Manuale d’uso / di manutenzione del prodotto TAP6203A1 del fabbricante Texas Instruments
Vai alla pagina of 22
July 2002 Mixed-Signal Products User ’ s Guide SLOU123A.
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.
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.
EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the supply voltage range of 2.5 V to 5.5 V . Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM.
Information About Cautions and Warnings iii Preface Read This First Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of a caution statement. A caution statement describes a situation that could potentially damage your software or equipment.
FCC Warning 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 .
Contents v Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . . . . . . .
Contents vi.
1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI) TP A6203A1 MicroStar Junior BGA audio amplifier evaluation module (SLOP369). It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications.
Feature Highlights 1-2 1.1 Feature Highlights The TI TP A6203A1 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: - TP A6203A.
Description 1-3 Introduction 1.2 Description The TP A6203A1 audio power amplifier evaluation module is a complete, low-power single-channel audio power amplifier .
TP A6203A1 EVM Specifications 1-4 related evaluation modules. The EVMs simply plug into the platform, which automatically provides power to the modules, interconnects them correctly , an d connects them to a versatile array of standard audio input and output jacks and connectors.
2-1 Operation Operation Follow the steps in this chapter to prepare the TP A6203A1 audio amplifier EVM for use. Using the TP A6203A1 EVM with the TI plug-n-play audio amplifier ev al u a t i o n p l a t f o r m i s a q u ick and easy way to connect power , signal and control inputs, and signal outputs to the EVM, using standard connectors.
Precautions 2-2 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.
Quick Start List for Platform 2-3 Operation 2.2 Quick Start List for Platform Follow these steps when using the TP A6203A1 EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user ’ s guide, SLOU01 1, for additional details).
Quick Start List for Stand-Alone 2-4 2.3 Quick Start List for Stand-Alone Follow these steps to use the TP A6203A1 EVM stand-alone or when connecting it into existing circuits or equipment.
Quick Start List for Stand-Alone 2-5 Operation 5) Connect the SHUTDOWN pin through a normally open switch to GND. 6) Connect an 8- Ω – 32- Ω speaker to the module OUT+ and OUT – pins. - Power Up 7) V erify correct voltage and input polarity and set the external power supply to on.
References 2-6 2.4 References 2.4.1 TP A6203A1 EVM Connected for Stereo BTL Output Figure 2 – 3. TP A6203A1 EVM Connected for Stereo BTL Output Audio Input (Left) External Mute Control Right Audio I.
TP A6203A1 Audio Power Amplifier Evaluation Module Parts List 2-7 Operation 2.4.2 TP A6203A1 EVM Schematic Diagram Figure 2 – 4. TP A6203A1 EVM Schematic Diagram C3 0.22 µ F C2 0.22 µ F R5 100 k Ω IN – SHUTDOWN S1 OUT – GND OUT+ R4 100 k Ω R2 20 k Ω C5 10 µ F C4 0.
TP A6203A1 EVM PCB Layers 2-8 2.4.4 TP A6203A1 EVM PCB Layers The following illustrations depict the TP A6203A1 EVM PCB layers and silks- creen. These drawings are not to scale.
TP A6203A1 EVM PCB Layers 2-9 Operation Figure 2 – 6. TP A6203A1 EVM Bottom Layer.
2-10.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Texas Instruments TAP6203A1 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Texas Instruments TAP6203A1 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Texas Instruments TAP6203A1 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Texas Instruments TAP6203A1 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Texas Instruments TAP6203A1, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Texas Instruments TAP6203A1.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Texas Instruments TAP6203A1. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Texas Instruments TAP6203A1 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.