CS5529

2

DS246F1

TABLE OF CONTENTS

TABLE OF CONTENTS ....................................................................................... 2

TABLE OF FIGURES .......................................................................................... 3

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

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

5 V 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

Power Supply Arrangements .................................................................... 23

PCB Layout .............................................................................................. 24

PIN DESCRIPTIONS ......................................................................................... 25

Clock Generator......................................................................................... 25

Control Pins and Serial Data I/O................................................................ 25

Measurement and Reference Inputs ......................................................... 26

Power Supply Connections........................................................................ 26

SPECIFICATION DEFINITIONS ........................................................................ 27

ORDERING GUIDE ............................................................................................ 27

PACKAGE DIMENSIONS ................................................................................. 28