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CS5320-KL1

24-Bit Variable Bandwidth A/D Converter Chipset

Cirrus Logic 

CS5320/21/22

TABLE OF CONTENTS

1. CHARACTERISTICS AND SPECIFICATIONS ............................................... 4

CS5320 AND CS5321 ANALOG CHARACTERISTICS ............................. 4

CS5320 AND CS5321 SWITCHING CHARACTERISTICS ........................ 6

CS5320 AND CS5321 DIGITAL CHARACTERISTICS .............................. 7

CS5320 AND CS5321 RECOMMENDED OPERATION CONDITIONS .... 7

CS5320 AND CS5321 ABSOLUTE MAXIMUM RATINGS ......................... 7

CS5322 FILTER CHARACTERISTICS ...................................................... 8

CS5322 POWER SUPPLY ....................................................................... 10

CS5322 SWITCHING CHARACTERISTICS ............................................ 10

CS5322 DIGITAL CHARACTERISTICS ................................................... 15

CS5322 RECOMMENDED OPERATION CONDITIONS ......................... 15

CS5322 ABSOLUTE MAXIMUM RATINGS ............................................. 15

2. GENERAL DESCRIPTION ............................................................................ 16

2.1. Analog Input ...................................................................................... 18

2.2. The OFST Pin.................................................................................... 18

2.3. Input Range and Overrange Conditions ............................................ 19

2.4. Voltage Reference ............................................................................. 20

2.5. Clock Source ..................................................................................... 20

2.6. Low Power Mode ............................................................................... 21

2.7. Digital Interface and Data Format...................................................... 21

2.8. Performance ...................................................................................... 22

2.9. Power Supply Considerations............................................................ 23

2.10. Power Supply Rejection Ratio ......................................................... 23

2.11. RESET Operation ............................................................................ 23

2.12. Power-down Operation .................................................................... 23

2.13. SYNC Operation .............................................................................. 24

2.14. Serial Read Operation ..................................................................... 24

2.15. Serial Write Operation ..................................................................... 25

2.16. Offset Calibration Operation ............................................................ 25

2.17. Status Bits ....................................................................................... 26

2.18. Board Layout Considerations .......................................................... 28

3. CS5320/21 PIN DESCRIPTIONS .................................................................. 29

Power Supplies ......................................................................................... 29

Analog Inputs ............................................................................................ 29

Digital Inputs ............................................................................................. 30

Digital Outputs .......................................................................................... 30

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/

Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-

mation describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the information

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). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, nor for infringements of patents or other rights

of third parties. This document is the property of Cirrus Logic, Inc. and implies no license under patents, copyrights, trademarks, or trade secrets. No part of

this publication may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photographic, or

otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user. However, no

part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical,

photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc. Furthermore, no part of this publication may be used as a basis for manufacture

or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of Cirrus Logic, Inc. or other vendors and suppliers appearing

in this document may be trademarks or service marks of their respective owners which may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trade-

marks and service marks can be found at http://www.cirrus.com.

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DS454PP1

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