Texas InstrumentsメーカーPCM1795の使用説明書/サービス説明書
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DEM-DSD1796/PCM1795/PCM1796/PCM1798 DSD1796/PCM1795/PCM1796/PCM1798 Evaluation Module User's Guide Literature Number: SLEU057A September 2004 – Revised May 2009.
2 SLEU057A – September 2004 – Revised May 2009 Submit Documentation Feedback.
Contents Preface ............................................................................................................................... 5 1 Description ..........................................................................................
www.ti.com List of Figures 1-1 DEM-DSD1796/PCM1795/PCM1796/PCM1798 Block Diagram ...................................................... 8 2-1 DEM-DAI/ASDAC Silkscreen ....................................................................................
Preface SLEU057A – September 2004 – Revised May 2009 Read This First About This Manual This document provides the information needed to set up and operate the DEM-DSD1796/PCM1795/PCM1796/PCM1798 E.
Trademarks www.ti.com Trademarks All trademarks are the property of their respective owners. Read This First 6 SLEU057A – September 2004 – Revised May 2009 Submit Documentation Feedback.
Chapter 1 SLEU057A – September 2004 – Revised May 2009 Description The DEM-DSD1796/PCM1795/PCM1796/PCM1798 is an evaluation fixture for the DSD1796/PCM1795/ PCM1796/PCM1798 series of 24-bit, 192-kHz sampling stereo DACs.
1.1 Functional Block Diagram CN003 Serial Connector I/V 5534a I/V 5534a I/V 5534a I/V 5534a BALAmp 5534a BALAmp 5534a LchOUT (4.5V ) RMS RchOUT (4.5V ) RMS DAI CS8414 SW001 003 ModeControl - S/PDIFIN OPT Coax DSDS1796 PCM1795 PCM1796 PCM1798 DEM-AS/CDACDaughterCard 3.
1.3 System Requirements 1.4 Electrostatic Discharge Warning 1.5 Function Control for DAI Interface Format 1.6 Reset Operation www.ti.com System Requirements The DEM-DSD1796/PCM1795/PCM1796/PCM1798 EVM.
1.7 SW006 Operation Control for DAC 1.8 Jumper Connection 1.9 Demonstration Software SW006 Operation Control for DAC www.ti.com Switch SW006 is the register set and reset control for the PCM1796 and DSD1796. The RESET section of the switch must be set to H except to perform a reset operation.
Chapter 2 SLEU057A – September 2004 – Revised May 2009 Schematics, PCB Layout, and Bill of Materials This chapter provides the DEM-DAI/ASDAC and the DEM-AS/CDAC printed circuit boards and schematics. The bill of materials (BOM) is included for component and manufacturer reference.
2.1 DEM-DAI/ASDAC Printed Circuit Board Layout DEM-DAI/ASDAC Printed Circuit Board Layout www.ti.com Figure 2-1 through Figure 2-3 illustrate the printed circuit board (PCB) layout for the DEM-DAI/ASDAC.
www.ti.com DEM-DAI/ASDAC Printed Circuit Board Layout Figure 2-2. DEM-DAI/ASDAC (Top View) SLEU057A – September 2004 – Revised May 2009 Schematics, PCB Layout, and Bill of Materials 13 Submit Docu.
DEM-DAI/ASDAC Printed Circuit Board Layout www.ti.com Figure 2-3. DEM-DAI/ASDAC (Bottom View) Schematics, PCB Layout, and Bill of Materials 14 SLEU057A – September 2004 – Revised May 2009 Submit D.
2.2 DEM-AS/CDAC Printed Circuit Board Layout www.ti.com DEM-AS/CDAC Printed Circuit Board Layout Figure 2-4 through Figure 2-6 illustrate the PCB layout for the DEM-AS/CDAC.
DEM-AS/CDAC Printed Circuit Board Layout www.ti.com Figure 2-6. DEM-AS/CDAC (Bottom View) Schematics, PCB Layout, and Bill of Materials 16 SLEU057A – September 2004 – Revised May 2009 Submit Docum.
2.3 DEM-DAI/ASDAC Schematics R101 220 U101 NJM5534 R105 180 C105 8200pF 2 3 6 4 R1 13 100 C103 0.027uF R109 200 C101 10uF RST MDO MDI MC ML SCLK V CC V CC GND GND (NC) (NC) (NC) (NC) V OUT L V OUT L+ .
FFC-4BMEP1 U003 74 VHC14 U004 74HC T32 U002 C Cd/F1 Cc/F0 Cb/E2 Ca/E1 C0/E0 VD+ DGND RXP RXN FSYNC SCK CS12/FCK U 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VERF Ce/F2 SDA T A ERF M1 M0 VA + AGND FIL T MCK M2 M3 SEL CBL C S8414 2 1 3 U001 TORX173 CN001 RCA pj R001 75 C001 0.
2.4 DEM-AS/CDAC Schematics C024 C020 C016 C012 C002 0.1uF V cc 1 (NC) MUTE V DD V DD GND GND RESET MDO MDI MC ML AGND D_SCLK CLKO/D_BCK P_SCLK DSD_R P_BCK P_LRCK P_DA T A DSD_L U002 NJM5534 R005 820 C.
2.5 Component Lists 2.5.1 DEM-AS/CDAC_96/98 Parts List 2.5.2 DEM-DAI/ASDAC_96/98 Parts List Component Lists www.ti.com Table 2-1 lists the bill of materials for the DEM-AS/CDAC_96/98.
www.ti.com Component Lists Table 2-2. Bill of Materials (continued) Qty RefDes Item Value Mfr Part No Manufacturer Remarks 1 FIL001 Filter Not mounted 1 CN003 L-type connector 57LE40360-7700(D3) Yamai.
Revision History Revision History www.ti.com Changes from Original (September, 2004) to A Revision .............................................................................................. Page • Updated document format to current standards ...
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.
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.
デバイスTexas Instruments PCM1795の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Texas Instruments PCM1795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 PCM1795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 PCM1795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 PCM1795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 PCM1795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 PCM1795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 PCM1795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 PCM1795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。