AD5231BRUZ10 Analog Devices Inc, AD5231BRUZ10 Datasheet - Page 2

• Manufacturer Part Number: AD5231BRUZ10
• Description: IC POT DGTL 1024POS 16-TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD5231BRUZ10

• Taps: 1024
• Resistance (ohms): 10K
• 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
• Package / Case: 16-TSSOP
• Resistance In Ohms: 10K
• End To End Resistance: 10kohm
• Track Taper: Logarithmic
• Resistance Tolerance: +20, -40%
• No. Of Steps: 1024
• Supply Voltage Range: 2.7V To 5.5V, ± 2.25V To ± 2.75V
• Control Interface: Serial, SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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