AD7693 Analog Devices, AD7693 Datasheet - Page 2

• Manufacturer Part Number: AD7693
• Manufacturer: Analog Devices

Specifications of AD7693

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 500kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p,Bip (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: CSP,SOP

AD7693
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Application Diagram........................................................................ 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 ...................................................................... 12
REVISION HISTORY
6/11—Rev. 0 to Rev. A
Changes to Resolution Parameter and Common-Mode Input
Range Parameter in Table 2............................................................. 3
Changes to Figure 6 and Table 6..................................................... 7
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 24
12/06—Revision 0: Initial Version
ESD Caution.................................................................................. 6
Circuit Information.................................................................... 12
Converter Operation.................................................................. 12
Typical Connection Diagram ................................................... 13
Analog Inputs.............................................................................. 14
Rev. A | Page 2 of 24
Application Hints ........................................................................... 23
Outline Dimensions ....................................................................... 24
Driver Amplifier Choice ........................................................... 14
Single-Ended-to-Differential Driver ....................................... 15
Voltage Reference Input ............................................................ 15
Power Supply............................................................................... 15
Supplying the ADC from the Reference.................................. 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 AD7693 Performance............................................. 23
Ordering Guide .......................................................................... 24