CS5471
TABLE OF CONTENTS
3. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 3
ANALOG CHARACTERISTICS................................................................................................ 3
DIGITAL CHARACTERISTICS................................................................................................. 4
RECOMMENDED OPERATING CONDITIONS ....................................................................... 5
ABSOLUTE MAXIMUM RATINGS ........................................................................................... 5
SWITCHING CHARACTERISTICS .......................................................................................... 6
4. GENERAL DESCRIPTION ....................................................................................................... 7
4.1 Theory of Operation ........................................................................................................... 7
4.2 Performing Measurements ................................................................................................. 7
4.3 High Rate Digital Filters ..................................................................................................... 8
4.4 Serial Interface ................................................................................................................... 8
4.5 System Initialization ........................................................................................................... 9
4.6 Analog Inputs ..................................................................................................................... 9
4.7 Voltage Reference ............................................................................................................. 9
4.8 Using the Charge Pump Drive Pin ..................................................................................... 9
4.9 PCB Layout ...................................................................................................................... 10
5. PIN DESCRIPTION.................................................................................................................. 11
6. PACKAGE DIMENSIONS........................................................................................................ 13
LIST OF FIGURES
Figure 1. Serial Port Timing............................................................................................................. 6
Figure 2. Typical Connection Diagram............................................................................................ 7
Figure 3. Serial Port Data Transfer ................................................................................................. 8
Figure 4. Close-up of One Frame.................................................................................................... 9
Figure 5. Generating VA- with a Charge Pump............................................................................. 10
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
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
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