AD5231BRU100 Analog Devices Inc, AD5231BRU100 Datasheet - Page 2
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AD5231BRU100
Manufacturer Part Number
AD5231BRU100
Description
IC DGTL POT 1024POS 16-TSSOP
Manufacturer
Analog Devices Inc
Datasheet
1.AD5231BRUZ50.pdf
(28 pages)
Specifications of AD5231BRU100
Package / Case
16-TSSOP
Rohs Status
RoHS non-compliant
Taps
1024
Resistance (ohms)
100K
Number Of Circuits
1
Temperature Coefficient
600 ppm/°C Typical
Memory Type
Non-Volatile
Interface
4-Wire SPI Serial
Voltage - Supply
2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Resistance In Ohms
100K
Peak Reflow Compatible (260 C)
No
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5231BRU100
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD5231
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
Test Circuits..................................................................................... 13
Theory of Operation ...................................................................... 14
REVISION HISTORY
1/07—Rev. B to Rev. C
Updated Format.................................................................. Universal
Changes to Dynamic Characteristics Specifications.....................4
Changes to Table 2 Footnote............................................................5
Changes to Table 3.............................................................................7
Changes to Ordering Guide ...........................................................27
9/04—Rev. A to Rev. B
Updated Format.................................................................. Universal
Changes to Table 20.........................................................................23
Changes to Resistance Scaling Section .........................................25
Changes to Ordering Guide ...........................................................27
Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 3
Timing Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions ...... 5
ESD Caution.................................................................................. 7
Scratchpad and EEMEM Programming.................................. 14
Basic Operation .......................................................................... 14
EEMEM Protection.................................................................... 14
Digital Input/Output Configuration........................................ 15
Serial Data Interface................................................................... 15
Daisy-Chain Operation ............................................................. 15
Terminal Voltage Operation Range ......................................... 16
Power-Up Sequence ................................................................... 16
Rev. C | Page 2 of 28
Applications..................................................................................... 23
Outline Dimensions ....................................................................... 27
5/04—Rev. 0 to Rev. A
Updated formatting............................................................ Universal
Edits to Features, General Description, and Block Diagram.......1
Changes to Specifications.................................................................3
Replaced Timing Diagrams..............................................................6
Changes to Pin Function Descriptions...........................................8
Changes to Typical Performance Characteristics..........................9
Changes to Test Circuits .................................................................13
Edits to Theory of Operation.........................................................14
Edits to Applications .......................................................................23
Updated Outline Dimensions........................................................27
12/01—Revision 0: Initial Version
Latched Digital Outputs ............................................................ 16
Advanced Control Modes ......................................................... 18
RDAC Structure.......................................................................... 19
Programming the Variable Resistor......................................... 19
Programming the Potentiometer Divider............................... 20
Programming Examples ............................................................ 21
Flash/EEMEM Reliability.......................................................... 22
Bipolar Operation from Dual Supplies.................................... 23
High Voltage Operation ............................................................ 23
Bipolar Programmable Gain Amplifier................................... 23
10-Bit Bipolar DAC.................................................................... 23
10-Bit Unipolar DAC ................................................................. 24
Programmable Voltage Source with Boosted Output ........... 24
Programmable Current Source ................................................ 24
Programmable Bidirectional Current Source......................... 25
Resistance Scaling ...................................................................... 25
RDAC Circuit Simulation Model............................................. 26
Ordering Guide .......................................................................... 27