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CS5180

∆Σ Modulator & 8 kHz to 400 kHz 16-Bit ADC

Cirrus Logic 

CS5180

TABLE OF CONTENTS

CHARACTERISTICS/SPECIFICATIONS ............................................................ 4

ANALOG CHARACTERISTICS................................................................... 4

DYNAMIC CHARACTERISTICS ................................................................. 6

DIGITAL CHARACTERISTICS.................................................................... 6

SWITCHING CHARACTERISTICS ............................................................. 7

RECOMMENDED OPERATING CONDITIONS .......................................... 8

ABSOLUTE MAXIMUM RATINGS .............................................................. 8

GENERAL DESCRIPTION .................................................................................. 9

THEORY OF OPERATION .................................................................................. 9

Converter Initialization: Calibration and Synchronization .......................... 9

Clock Generator ........................................................................................ 10

Voltage Reference .................................................................................... 10

Analog Input ............................................................................................. 11

Output Coding .......................................................................................... 11

Modulator-Only mode ............................................................................... 11

Instability Indicator .................................................................................... 13

Digital Filter Characteristics ...................................................................... 13

Serial Interface .......................................................................................... 13

Power Supplies / Board Layout ................................................................ 13

Power-down Mode .................................................................................... 15

PIN DESCRIPTION ............................................................................................ 16

PARAMETER DEFINITIONS ............................................................................. 19

APPENDIX A: CIRCUIT APPLICATIONS ......................................................... 21

PACKAGE OUTLINE DIMENSIONS ................................................................. 26

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

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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

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for general distribution, advertising or promotional purposes, or for creating any work for resale.

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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

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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-

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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.

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