ad7688brm Analog Devices, Inc., ad7688brm Datasheet - Page 2

• Manufacturer Part Number: ad7688brm
• Description: 16-bit, 1.5 Lsb Inl, 500 Ksps Pulsar? Differential Adc In Msop/qfn
• Manufacturer: Analog Devices, Inc.

AD7688
TABLE OF CONTENTS
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Terminology ...................................................................................... 8
Typical Performance Characteristics ............................................. 9
REVISION HISTORY
4/05—Revision 0: Initial Version
ESD Caution.................................................................................. 6
Circuit Information.................................................................... 12
Converter Operation.................................................................. 12
Typical Connection Diagram ................................................... 13
Analog Input ............................................................................... 14
Driver Amplifier Choice............................................................ 15
Single-to-Differential Driver..................................................... 15
Voltage Reference Input............................................................. 15
Rev 0 | Page 2 of 28
Application Hints ........................................................................... 23
Outline Dimensions ....................................................................... 24
Power Supply............................................................................... 15
Supplying the ADC from the Reference.................................. 16
Digital Interface.......................................................................... 16
CS MODE 3-Wire, No BUSY Indicator .................................. 17
CS Mode 3-Wire with BUSY Indicator ................................... 18
CS Mode 4-Wire, No BUSY Indicator..................................... 19
CS Mode 4-Wire with BUSY Indicator ................................... 20
Chain Mode, No BUSY Indicator ............................................ 21
Chain Mode with BUSY Indicator........................................... 22
Layout .......................................................................................... 23
Evaluating the AD7688’s Performance.................................... 23
Ordering Guide .......................................................................... 25