AD4134 datasheet(2/92 Pages) AD

2 / 92 page

Data Sheet

AD4134

TABLE OF CONTENTS

analog.com

Rev. 0 | 2 of 92

Features................................................................ 1

Applications........................................................... 1

Functional Block Diagram......................................1

General Description...............................................3

Specifications........................................................ 4

Timing Specifications....................................... 10

Absolute Maximum Ratings.................................13

Thermal Resistance......................................... 13

ESD Caution.....................................................13

Pin Configuration and Function Descriptions...... 14

Typical Performance Characteristics................... 18

Terminology......................................................... 27

Theory of Operation.............................................29

Continuous Time Sigma-Delta Modulator........ 29

Easy to Drive Input and Reference ................. 29

Inherent Antialiasing Filter (AAF)..................... 30

Analog Front-End Design Simplification...........31

Noise Performance and Resolution.....................32

Circuit Information............................................... 36

Core Signal Chain............................................ 36

Analog Inputs................................................... 36

VCM Output......................................................36

Reference Input................................................37

Clock Input....................................................... 37

XCLKOUT Output.............................................37

Power Options..................................................38

Reset................................................................38

Asynchronous Sample Rate Converter............ 38

Digital Filters.....................................................41

Quick Start Guide................................................ 44

Standalone Mode............................................. 45

Low Latency Synchronous Data Acquisition.... 45

Device Control..................................................... 46

Pin Control Mode..............................................46

SPI Control Mode.............................................47

Multifunction Pins............................................. 47

Device Configuration........................................... 48

Programming Output Data Rate and Clock......48

Programming Digital Filter................................52

Programming Data Interface............................ 53

Power Modes................................................... 55

Inherent Antialiasing Filter Modes.................... 55

Dynamic Range Enhancement, Channel

Averaging...........................................................56

Calibration........................................................... 57

Offset Calibration..............................................57

Gain Calibration................................................57

Applications Information...................................... 58

Power Supply................................................... 58

Reference Noise Filtering.................................59

Multidevice Synchronization.............................60

Coherent Sampling...........................................60

Low Latency Digital Control Loop.....................60

Automatic Gain Control.................................... 60

Front-End Design Examples............................ 61

Digital Interface....................................................63

SPI....................................................................63

Data Interface...................................................65

Minimum I/O Mode........................................... 69

Diagnostics.......................................................... 70

Internal Fuse Integrity Check........................... 70

Analog Input Overrange................................... 71

MCLK Counter..................................................71

SPI Monitoring..................................................71

Memory Map Integrity Check........................... 71

ODR Input Frequency Check........................... 71

Digital Filter Overflow and Underflow............... 72

DCLK Error.......................................................72

GPIO Functionality.............................................. 73

Pin Error Reporting...........................................73

Outline Dimensions............................................. 92

Ordering Guide.................................................92

Evaluation Boards............................................ 92

REVISION HISTORY

11/2021—Revision 0: Initial Version

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