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ADN2850BRUZ25 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADN2850BRUZ25
Description  Nonvolatile Memory, Dual 1024-Position Digital Resistor
Download  30 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADN2850BRUZ25 Datasheet(HTML) 2 Page - Analog Devices

 
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ADN2850
Data Sheet
Rev. F | Page 2 of 30
TABLE OF CONTENTS
Features .............................................................................................. 1
 
Applications....................................................................................... 1
 
General Description ......................................................................... 1
 
Functional Block Diagram .............................................................. 1
 
Revision History ............................................................................... 2
 
Specifications..................................................................................... 4
 
Electrical Characteristics—25 kΩ, 250 kΩ Versions ............... 4
 
Interface Timing and EEMEM Reliability Characteristics—25
kΩ, 250 kΩ Versions .................................................................... 6
 
Absolute Maximum Ratings............................................................ 8
 
ESD Caution.................................................................................. 8
 
Pin Configurations and Function Descriptions ........................... 9
 
Typical Performance Characteristics ........................................... 11
 
Test Circuits................................................................................. 14
 
Theory of Operation ...................................................................... 15
 
Scratchpad and EEMEM Programming.................................. 15
 
Basic Operation .......................................................................... 15
 
EEMEM Protection.................................................................... 16
 
Digital Input and Output Configuration................................. 16
 
Serial Data Interface................................................................... 16
 
Daisy-Chain Operation ............................................................. 17
 
Terminal Voltage Operating Range ......................................... 17
 
Advanced Control Modes ......................................................... 19
 
RDAC Structure.......................................................................... 20
 
Programming the Variable Resistor......................................... 21
 
Programming Examples ............................................................ 21
 
EVAL-ADN2850SDZ Evaluation Kit....................................... 22
 
Applications Information .............................................................. 23
 
Gain Control Compensation .................................................... 23
 
Programmable Low-Pass Filter ................................................ 23
 
Programmable Oscillator .......................................................... 23
 
Optical Transmitter Calibration with ADN2841 ................... 24
 
Incoming Optical Power Monitoring ...................................... 24
 
Resistance Scaling ...................................................................... 25
 
Resistance Tolerance, Drift, and Temperature Coefficient
Mismatch Considerations ......................................................... 26
 
RDAC Circuit Simulation Model............................................. 26
 
Outline Dimensions ....................................................................... 27
 
Ordering Guide .......................................................................... 27
 
REVISION HISTORY
4/16—Rev. E to Rev. F
Changed CP-16-6 to CP-16-31 .................................... Throughout
Changes to General Description Section ...................................... 1
Changes to Figure 4 and Table 4..................................................... 9
Changes to Figure 5 and Table 5................................................... 10
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 27
6/12—Rev. D to Rev. E
Changes to Table 1 Conditions ....................................................... 4
Removed Positive Supply Current RDY and/or SDO Floating
Parameters and Negative Supply Current RDY and/or SDO
Floating Parameters, Table 1 ........................................................... 4
Updated Outline Dimensions ....................................................... 25
Added Endnote 2 to Ordering Guide .......................................... 25
4/11—Rev. C to Rev. D
Changes to Figure 10...................................................................... 10
4/11—Rev. B to Rev. C
Updated Format..................................................................Universal
Changes to EEMEM Performance ...................................Universal
Changes to Features Section............................................................ 1
Changes to Applications Section .................................................... 1
Changes to General Description Section ...................................... 1
Changes to Figure 1...........................................................................1
Changes to Specifications Section...................................................3
Changes to Table 2.............................................................................5
Changes to Absolute Maximum Ratings Section..........................7
Changes to Pin Configuration and Function Descriptions
Section.................................................................................................8
Changes to Typical Performance Characteristics Section ........ 10
Added Figure 15, Figure 16, and Figure 17................................. 11
Changes to Figure 21...................................................................... 12
Changes to Theory of Operation Section.................................... 13
Changes to Figure 25...................................................................... 14
Changes to Programming Variable Resister Section ................. 19
Changes to Table 13 ....................................................................... 19
Changes to EVAL-ADN2850EBZ Evaluation Kit Section ........ 20
Added Gain Control Compensation Section.............................. 21
Added Programmable Low-Pass Filter Section.......................... 21
Added Programmable Oscillator Section.................................... 21
Added Resistance Tolerance, Drift, and Temperature
Coefficient Mismatch Considerations Section........................... 24
Changes to Outline Dimensions Section .................................... 25
Changes to Ordering Guide .......................................................... 25


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