EVAL-AD7686CB Analog Devices Inc, EVAL-AD7686CB Datasheet - Page 2

• Manufacturer Part Number: EVAL-AD7686CB
• Description: BOARD EVALUATION FOR AD7686
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of EVAL-AD7686CB

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 500k
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Input Range: ±VREF
• Power (typ) @ Conditions: 15mW @ 500kSPS, 5 V
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7686
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7686
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block 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
3/07—Rev. A to Rev. B
Changes to Features and Table 1 .................................................... 1
Changes to Table 3............................................................................ 4
Moved Figure 3 and Figure 4 to Page............................................. 5
Changes to Figure 13 and Figure 15............................................. 10
Changes to Figure 26...................................................................... 13
Changes to Table 8.......................................................................... 15
Changes to Figure 31...................................................................... 16
Changes to Figure 42...................................................................... 21
Changes to Figure 44...................................................................... 22
Updated Outline Dimensions ....................................................... 25
Changes to Ordering Guide .......................................................... 26
ESD Caution.................................................................................. 6
Circuit Information.................................................................... 12
Converter Operation.................................................................. 12
Typical Connection Diagram ................................................... 13
Analog Input ............................................................................... 14
Rev. B | Page 2 of 28
Application Hints ........................................................................... 23
Outline Dimensions ....................................................................... 25
4/06—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Updated Outline Dimensions....................................................... 25
Changes to Ordering Guide .......................................................... 26
4/05—Revision 0: Initial Version
Driver Amplifier Choice ........................................................... 15
Voltage Reference Input ............................................................ 15
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 Performance ............................................................ 23
True 16-Bit Isolated Application Example .............................. 24
Ordering Guide .......................................................................... 26