CS5321/22

2

DS454F3

TABLE OF CONTENTS

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

CS5321 ANALOG CHARACTERISTICS .................................................... 4

CS5321 SWITCHING CHARACTERISTICS .............................................. 6

CS5321 DIGITAL CHARACTERISTICS ..................................................... 7

CS5321 RECOMMENDED OPERATION CONDITIONS ........................... 7

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 ..................................................................... 24

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

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

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

3. CS5321 PIN DESCRIPTIONS ....................................................................... 29

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

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

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

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

4. CS5322 PIN DESCRIPTIONS ....................................................................... 31

Power Supplies ......................................................................................... 31

Digital Outputs .......................................................................................... 31

Digital Inputs ............................................................................................. 32

5. PARAMETER DEFINITIONS ......................................................................... 34

6. PACKAGE DIMENSIONS.............................................................................. 35

7. ORDERING INFORMATION ......................................................................... 36

8. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION ... 36

9. REVISION HISTORY .................................................................................... 36