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Cirrus Logic CS5529 User Manual

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CS5529

2

DS246F5

TABLE OF CONTENTS

CHARACTERISTICS & SPECIFICATIONS ........................................................ 4

ANALOG CHARACTERISTICS................................................................... 4
ANALOG CHARACTERISTICS................................................................... 5
5V DIGITAL CHARACTERISTICS .............................................................. 6
3 V DIGITAL CHARACTERISTICS ............................................................. 6
DYNAMIC CHARACTERISTICS ................................................................. 6
ABSOLUTE MAXIMUM RATINGS .............................................................. 7
SWITCHING CHARACTERISTICS ............................................................. 8

GENERAL DESCRIPTION ................................................................................ 10

Analog Input ............................................................................................. 10

Analog Input Model ............................................................................ 10
Voltage Reference Input Model .......................................................... 10

Serial Port ................................................................................................. 11

Command Register Descriptions ........................................................ 12
Serial Port Interface ........................................................................... 13
Serial Port Initialization ....................................................................... 15
System Initialization ........................................................................... 15

Configuration Register .............................................................................. 15

Latch Output Pins ............................................................................... 15
Power Consumption ........................................................................... 15
Output Word Rate .............................................................................. 16
Digital Filter ........................................................................................ 16
Clock Generator ................................................................................. 16
Reset System ..................................................................................... 16
Port Flag ............................................................................................. 17
Calibration .......................................................................................... 17

Calibration Registers ................................................................... 17

Offset Register ...................................................................... 17
Gain Register ........................................................................ 18

Self Calibration ............................................................................ 18
System Calibration ....................................................................... 18
Limitations in Calibration Range .................................................. 19
Calibration Tips ............................................................................ 19

Configuration Register Descriptions ................................................. 20

Performing Conversions ........................................................................... 21

Performing Conversions with PF bit = 0 ............................................. 21
Performing Conversions with PF bit = 1 ............................................. 21

Single Conversion ........................................................................ 21
Continuous Conversions .............................................................. 21

Output Coding .................................................................................... 22

............................................................................................................ 22

Power Supply Arrangements .................................................................... 23
Getting Started ......................................................................................... 25
PCB Layout .............................................................................................. 25

PIN DESCRIPTIONS ......................................................................................... 26
SPECIFICATION DEFINITIONS ........................................................................ 28
ORDERING INFORMATION .............................................................................. 29
ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION ...... 29
PACKAGE DIMENSIONS ................................................................................. 30