AD7988-1 Analog Devices, AD7988-1 Datasheet - Page 2

• Manufacturer Part Number: AD7988-1
• Description: 16-Bit, 100ksps, Ultra Low Power 16-Bit SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7988-1

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 100kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,5V p-p,Uni (Vref),Uni 5.0V
• Pkg Type: SOP

AD7988-1/AD7988-5
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Typical Application Diagram .......................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 7
Pin Configurations and Function Descriptions ........................... 8
Terminology ...................................................................................... 9
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 14
REVISION HISTORY
2/12—Rev. 0 to Rev. A
Added LFCSP Thermal Impedance Values ................................... 7
Updated Outline Dimensions ....................................................... 23
Changes to Ordering Guide .......................................................... 23
2/12—Revision 0: Initial Version
Timing Specifications .................................................................. 5
ESD Caution .................................................................................. 7
Circuit Information .................................................................... 14
Converter Operation .................................................................. 14
Typical Connection Diagram.................................................... 15
Rev. A | Page 2 of 24
Applications Information .............................................................. 21
Outline Dimensions ....................................................................... 22
Analog Inputs.............................................................................. 16
Driver Amplifier Choice ........................................................... 16
Voltage Reference Input ............................................................ 17
Power Supply ............................................................................... 17
Digital Interface .......................................................................... 17
CS Mode, 3-Wire ........................................................................ 18
CS Mode 4-Wire ......................................................................... 19
Chain Mode ................................................................................ 20
Interfacing to Blackfin® DSP ..................................................... 21
Layout .......................................................................................... 21
Evaluating the Performance of the AD7988-x ........................ 21
Ordering Guide .......................................................................... 23
Data Sheet