AD7739BRUZ datasheet, PDF - EEWORLD Datasheet

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AD7739BRUZ: Description8-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24, ROHS COMPLIANT, MS-153AD, TSSOP-24; CategoryAnalog mixed-signal IC converter; File Size1MB，33 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/; Environmental Compliance

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AD7739BRUZ Overview

8-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24, ROHS COMPLIANT, MS-153AD, TSSOP-24

AD7739BRUZ Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Rochester Electronics
Parts packaging code	TSSOP
package instruction	TSSOP,
Contacts	24
Reach Compliance Code	unknown
Maximum analog input voltage	2.5 V
Minimum analog input voltage	-2.5 V
Converter type	ADC, DELTA-SIGMA
JESD-30 code	R-PDSO-G24
JESD-609 code	e3
length	7.8 mm
Maximum linear error (EL)	0.0015%
Humidity sensitivity level	1
Number of analog input channels	8
Number of digits	24
Number of functions	1
Number of terminals	24
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Sampling rate	0.01184 MHz
Maximum seat height	1.2 mm
Nominal supply voltage	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	4.4 mm
Base Number Matches	1

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AD7739

TABLE OF CONTENTS

AD7739—Specifications.................................................................. 3

Timing Specifications....................................................................... 6

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

Typical Performance Characteristics ............................................. 9

Output Noise and Resolution Specification................................ 10

Chopping Enabled...................................................................... 10

Chopping Disabled..................................................................... 11

Pin Configuration and Function Descriptions........................... 12

Communications Register......................................................... 15

I/O Port Register......................................................................... 16

Revision Register ........................................................................ 16

Test Register ................................................................................ 16

ADC Status Register................................................................... 17

Checksum Register..................................................................... 17

ADC Zero-Scale Calibration Register ..................................... 17

ADC Full-Scale Calibration Register....................................... 17

Channel Data Registers ............................................................. 17

Channel Zero-Scale Calibration Registers .............................. 18

Channel Full-Scale Calibration Registers................................ 18

Channel Status Registers ........................................................... 18

Channel Setup Registers ............................................................ 19

Channel Conversion Time Registers ....................................... 20

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

Digital Interface Description ........................................................ 22

Hardware ..................................................................................... 22

Reset ............................................................................................. 23

Access the AD7739 Registers.................................................... 23

Single Conversion and Reading Data ...................................... 23

Dump Mode................................................................................ 23

Continuous Conversion Mode ................................................. 24

Continuous Read (Continuous Conversion) Mode .............. 25

Circuit Description......................................................................... 26

Analog Inputs.............................................................................. 26

Sigma-Delta ADC....................................................................... 26

Chopping ..................................................................................... 26

Multiplexer, Conversion, and Data Output Timing............... 27

Frequency Response .................................................................. 28

Analog Input’s Extended Voltage Range ................................. 29

Voltage Reference Inputs........................................................... 29

Reference Detect......................................................................... 29

I/O Port........................................................................................ 29

Calibration................................................................................... 30

ADC Zero-Scale Self-Calibration ........................................ 30

ADC Full-Scale Self-Calibration.......................................... 30

Per Channel System Calibration .......................................... 30

Outline Dimensions ....................................................................... 32

ESD Caution................................................................................ 32

Ordering Guide .......................................................................... 32

REVISION HISTORY

Revision 0: Initial Version

Rev. 0 | Page 2 of 32

AD7739BRUZ Related Products

	AD7739BRUZ	AD7739BRU
Description	8-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24, ROHS COMPLIANT, MS-153AD, TSSOP-24	8-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24, MS-153AD, TSSOP-24
Is it lead-free?	Lead free	Contains lead
Is it Rohs certified?	conform to	incompatible
Maker	Rochester Electronics	Rochester Electronics
Parts packaging code	TSSOP	TSSOP
package instruction	TSSOP,	TSSOP,
Contacts	24	24
Reach Compliance Code	unknown	unknown
Maximum analog input voltage	2.5 V	2.5 V
Minimum analog input voltage	-2.5 V	-2.5 V
Converter type	ADC, DELTA-SIGMA	ADC, DELTA-SIGMA
JESD-30 code	R-PDSO-G24	R-PDSO-G24
JESD-609 code	e3	e0
length	7.8 mm	7.8 mm
Maximum linear error (EL)	0.0015%	0.0015%
Humidity sensitivity level	1	1
Number of analog input channels	8	8
Number of digits	24	24
Number of functions	1	1
Number of terminals	24	24
Maximum operating temperature	105 °C	105 °C
Minimum operating temperature	-40 °C	-40 °C
Output bit code	BINARY	BINARY
Output format	SERIAL	SERIAL
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	240
Sampling rate	0.01184 MHz	0.01184 MHz
Maximum seat height	1.2 mm	1.2 mm
Nominal supply voltage	5 V	5 V
surface mount	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal surface	MATTE TIN	TIN LEAD
Terminal form	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	40	30
width	4.4 mm	4.4 mm
Base Number Matches	1	1

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