AD7980 Analog Devices, AD7980 Datasheet - Page 2

• Manufacturer Part Number: AD7980
• Manufacturer: Analog Devices

Specifications of AD7980

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: CSP,SOP

AD7980
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Application Diagram Example........................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications ....................................................................... 5
Absolute Maximum Ratings ............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Terminology ...................................................................................... 8
Typical Performance Characteristics ............................................. 9
Theory of Operation ...................................................................... 13
REVISION HISTORY
6/09—Rev. A to Rev. B
Changes to Table 5 ............................................................................ 6
Changes to Figure 25 ...................................................................... 13
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 25
9/08—Rev. 0 to Rev. A
Delete QFN Endnote ..................................................... Throughout
Changes to Ordering Guide .......................................................... 24
8/07—Revision 0: Initial Version
ESD Caution .................................................................................. 6
Circuit Information .................................................................... 13
Converter Operation .................................................................. 13
Typical Connection Diagram ................................................... 14
Analog Input ............................................................................... 15
Rev. B | Page 2 of 28
Application Hints ........................................................................... 23
Outline Dimensions ....................................................................... 24
Driver Amplifier Choice ........................................................... 15
Voltage Reference Input ............................................................ 16
Power Supply ............................................................................... 16
Digital Interface .......................................................................... 16
CS Mode, 3-Wire, Without Busy Indicator ............................ 17
CS Mode 3-Wire with Busy Indicator ..................................... 18
CS Mode 4-Wire, Without Busy Indicator ............................. 19
CS Mode 4-Wire with Busy Indicator ..................................... 20
Chain Mode, Without Busy Indicator ..................................... 21
Chain Mode with Busy Indicator ............................................. 22
Layout .......................................................................................... 23
Evaluating the Performance of the AD7980 ............................... 23
Ordering Guide .......................................................................... 25