CDB4341A Cirrus Logic Inc, CDB4341A Datasheet - Page 2

• Manufacturer Part Number: CDB4341A
• Description: Audio Modules & Development Tools Eval Bd
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4341A

• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4341A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE OF CONTENTS
LIST OF FIGURES
2
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/sales.cfm
IMPORTANT NOTICE
"Preliminary" product information describes products that are in production, but for which full characterization data is not yet available. "Advance" product infor-
mation describes products that are in development and subject to development changes. Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the infor-
mation contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided "AS IS" without warranty
of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being
relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those
pertaining to warranty, patent infringement, and limitation of liability. No responsibility is assumed by Cirrus for the use of this information, including use of this
information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus
and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or
other intellectual property rights. Cirrus owns the copyrights of the information contained herein and gives consent for copies to be made of the information only
for use within your organization with respect to Cirrus integrated circuits or other parts of Cirrus. This consent does not extend to other copying such as copying
for general distribution, advertising or promotional purposes, or for creating any work for resale.
An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this ma-
terial and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. An export license and/or quota needs to be
obtained from the competent authorities of the Chinese Government if any of the products or technologies described in this material is subject to the PRC Foreign
Trade Law and is to be exported or taken out of the PRC.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE
PROPERTY OR ENVIRONMENTAL DAMAGE ("CRITICAL APPLICATIONS"). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANT-
ED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS
IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK.
Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trade-
marks or service marks of their respective owners.
1. CDB4340A/41A SYSTEM OVERVIEW .......................................................... 4
2. CDB4340A/41A ERRATA .............................................................................. 4
3. CS4340A/41A DIGITAL TO ANALOG CONVERTER .................................... 4
4. CS8414 DIGITAL AUDIO RECEIVER ............................................................ 4
5. CS8414 DATA FORMAT ................................................................................ 4
6. ANALOG OUTPUT FILTER ........................................................................... 5
7. INPUT/OUTPUT FOR CLOCKS AND DATA ................................................. 5
8. POWER SUPPLY CIRCUITRY ....................................................................... 5
9. GROUNDING AND POWER SUPPLY DECOUPLING .................................. 5
10. CDB4341A CONTROL PORT SOFTWARE ................................................. 5
Figure 1. System Block Diagram and Signal Flow .............................................. 9
Figure 2. CS4340A/41A .................................................................................... 10
Figure 3. Analog Output Passive Filter .............................................................. 11
Figure 4. External Mute Circuit .......................................................................... 12
Figure 5. CS8414 Digital Audio Receiver Connections ..................................... 13
Figure 6. Digital Audio Inputs ............................................................................ 14
Figure 7. MCLK Divider and Voltage Level Converter ...................................... 15
Figure 8. Control Port Interface ......................................................................... 16
Figure 9. Reset Circuitry .................................................................................... 17
Figure 10. Power Supply ................................................................................... 18
Figure 11. I/O for Clocks and Data .................................................................... 19
Figure 12. Silkscreen Top ................................................................................. 20
Figure 13. Top Side ........................................................................................... 21
Figure 14. Bottom Side ...................................................................................... 22
CDB4340A/41A
DS590DB1