AD7195BCPZ-RL7 datasheet(3/45 Pages) AD

부품명	AD7195BCPZ-RL7

상세설명	Sigma-Delta ADC with PGA and AC Excitation

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3 / 45 page

AD7195

Data Sheet

Rev. A | Page 2 of 44

TABLE OF CONTENTS

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

Interface ............................................................................................. 1

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

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

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

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

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

Timing Characteristics ................................................................ 6

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

RMS Noise and Resolution............................................................ 13

Sinc4 Chop Disabled................................................................... 13

Sinc3 Chop Disabled................................................................... 14

Sinc4 Chop Enabled.................................................................... 15

Sinc3 Chop Enabled.................................................................... 16

On-Chip Registers.......................................................................... 17

Communications Register......................................................... 18

Status Register............................................................................. 19

Mode Register ............................................................................. 19

Configuration Register .............................................................. 21

Data Register............................................................................... 23

ID Register................................................................................... 23

GPOCON Register..................................................................... 23

Offset Register............................................................................. 24

Full-Scale Register...................................................................... 24

ADC Circuit Information.............................................................. 25

Overview ..................................................................................... 25

Analog Input Channel ............................................................... 26

PGA.............................................................................................. 26

Reference ..................................................................................... 26

Reference Detect......................................................................... 26

Bipolar/Unipolar Configuration .............................................. 27

Data Output Coding .................................................................. 27

Burnout Currents ....................................................................... 27

AC Excitation.............................................................................. 27

Channel Sequencer .................................................................... 28

Digital Interface.......................................................................... 28

Reset............................................................................................. 32

System Synchronization ............................................................ 32

Clock ............................................................................................ 32

Enable Parity ............................................................................... 32

Temperature Sensor ................................................................... 32

Bridge Power-Down Switch...................................................... 33

Calibration................................................................................... 33

Digital Filter ................................................................................ 34

Sinc4 Filter (Chop Disabled) ..................................................... 34

Sinc3 Filter (Chop Disabled) ..................................................... 36

Chop Enabled (Sinc4 Filter) ...................................................... 38

Chop Enabled (Sinc3 Filter) ...................................................... 40

Summary of Filter Options ....................................................... 41

Grounding and Layout .............................................................. 42

Applications Information .............................................................. 43

Weigh Scales................................................................................ 43

Outline Dimensions....................................................................... 44

Ordering Guide .......................................................................... 44

REVISION HISTORY

7/2017—Rev. A to Rev. B

Changed CP-32-11 to CP-32-12 .................................. Throughout

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

Updated Outline Dimensions....................................................... 44

Changes to Ordering Guide .......................................................... 44

1/2010—Revision 0: Initial Version

유사한 부품 번호 - AD7195BCPZ-RL7

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD7195BCPZ-RL7	662Kb / 44P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation REV. 0
Analog Devices	AD7195BCPZ-RL7	546Kb / 45P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation

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유사한 설명 - AD7195BCPZ-RL7

제조업체	부품명	데이터시트	상세설명
Analog Devices	AD7192	559Kb / 41P	Sigma-Delta ADC with PGA
	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
	AD7193	1Mb / 57P	24-Bit Sigma-Delta ADC with PGA
	AD7194	1Mb / 55P	24-Bit Sigma-Delta ADC with PGA
	AD7190	749Kb / 40P	4.8 kHz Ultralow Noise 24-Bit Sigma-Delta ADC with PGA REV. 0
	AD7192	711Kb / 40P	4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA REV. A
Maxim Integrated Produc...	MAX11410A	1Mb / 95P	24-Bit, Multichannel, Low-Power 1.9ksps Delta-Sigma ADC with PGA Rev 0; 10/20
Maxim Integrated Produc...	MAX11270	1Mb / 47P	24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA 2015
Analog Devices	AD7190	178Kb / 21P	4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA Rev.PrD 7/08

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