Texas InstrumentsメーカーTAS5508-5142K7EVMの使用説明書/サービス説明書
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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.
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Texas Instruments TAS5508-5142K7EVMをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはTexas Instruments TAS5508-5142K7EVMの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Texas Instruments TAS5508-5142K7EVMの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Texas Instruments TAS5508-5142K7EVMで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Texas Instruments TAS5508-5142K7EVMを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はTexas Instruments TAS5508-5142K7EVMの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Texas Instruments TAS5508-5142K7EVMに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちTexas Instruments TAS5508-5142K7EVMデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
