Related Manuals for Texas Instruments DEM-DAI1802
Summary of Contents for Texas Instruments DEM-DAI1802
- Page 1 DEM DAI1802 EVM PCM1802 With Digital Audio Transmitter User’s Guide March 2002 DAV Digital Audio/Imaging Japan (DAL) SLEU017...
- Page 2 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. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
- Page 3 EVM IMPORTANT NOTICE Texas 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 EVALUATION PURPOSES ONLY 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 required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
- Page 4 EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright 2002, Texas Instruments Incorporated...
- Page 5 Related Documentation From Texas Instruments Preface Read This First About This Manual This user’s guide describes the construction and circuitry of the DEM-DAI1802 demonstration board. It also contains instructions for connecting and setting up the DEM-DAI1802 for operation. How to Use This Manual This document contains the following chapters: Chapter 1 –...
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Page 7: Table Of Contents
..... . . 2–7 DEM-DAI1802 Digital Section (Digital Audio Interface) Schematic Diagram ... - Page 8 Contents Tables 1–1 Analog Input Selection (JP101/102)—CN101/102 for 2 V RMS, CN103/104 for 1 V RMS ............1–2 PCM1802: HPF Bypass Control (SW051) .
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Page 9: Description
A/D converter, PCM1802, with digital audio transmitter, mode controls switch, onboard oscillator, –6 dB amplifier, and LPF. The DEM-DAI1802 operates from 5 V and ±15 V analog power supplies with a 1-V RMS or 2-V RMS unbalanced analog signal input. -
Page 10: Block Diagram
R–ch OPA2134 24.576 MHz External–I/F (CN002) 1.2 DEM-DAI1802 Basic Connection and Operation Connect the 5.0-V and ±15-V power supplies to the V , AV , –AV and GND on connectors CN051–CN055. The ±15-V supplies are required only for 2-V RMS input. -
Page 11: Pcm1802: Oversampling Control (Sw051)-64 F
DEM-DAI1802 Basic Connection and Operation Table 1–3. PCM1802: Oversampling Control (SW051)—64 f or 128 f Oversampling OSR (SW051) ×128 f ×64 f Table 1–4. PCM1802: Master/Slave and Oversampling Rate Selection (JP002/004/052 and SW002/051) MODE1 MODE0 M/S select BCK sel LRCK sel... -
Page 12: Digital Signal I/F To Pcm1802 (Jp052)
DEM-DAI1802 Basic Connection and Operation Table 1–8. Data Format Selection (JP003 and SW051) Data Format JP003 FMT1 FMT0 PCM, left justified, 24 bit L/J 24 PCM, I S, 24 bit Table 1–9. System Clock Source Selection (JP005)—Internal Clock: X001/24.576 MHz,... -
Page 13: S/Pdif Transmitter Format: Cs8404 Configuration (Sw004)
DEM-DAI1802 Basic Connection and Operation Table 1–11. S/PDIF Transmitter Format: CS8404 Configuration (SW004) Professional Mode Consumer Mode Switch L=0, Switch L=0, Professional mode Consumer mode C8,C9,C10,C11 – Channel mode (1 of 4) Generation status 0000 – Not indicated (default: 2-ch) 0 –... -
Page 15: Schematics And Printed-Circuit Board
Chapter 2 Schematics and Printed-Circuit Board This chapter presents the DEM-DAI1802 printed-circuit board and the DEM- DAI1802 schematics. Topic Page DEM-DAI1802 Printed-Circuit Board ...... -
Page 16: Dem-Dai1802 Silkscreen
DEM-DAI1802 Printed-Circuit Board 2.1 DEM-DAI1802 Printed-Circuit Board Figure 2–1. DEM-DAI1802 Silkscreen... -
Page 17: Dem-Dai1802 Top View
DEM-DAI1802 Printed-Circuit Board Figure 2–2. DEM-DAI1802 Top VIew Schematics and Printed-Circuit Board... -
Page 18: Dem-Dai1802 Bottom View
DEM-DAI1802 Printed-Circuit Board Figure 2–3. DEM-DAI1802 Bottom View... -
Page 19: 2.2 Dem-Dai1802 Schematics
DEM-DAI1802 Schematics 2.2 DEM-DAI1802 Schematics Figure 2–4. DEM-DAI1802 Analog Section Schematic Diagram R105 1.2k C107 100pF C105 330pF C101 R109 4.7k 10uF CN101 R103 R101 /16V RCA pj AV CC+ 3.3k 2.4k C109 10uF JP101 /16V FFC–4BMEP1 C103 C111 R107... -
Page 20: Dem-Dai1802 A/D Converter Section Schematic Diagram
DEM-DAI1802 Schematics Figure 2–5. DEM-DAI1802 A/D Converter Section Schematic Diagram V IN L V IN R V CC V DD U052 PCM1802 V IN L MODE1 C063 V IN R MODE0 4.7uF/16V C061 V REF 1 FMT1 10uF/16V V REF 2... - Page 21 DEM-DAI1802 Schematics Figure 2–7. DEM-DAI1802 Digital Section (Digital Audio Interface)Schematic Diagram V CC SW002 FT2D–2M FSYNC V DD Master/Slave SW001 Select U002 FT2D–2M SLAVE (H) Format Select Left Just. 24bit [C7/C3] C008 C7/C3 TRNPT/FC1 0.1uF [PRO] U006 (L001) 74HC245 [C1/FC0]...
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