CDB5341 Evaluation Board for CS5341 Features Description The CDB5341 evaluation board is an excellent means Demonstrates recommended layout and for quickly evaluating the CS5341 24-bit, stereo A/D con- grounding arrangements verter. Evaluation requires a digital signal analyzer, an CS8406 generates S/PDIF, and EIAJ-340 analog signal source, and a power supply. compatible digital audio Also included is a CS8406 digital audio interface trans- Requires only an analog signal source and mitter which generates S/PDIF, and EIAJ-340 power supplies for a complete Analog-to- compatible audio data. The digital audio data is available Digital-Converter system via RCA phono and optical connectors. ORDERING INFORMATION CDB5341 Evaluation Board CS8406 S/PDIF AES/EBU ANALOG CS5341 OUTPUT INPUT S/PDIF TRANSMITTER I/O FOR CLOCKS AND DATA Cirrus Logic, Inc. MAR 03 Copyright Cirrus Logic, Inc. 2003 www.cirrus.com (All Rights Reserved) DS564DB1 1CDB5341 TABLE OF CONTENTS 1. CDB5341 SYSTEM OVERVIEW .............................................................................................. 3 2. CS8406 DIGITAL AUDIO TRANSMITTER ............................................................................... 3 3. INPUT/OUTPUT FOR CLOCKS AND DATA ........................................................................... 3 4. POWER SUPPLY CIRCUITRY ................................................................................................. 3 5. GROUNDING AND POWER SUPPLY DECOUPLING ............................................................ 3 6. ANALOG INPUT FILTER ......................................................................................................... 3 LIST OF FIGURES Figure 1. System Block Diagram and Signal Flow .......................................................................... 5 Figure 2. Analog Audio Input........................................................................................................... 6 Figure 3. CS5341 ............................................................................................................................ 7 Figure 4. Level Shifters ................................................................................................................... 8 Figure 5. CS8406 Digital Audio Interface ........................................................................................ 9 Figure 6. Power Circuit.................................................................................................................. 10 Figure 7. Top Layer Silkscreen ..................................................................................................... 11 Figure 8. Top Layer....................................................................................................................... 12 Figure 9. Bottom Layer.................................................................................................................. 13 LIST OF TABLES Table 1. System Connections ........................................................................................................4 Table 2. CDB5341 Jumper and Switch Settings ............................................................................ 4 Contacting Cirrus Logic Support For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find one nearest you go to www.cirrus.com IMPORTANT NOTICE Cirrus Logic, Inc. and its subsidiaries Cirru) believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is providedAS I without warranty of any kind (express or implied). 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