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CS5331A

8-Pin, Stereo A/D Converter for Digital Audio

Cirrus Logic 

CS5330A/31A

TABLE OF CONTENTS

1. PIN DESCRIPTIONS ................................................................................................................ 3

2. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 4

SPECIFIED OPERATING CONDITIONS ................................................................................. 4

ABSOLUTE MAXIMUM RATINGS ........................................................................................... 4

ANALOG INPUT CHARACTERISTICS .................................................................................... 5

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

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

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

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

3.1 System Design .................................................................................................................. 9

3.1.1 Master Clock ......................................................................................................... 9

3.1.2 Serial Data Interface ............................................................................................ 9

3.1.3 Master Mode ......................................................................................................... 9

3.1.4 Slave Mode ......................................................................................................... 10

3.1.5 CS5330A ............................................................................................................. 10

3.1.6 CS5331A ............................................................................................................. 10

3.1.7 Analog Connections ............................................................................................ 11

3.1.8 High-Pass Filter .................................................................................................. 11

3.1.9 Initialization and Power-Down ............................................................................. 11

3.1.10 Grounding and Power Supply Decoupling ........................................................ 12

3.1.11 Digital Filter ....................................................................................................... 13

4. PARAMETER DEFINITIONS .................................................................................................. 14

5. REFERENCES ........................................................................................................................ 15

6. PACKAGE DESCRIPTIONS .................................................................................................. 15

7. ORDERING INFORMATION ................................................................................................. 16

8. REVISION HISTORY .............................................................................................................. 16

LIST OF FIGURES

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Typical Connection Diagram......................................................................................... 8

Data Output Timing-CS5330A .................................................................................... 10

Data Output Timing - CS5331A (I²S Compatible) ....................................................... 10

CS5330A/31A Initialization and Power-Down Sequence............................................ 12

CS5330A/31A Digital Filter Stopband Rejection......................................................... 13

CS5330A/31A Digital Filter Transition Band ............................................................... 13

CS5330A/31A Digital Filter Passband Ripple ............................................................. 13

CS5330A/31A Digital Filter Transition Band ............................................................... 13

LIST OF TABLES

Table 1. Common Clock Frequencies......................................................................................... 9

2

DS138F5

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