AD7622 Analog Devices, AD7622 Datasheet - Page 2
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AD7622
Manufacturer Part Number
AD7622
Description
Manufacturer
Analog Devices
Datasheet
1.AD7622.pdf
(28 pages)
Specifications of AD7622
Resolution (bits)
16bit
# Chan
1
Sample Rate
2MSPS
Interface
Byte,Par,Ser,SPI
Analog Input Type
Diff-Uni
Ain Range
(2Vref) p-p
Adc Architecture
SAR
Pkg Type
CSP,QFP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD7622AST
Manufacturer:
ADI
Quantity:
260
Company:
Part Number:
AD7622BSTZ
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Company:
Part Number:
AD7622BSTZRL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
AD7622
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 12
Applications Information .............................................................. 15
Typical Connection Diagram........................................................ 17
REVISION HISTORY
6/06—Revision 0: Initial Version
ESD Caution.................................................................................. 7
Circuit Information.................................................................... 15
Converter Operation.................................................................. 15
Modes of Operation ................................................................... 15
Transfer Functions...................................................................... 16
Analog Inputs.............................................................................. 17
Rev. 0 | Page 2 of 28
Interfaces.......................................................................................... 21
Application Hints ........................................................................... 27
Outline Dimensions ....................................................................... 28
Multiplexed Inputs ..................................................................... 17
Driver Amplifier Choice ........................................................... 18
Voltage Reference Input ............................................................ 19
Power Supply............................................................................... 20
Conversion Control ................................................................... 20
Digital Interface.......................................................................... 21
Parallel Interface......................................................................... 21
Serial interface ............................................................................ 22
Master Serial Interface............................................................... 22
Slave Serial Interface .................................................................. 24
Microprocessor Interfacing....................................................... 26
Layout .......................................................................................... 27
Evaluating the AD7622 Performance ...................................... 27
Ordering Guide .......................................................................... 28