AD7739BRU Analog Devices Inc, AD7739BRU Datasheet - Page 2

• Manufacturer Part Number: AD7739BRU
• Description: IC ADC 24BIT 8-CH 24-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7739BRU

• Rohs Status: RoHS non-compliant
• Number Of Bits: 24
• Sampling Rate (per Second): 15.1k
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 100mW
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP (0.173", 4.40mm Width)
• For Use With: EVAL-AD7739EBZ - BOARD EVAL FOR AD7739

AD7739
TABLE OF CONTENTS
AD7739—Specifications.................................................................. 3
Timing Specifications....................................................................... 6
Absolute Maximum Ratings............................................................ 8
Typical Performance Characteristics ............................................. 9
Output Noise and Resolution Specification................................ 10
Pin Configuration and Function Descriptions........................... 12
Register Descriptions ..................................................................... 14
REVISION HISTORY
Revision 0: Initial Version
Chopping Enabled...................................................................... 10
Chopping Disabled..................................................................... 11
Register Access............................................................................ 15
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
Rev. 0 | Page 2 of 32
Digital Interface Description ........................................................ 22
Circuit Description......................................................................... 26
Outline Dimensions ....................................................................... 32
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
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
ESD Caution................................................................................ 32
Ordering Guide .......................................................................... 32
ADC Zero-Scale Self-Calibration ........................................ 30
ADC Full-Scale Self-Calibration.......................................... 30
Per Channel System Calibration .......................................... 30