Manuale d’uso / di manutenzione del prodotto TAS5508-5142K7EVM del fabbricante Texas Instruments
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TAS5508-5142K7EVM User’s Guide Evaluation Module for the TAS5508B Digital Audio PWM Processor and TAS5142 Digital Amplifier Power Output Stage User's Guide June 2006 SLEU071.
2 SLEU071 – June 2006 Submit Documentation Feedback.
Contents 1 Overview ................................................................................................................... 5 1.1 TAS5508-5142K7EVM Features ..................................................................................
List of Figures 1-1 Integrated PurePath Digital™ Amplifier System ......................................................................... 6 1-2 Physical Structure for TAS5508-5142K7EVM (Rough Outline) ..............................................
Chapter 1 SLEU071 – June 2006 Overview The TAS5508-5142K7EVM PurePath Digital™ customer evaluation amplifier module demonstrates two audio integrated circuits, TAS5508B and TAS5142, from Texas Instruments (TI).
www.ti.com 1.1 TAS5508-5142K7EVM Features I2S Bus T AS 5508-5142K7EVM MODULE I2CBus Example TIInput-USB board 6 Channel Analog Input USB Interface Optical and Coaxia l S/PDIF Input ControlInt.
www.ti.com 1.2 PCB Key Map SPEAKEROUTPUTS SPEAKEROUTPUTS T AS 5508B OUTPUT STAGE CHANNEL 1 OUTPUT STAGE CHANNEL 3 OUTPUT STAGE CHANNEL 2 OUTPUT STAGE CHANNEL 4 OUTPUT STAGE CHANNEL 5 3.
www.ti.com PCB Key Map Overview 8 SLEU071 – June 2006 Submit Documentation Feedback.
2.1 Power Supply (PSU) Interface (J901 and J900) Outputstagepowersupply RESET >1ms Systempowersupply 4 1 2 3 (PCBconnectortopview) Chapter 2 SLEU071 – June 2006 System Interfaces This chapter describes the TAS5508-5142K7EVM board in regards to power supplies and system interfaces.
www.ti.com 2.2 PSU Control Interface (J902) 1 2 3 5 4 (PCBconnectortopview) 2.3 Loudspeaker Connectors (J101 … J107) PSU Control Interface (J902) Table 2-2. J901 Pin Description PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION 1 PVDD Output-stage power supply 2 SYSTEM System power supply 3 GND Ground 4 GND Ground Table 2-3.
www.ti.com 1 2 (PCBconnectortopview) 2.4 Headphone Connector (J700) 1 4 2 3 2.5 Control Interface (J40) Headphone Connector (J700) Figure 2-4. J101 . . . J107 Pin Numbers Table 2-5. J101 . . . J107 Pin Description PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION 1 OUT-1 Speaker negative output 2 OUT-2 Speaker positive output Figure 2-5.
www.ti.com Control Interface (J40) Table 2-7. J40 Pin Description (continued) PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION 11 GND Ground 12 SCL I 2 C bit clock 13 RESERVED — 14 RESERVED — 15 RESERVED — 16 RESERVED — 17 GND Ground 18 RESERVED — 19 RESERVED — 20 SD Shutdown error reporting for all channels.
www.ti.com 2.6 Digital Audio Interface (J60) Digital Audio Interface (J60) The digital audio interface contains digital audio signal data (I 2 S), clocks, etc. Please see the TAS5508B Data Manual for signal timing and details not explained in this document.
www.ti.com Digital Audio Interface (J60) System Interfaces 14 SLEU071 – June 2006 Submit Documentation Feedback.
3.1 Short-Circuit Protection and Fault-Reporting Circuitry 3.2 Fault Reporting Chapter 3 SLEU071 – June 2006 Protection This chapter describes the short-circuit protection and fault-reporting circuitry of the TAS5142 device.
www.ti.com Fault Reporting Protection 16 SLEU071 – June 2006 Submit Documentation Feedback.
4.1 Trademarks Chapter 4 SLEU071 – June 2006 Related Documentation From Texas Instruments The following is a list of documents that have detailed descriptions of the integrated circuits used in the design of the TAS5508-5142K7EVM. This information can be obtained at the URL http://www.
EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use.
EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 0 to 32 V and the output voltage range of 15 V to 20 V. Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM.
IMPORTANT NOTICE Texas 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.
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 TAS5508-5142K7EVM 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 TAS5508-5142K7EVM - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Texas Instruments TAS5508-5142K7EVM imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Texas Instruments TAS5508-5142K7EVM ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Texas Instruments TAS5508-5142K7EVM, 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 TAS5508-5142K7EVM.
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 TAS5508-5142K7EVM. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Texas Instruments TAS5508-5142K7EVM 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.
