AD7674 Analog Devices, AD7674 Datasheet - Page 2

• Manufacturer Part Number: AD7674
• Description: 18-Bit, 2.5 LSB INL, 800 kSPS SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7674

• Resolution (bits): 18bit
• # Chan: 1
• Sample Rate: 800kSPS
• Interface: Byte,Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7674
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Table of Contents .............................................................................. 2
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications ....................................................................... 5
Absolute Maximum Ratings ............................................................ 7
Pin Configuration and Function Descriptions ............................. 8
Definitions of Specifications ......................................................... 11
Typical Performance Characteristics ........................................... 12
Circuit Information ........................................................................ 16
REVISION HISTORY
6/09—Rev. 0 to Rev. A
Changes to Zero Error, T
Changes to Gain Error, T
Changes to Endnote 3 ...................................................................... 4
Changes to Pin Configuration Section .......................................... 8
Changes to Evaluating the AD7679’s Performance Section ...... 25
Changes to Ordering Guide .......................................................... 26
7/03—Revision 0: Initial Version
ESD Caution .................................................................................. 7
MIN
MIN
to T
to T
MAX
MAX
Parameter ........................... 3
Parameter ........................... 3
Rev. A | Page 2 of 28
Application Hints ........................................................................... 25
Outline Dimensions ....................................................................... 26
Converter Operation .................................................................. 16
Typical Connection Diagram ................................................... 18
Power Dissipation versus Throughput .................................... 20
Conversion Control ................................................................... 20
Digital Interface .......................................................................... 20
Parallel Interface ......................................................................... 21
Serial Interface ............................................................................ 21
Master Serial Interface ............................................................... 21
Slave Serial Interface .................................................................. 22
Microprocessor Interfacing ....................................................... 24
Layout .......................................................................................... 25
Evaluating the AD7674’s Performance .................................... 25
Ordering Guide .......................................................................... 26