AD7380/AD7381
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Resolution Boost ........................................................................ 19
Alert ............................................................................................. 19
Power Modes............................................................................... 20
Internal and External Reference............................................... 20
Software Reset............................................................................. 20
Diagnostic Self-Test ................................................................... 20
Interface ........................................................................................... 21
Reading Conversion Results ..................................................... 21
Low Latency Readback.............................................................. 22
Reading from Device Registers ................................................ 23
Writing to Device Registers ...................................................... 23
CRC.............................................................................................. 24
Registers........................................................................................... 27
Addressing Registers.................................................................. 27
CONFIGURATION1 Register ................................................. 28
CONFIGURATION2 Register ................................................. 29
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications .................................................................. 6
Absolute Maximum Ratings............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 13
Theory of Operation ...................................................................... 14
Circuit Information.................................................................... 14
Converter Operation.................................................................. 14
Analog Input Structure.............................................................. 14
ADC Transfer Function............................................................. 15
Applications Information .............................................................. 16
Power Supply............................................................................... 16
Modes of Operation ....................................................................... 17
Oversampling.............................................................................. 17
ALERT
Register.......................................................................... 29
ALERT_LOW_THRESHOLD Register .................................. 30
ALERT_HIGH_THRESHOLD Register................................. 30
Outline Dimensions....................................................................... 31
Ordering Guide .......................................................................... 31
REVISION HISTORY
1/2019—Revision 0: Initial Version
Rev. 0 | Page 2 of 31
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