AD7951 Analog Devices, AD7951 Datasheet - Page 2

• Manufacturer Part Number: AD7951
• Manufacturer: Analog Devices

Specifications of AD7951

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Byte,Par,Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni
• Ain Range: Bip 10V,Bip 5.0V,Uni 10V,Uni 5.0V
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7951
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 17
REVISION HISTORY
10/06—Revision 0: Initial Version
Timing Specifications .................................................................. 5
ESD Caution.................................................................................. 7
Overview...................................................................................... 17
Converter Operation.................................................................. 17
Modes of Operation ................................................................... 18
Transfer Functions...................................................................... 18
Typical Connection Diagram ................................................... 19
Analog Inputs.............................................................................. 20
Rev. 0 | Page 2 of 32
Interfaces.......................................................................................... 24
Application Information................................................................ 31
Outline Dimensions ....................................................................... 32
Driver Amplifier Choice ........................................................... 21
Voltage Reference Input/Output .............................................. 21
Power Supplies............................................................................ 22
Conversion Control ................................................................... 23
Digital Interface.......................................................................... 24
Parallel Interface......................................................................... 24
Serial Interface ............................................................................ 25
Master Serial Interface............................................................... 25
Slave Serial Interface .................................................................. 27
Hardware Configuration ........................................................... 29
Software Configuration ............................................................. 29
Microprocessor Interfacing....................................................... 30
Layout Guidelines....................................................................... 31
Evaluating Performance ............................................................ 31
Ordering Guide .......................................................................... 32