AD7622 Analog Devices, AD7622 Datasheet - Page 2

• Manufacturer Part Number: AD7622
• Manufacturer: Analog Devices

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

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