AD7190WBRUZ-RL datasheet(3/41 Pages) AD

номер детали	AD7190WBRUZ-RL

подробное описание детали	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC

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AD7190

Data Sheet

Rev. C | Page 2 of 40

TABLE OF CONTENTS

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

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

General Description ......................................................................... 1

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

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Timing Characteristics ................................................................ 7

Circuit and Timing Diagrams..................................................... 7

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 12

RMS Noise and Resolution............................................................ 15

Sinc4 Chop Disabled................................................................... 15

Sinc3 Chop Disabled................................................................... 16

Sinc4 Chop Enabled.................................................................... 17

Sinc3 Chop Enabled.................................................................... 18

On-Chip Registers .......................................................................... 19

Communications Register......................................................... 19

Status Register ............................................................................. 20

Mode Register ............................................................................. 20

Configuration Register .............................................................. 22

Data Register ............................................................................... 24

ID Register................................................................................... 24

GPOCON Register ..................................................................... 24

Offset Register............................................................................. 25

Full-Scale Register...................................................................... 25

ADC Circuit Information.............................................................. 26

Overview ..................................................................................... 26

Filter, Output Data Rate, Settling Time................................... 26

Digital Interface.......................................................................... 29

Circuit Description......................................................................... 33

Analog Input Channel ............................................................... 33

PGA.............................................................................................. 33

Bipolar/Unipolar Configuration .............................................. 33

Data Output Coding .................................................................. 33

Clock ............................................................................................ 33

Burnout Currents ....................................................................... 34

Reference ..................................................................................... 34

Reference Detect......................................................................... 34

Reset ............................................................................................. 34

System Synchronization ............................................................ 35

Temperature Sensor ................................................................... 35

Bridge Power-Down Switch...................................................... 35

Logic Outputs ............................................................................. 35

Enable Parity ............................................................................... 36

Calibration................................................................................... 36

Grounding and Layout .............................................................. 37

Applications Information .............................................................. 38

Weigh Scales................................................................................ 38

Outline Dimensions ....................................................................... 39

Ordering Guide .......................................................................... 39

Automotive Products ................................................................. 39

REVISION HISTORY

2/13—Rev. B to Rev. C

Added Automotive Information (Throughout) ........................... 1

Added Automotive Specifications, Table 1.................................... 3

Changes to Ordering Guide .......................................................... 39

5/09—Rev. A to Rev. B

Changes to Table 3............................................................................ 9

5/09—Rev. 0 to Rev. A

Changes to Table 1............................................................................ 3

Changes to Table 3 and Table 4....................................................... 9

Changes to Table 5.......................................................................... 10

Changes to Table 6 and Table 7..................................................... 15

Changes to Status Register Section .............................................. 20

Changes to Table 17........................................................................ 21

Changes to Table 19........................................................................ 23

Changes to Table 20 ....................................................................... 24

Added ID Register Section............................................................ 24

Changes to Table 21 ....................................................................... 25

Changes to Filter, Output Data Rate, Settling Time Section .... 26

Changes to Continuous Conversion Mode Section................... 31

Changes to Analog Input Channel and Bipolar/Unipolar

Configuration Sections .................................................................. 33

Changes to Burnout Currents, Reference, Reference Detect, and

Reset Sections.................................................................................. 34

Changes to Temperature Sensor Section..................................... 35

Changes to Calibration Section .................................................... 36

Changes to Grounding and Layout Section................................ 37

Changes to Weigh Scales Section ................................................. 38

Changes to Ordering Guide .......................................................... 39

10/08—Revision 0—Initial Version

Аналогичный номер детали - AD7190WBRUZ-RL

производитель	номер детали	датащи	подробное описание детали
Analog Devices	AD7190	178Kb / 21P	4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA Rev.PrD 7/08
	AD7190BRUZ	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7190BRUZ-REEL	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7190	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0

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Аналогичное описание - AD7190WBRUZ-RL

производитель	номер детали	датащи	подробное описание детали
Analog Devices	AD7192	711Kb / 40P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. A
	AD7190	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7193	767Kb / 56P	4-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. A
	AD7194	1,002Kb / 56P	8-Channel, 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7195	546Kb / 45P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
	AD7195	662Kb / 44P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation REV. 0
	AD7190	178Kb / 21P	4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA Rev.PrD 7/08
Intersil Corporation	ISL26102AVZ	909Kb / 21P	Low-Noise 24-bit Delta Sigma ADC October 12, 2012
Renesas Technology Corp	ISL26132	1Mb / 23P	Low-Noise 24-bit Delta Sigma ADC
Intersil Corporation	ISL26102	911Kb / 21P	Low-Noise 24-bit Delta Sigma ADC

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