EVAL-AD7685SDZ Analog Devices, EVAL-AD7685SDZ Datasheet - Page 2
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EVAL-AD7685SDZ
Manufacturer Part Number
EVAL-AD7685SDZ
Description
Data Conversion IC Development Tools Eval Board16-Bit 250 KSPS Serial MSOP
Manufacturer
Analog Devices
Type
ADCr
Series
AD7685r
Datasheet
1.EVAL-AD7685SDZ.pdf
(28 pages)
Specifications of EVAL-AD7685SDZ
Rohs
yes
Product
Evaluation Boards
Tool Is For Evaluation Of
AD7685
Interface Type
SPI
Operating Supply Voltage
2.3 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
1
AD7685
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Application Diagram........................................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Terminology ...................................................................................... 9
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 13
REVISION HISTORY
8/11—Rev. B to Rev. C
Changes to Figure 6 and Table 7..................................................... 8
Updated Outline Dimensions ....................................................... 26
Changes to Ordering Guide .......................................................... 27
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............................................. 6
Inserted Figure 6; Renumbered Sequentially................................ 8
Changes to Figure 13 and Figure 14............................................. 11
Changes to Figure 27...................................................................... 14
Changes to Table 9.......................................................................... 16
Changes to Figure 32...................................................................... 17
Changes to Figure 43...................................................................... 22
Changes to Figure 45...................................................................... 23
Updated Outline Dimensions ....................................................... 26
Changes to Ordering Guide .......................................................... 27
ESD Caution.................................................................................. 7
Circuit Information.................................................................... 13
Converter Operation.................................................................. 13
Typical Connection Diagram ................................................... 14
Analog Inputs.............................................................................. 15
Rev. C | Page 2 of 28
Application Hints ........................................................................... 24
Outline Dimensions ....................................................................... 26
12/04—Rev. 0 to Rev. A
Changes to Specifications.................................................................3
Changes to Figure 17 Captions..................................................... 11
Changes to Power Supply Section ................................................ 17
Changes to Digital Interface Section ........................................... 18
Changes to CS Mode 4-Wire No Busy Indicator Section ......... 21
Changes to CS Mode 4-Wire with Busy Indicator Section....... 22
Changes to Chain Mode, No Busy Indicator Section................ 23
Changes to Chain Mode with Busy Indicator Section .............. 24
Added True 16-Bit Isolated Application Example Section ....... 26
Added Figure 47 ............................................................................. 26
Changes to Ordering Guide .......................................................... 28
4/04—Revision 0: Initial Revision
Driver Amplifier Choice ........................................................... 16
Voltage Reference Input ............................................................ 16
Power Supply............................................................................... 16
Supplying the ADC from the Reference.................................. 17
Digital Interface.......................................................................... 17
CS Mode 3-Wire, No BUSY Indicator..................................... 18
CS Mode 3-Wire with BUSY Indicator ................................... 19
CS Mode 4-Wire, No BUSY Indicator..................................... 20
CS Mode 4-Wire with BUSY Indicator ................................... 21
Chain Mode, No BUSY Indicator ............................................ 22
Chain Mode with BUSY Indicator........................................... 23
Layout .......................................................................................... 24
Evaluating the Performance of the AD7685............................... 24
True 16-Bit Isolated Application Example .............................. 25
Ordering Guide .......................................................................... 27