AD7694 Analog Devices, AD7694 Datasheet - Page 2

• Manufacturer Part Number: AD7694
• Manufacturer: Analog Devices

Specifications of AD7694

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 250kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: SOP

AD7694
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Application Diagram........................................................................ 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Descriptions............................. 7
Terminology ...................................................................................... 8
Typical Performance Characteristics ............................................. 9
Application Information................................................................ 12
REVISION HISTORY
5/05—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Digital Interface Section............................................ 14
Changes to Figure 25...................................................................... 15
Changes to Evaluating the AD7694’s Performance Section...... 15
7/04—Revision 0: Initial Version
ESD Caution.................................................................................. 6
Circuit Information.................................................................... 12
Rev. A | Page 2 of 16
Outline Dimensions ....................................................................... 16
Converter Operation.................................................................. 12
Transfer Functions ..................................................................... 12
Typical Connection Diagram ................................................... 13
Analog Input ............................................................................... 13
Driver Amplifier Choice ........................................................... 13
Voltage Reference Input ............................................................ 14
Power Supply............................................................................... 14
Supplying the ADC from the Reference.................................. 14
Digital Interface.......................................................................... 15
Layout .......................................................................................... 15
Evaluating the AD7694’s Performance.................................... 15
Ordering Guide .......................................................................... 16