling capacitor , to system ground. For more information, see the TP A601 1A4 amplifier IC data sheet, TI literature number SL[...]

  • Página 26

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-6 Details SEDIFF and SEMAX pins control the singe-ended gain proportional to the gain set by the voltage on the VOLUME pin. When SEDIFF = 0 V , the difference between the BTL gain and the SE gain is 6 dB. The voltage on the SEDIFF terminal is subtracted from the voltage on the VOLUME termina[...]

  • Página 27

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-7 Details T able 3 – 1. DC V olume Control (BTL Mode, V DD = 5 V) VOLUME (PIN 21) GAIN OF AMPLIFIER FROM (V) TO (V) GAIN OF AMPLIFIER (dB) 0.00 0.26 – 85 0.33 0.37 – 40 0.44 0.48 – 38 0.56 0.59 – 36 0.67 0.70 – 34 0.78 0.82 – 32 0.89 0.93 – 30 1.01 1.04 – 28 1.12 1.16 – 2[...]

  • Página 28

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-8 Details T able 3 – 2. DC V olume Control (SE Mode, V DD = 5 V) SE_VOLUME(V) = VOLUME(V) – SEDIFF(V) or SEMAX(V) GAIN OF AMPLIFIER FROM (V) TO (V) GAIN OF AMPLIFIER (dB) 0.00 0.26 – 85 0.33 0.37 – 46 0.44 0.48 – 44 0.56 0.59 – 42 0.67 0.70 – 40 0.78 0.82 – 38 0.89 0.93 – 3[...]

  • Página 29

    The TP A601 1A4 Audio Power Amplifier Evaluation Module 3-9 Details 3.2.5 Depop Circuitry The TP A601 1A4 amplifier IC contains internal circuitry to minimize the various transients that might appear at the output during the transition from power off or shutdown to normal operation, or when transitioning between the SE and BTL modes. 3.2.6 BTL Oper[...]

  • Página 30

    Using the TP A601 1A4 EVM With the Plug-N-Play Evaluation Platform 3-10 Details 3.3 Using the TP A601 1A4 EVM With the Plug-N-Play Evaluation Platform The TP A601 1A4 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[...]

  • Página 31

    Using the TP A601 1A4 EVM With the Plug-N-Play Evaluation Platform 3-1 1 Details Figure 3 – 6. TP A601 1A4 EVM Jumpers and Switches PGND ROUT – PV DD RHPIN RLINEIN RIN V DD LIN LLINEIN LHPIN PV DD LOUT – 1 ROUT+ SE/BTL HP/LINE VOLUME SEDIFF SEMAX AGND BYP ASS F ADE SHUTDOWN LOUT+ PGND 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 [...]

  • Página 32

    Using the TP A601 1A4 EVM With the Plug-N-Play Evaluation Platform 3-12 Details 3.3.2.3 J2 — Input Mode Jumper T o force the module amplifier IC to use the HP input regardless of the module control input state, set jumper J2 to ON. Jumper J2 connects the HP/LINE input mode control pin on the amplifier IC directly to V DD , so that when J2 is ON, [...]

  • Página 33

    Using the TP A601 1A4 EVM With the Plug-N-Play Evaluation Platform 3-13 Details 3.3.3.1 Signal Conditioning The audio signal from the input jacks can be applied to the signal conditioning socket (U1) if an EVM is installed there, or socket U1 can be bypassed and the audio input signal applied directly to the inputs of the TP A601 1A4. - Switch S2 s[...]

  • Página 34

    Using the TP A601 1A4 EVM With the Plug-N-Play Evaluation Platform 3-14 Details output mode. When the mode control input is tied to GND, the module operates in the BTL output mode. When this input is tied to V DD , the module operates in the single-ended output mode. In the typical application, output mode switching allows the TP A601 1A4 to operat[...]

  • Página 35

    Power Requirements 3-15 Details - When JP6 is set to mode, use the following JP8 settings for the TP A601 1A4: J T o switch the TP A601 1A4 amplifier module to the single-ended output mode when a plug is inserted into the headphone jack, jumper JP8 to Hi (this is the typical setting). J T o switch the TP A601 1A4 amplifier module to the BTL output [...]

  • Página 36

    Inputs and Outputs 3-16 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 inch) stereo phone jack (J4)[...]

  • Página 37

    Using the TP A601 1A4 EVM Stand-Alone 3-17 Details 3.4 Using the TP A601 1A4 EVM Stand-Alone Using the TP A601 1A4 audio power amplifier evaluation module stand-alone is much the same as using it with the platform. The same 4.5-V to 5.5-V power supply range and the isolated OUT+ and OUT – lines for BTL operation requirement exists. Note that the [...]

  • Página 38

    Using the TP A601 1A4 EVM Stand-Alone 3-18 Details 3.4.2 TP A601 1A4 EVM Connected for Single-Ended Output Figure 3 – 1 1. TP A601 1A4 EVM Connected for Stereo Single-Ended Output + + Audio Input (Right) Audio Input (Left) 5 V 33 µ F – 1000 µ F 33 µ F – 1000 µ F T able 3 – 4. T ypical TP A601 1A4 EVM Jumper Settings for Single-Ended Sta[...]

  • Página 39

    4-1 Reference Reference The TP A601 1A4 EVM board layers, board schematic, and parts list are pres- ented in this chapter . T opic Page 4.1 TP A601 1A4 EVM Layers and Board Schematic 4-2 . . . . . . . . . . . . . . . . . . 4.2 TP A601 1A4 EVM Parts List 4-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 4[...]

  • Página 40

    TP A601 1A4 EVM Layers and Board Schematic 4-2 Reference 4.1 TP A601 1A4 EVM Layers and Board Schematic Figure 4 – 1. TP A0601 1A4 EVM T op View Figure 4 – 2. TP A0601 1A4 EVM Bottom View[...]

  • Página 41

    TP A601 1A4 EVM Layers and Board Schematic 4-3 Reference Figure 4 – 3. TP A0601 1A4 EVM Schematic Diagram PGND ROUT – PV DD RHPIN RLINEIN RIN V DD LIN LLINEIN LHPIN PV DD LOUT – 1 ROUT+ SE/BTL HP/LINE VOLUME SEDIFF SEMAX AGND BYP ASS F ADE SHUTDOWN LOUT+ PGND 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 V DD J1 R1 100 k Ω V [...]

  • Página 42

    TP A601 1A4 EVM Parts List 4-4 Reference 4.2 TP A601 1A4 EVM Parts List T able 4 – 1. TP A601 1A4 EVM Parts List Reference Description Size EVM Qty . Manufacturer/ Part Number Digi-Key Number C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 Capacitor , 0.47 µ F , 16 V , 80%/ – 20%, nonpolarized, SMD 0805 10 Murata GRM40-Y5V474Z16 Arrow GRM40-Y5V474Z 01[...]