Datasheet AD5231 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Nonvolatile Memory, 1024-Position Digital Potentiometer |
| Páginas / Página | 28 / 2 — AD5231. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 3/13—Rev. C to … |
| Revisión | D |
| Formato / tamaño de archivo | PDF / 542 Kb |
| Idioma del documento | Inglés |
AD5231. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 3/13—Rev. C to Rev. D. 5/04—Rev. 0 to Rev. A. 1/07—Rev. B to Rev. C
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AD5231 Data Sheet TABLE OF CONTENTS
Features .. 1 Latched Digital Outputs .. 16 Applications ... 1 Advanced Control Modes ... 18 Functional Block Diagram .. 1 RDAC Structure.. 19 General Description ... 1 Programming the Variable Resistor ... 19 Revision History ... 2 Programming the Potentiometer Divider ... 20 Specifications ... 3 Programming Examples .. 21 Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 3 Flash/EEMEM Reliability .. 22 Timing Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 5 Applications ... 23 Absolute Maximum Ratings .. 7 Bipolar Operation from Dual Supplies.. 23 ESD Caution .. 7 High Voltage Operation .. 23 Pin Configuration and Function Descriptions ... 8 Bipolar Programmable Gain Amplifier ... 23 Typical Performance Characteristics ... 9 10-Bit Bipolar DAC .. 23 Test Circuits ... 13 10-Bit Unipolar DAC ... 24 Theory of Operation .. 14 Programmable Voltage Source with Boosted Output ... 24 Scratchpad and EEMEM Programming .. 14 Programmable Current Source .. 24 Basic Operation .. 14 Programmable Bidirectional Current Source ... 25 EEMEM Protection .. 14 Resistance Scaling .. 25 Digital Input/Output Configuration .. 15 RDAC Circuit Simulation Model ... 26 Serial Data Interface ... 15 Outline Dimensions ... 27 Daisy-Chain Operation ... 15 Ordering Guide .. 27 Terminal Voltage Operation Range ... 16 Power-Up Sequence ... 16
REVISION HISTORY 3/13—Rev. C to Rev. D 5/04—Rev. 0 to Rev. A
Added t ; Table 2 .. 5 Updated formatting .. Universal WP Changes to Ordering Guide .. 27 Edits to Features, General Description, and Block Diagram ... 1 Changes to Specifications ... 3
1/07—Rev. B to Rev. C
Replaced Timing Diagrams.. 6 Updated Format .. Universal Changes to Pin Function Descriptions ... 8 Changes to Dynamic Characteristics Specifications ... 4 Changes to Typical Performance Characteristics.. 9 Changes to Table 2 Footnote .. 5 Changes to Test Circuits ... 13 Changes to Table 3 ... 7 Edits to Theory of Operation ... 14 Changes to Ordering Guide ... 27 Edits to Applications ... 23
9/04—Rev. A to Rev. B
Updated Outline Dimensions .. 27 Updated Format .. Universal
12/01—Revision 0: Initial Version
Changes to Table 20 ... 23 Changes to Resistance Scaling Section ... 25 Changes to Ordering Guide ... 27 Rev. D | Page 2 of 28 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Timing Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Timing Diagrams Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Scratchpad and EEMEM Programming Basic Operation EEMEM Protection Digital Input/Output Configuration Serial Data Interface Daisy-Chain Operation Terminal Voltage Operation Range Power-Up Sequence Latched Digital Outputs Advanced Control Modes Linear Increment and Decrement Instructions Logarithmic Taper Mode Adjustment Using Additional Internal Nonvolatile EEMEM RDAC Structure Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Programming Examples Flash/EEMEM Reliability Applications Bipolar Operation from Dual Supplies High Voltage Operation Bipolar Programmable Gain Amplifier 10-Bit Bipolar DAC 10-Bit Unipolar DAC Programmable Voltage Source with Boosted Output Programmable Current Source Programmable Bidirectional Current Source Resistance Scaling RDAC Circuit Simulation Model Outline Dimensions Ordering Guide
AD5231 Data Sheet TABLE OF CONTENTS
Features .. 1 Latched Digital Outputs .. 16 Applications ... 1 Advanced Control Modes ... 18 Functional Block Diagram .. 1 RDAC Structure.. 19 General Description ... 1 Programming the Variable Resistor ... 19 Revision History ... 2 Programming the Potentiometer Divider ... 20 Specifications ... 3 Programming Examples .. 21 Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 3 Flash/EEMEM Reliability .. 22 Timing Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 5 Applications ... 23 Absolute Maximum Ratings .. 7 Bipolar Operation from Dual Supplies.. 23 ESD Caution .. 7 High Voltage Operation .. 23 Pin Configuration and Function Descriptions ... 8 Bipolar Programmable Gain Amplifier ... 23 Typical Performance Characteristics ... 9 10-Bit Bipolar DAC .. 23 Test Circuits ... 13 10-Bit Unipolar DAC ... 24 Theory of Operation .. 14 Programmable Voltage Source with Boosted Output ... 24 Scratchpad and EEMEM Programming .. 14 Programmable Current Source .. 24 Basic Operation .. 14 Programmable Bidirectional Current Source ... 25 EEMEM Protection .. 14 Resistance Scaling .. 25 Digital Input/Output Configuration .. 15 RDAC Circuit Simulation Model ... 26 Serial Data Interface ... 15 Outline Dimensions ... 27 Daisy-Chain Operation ... 15 Ordering Guide .. 27 Terminal Voltage Operation Range ... 16 Power-Up Sequence ... 16
REVISION HISTORY 3/13—Rev. C to Rev. D 5/04—Rev. 0 to Rev. A
Added t ; Table 2 .. 5 Updated formatting .. Universal WP Changes to Ordering Guide .. 27 Edits to Features, General Description, and Block Diagram ... 1 Changes to Specifications ... 3
1/07—Rev. B to Rev. C
Replaced Timing Diagrams.. 6 Updated Format .. Universal Changes to Pin Function Descriptions ... 8 Changes to Dynamic Characteristics Specifications ... 4 Changes to Typical Performance Characteristics.. 9 Changes to Table 2 Footnote .. 5 Changes to Test Circuits ... 13 Changes to Table 3 ... 7 Edits to Theory of Operation ... 14 Changes to Ordering Guide ... 27 Edits to Applications ... 23
9/04—Rev. A to Rev. B
Updated Outline Dimensions .. 27 Updated Format .. Universal
12/01—Revision 0: Initial Version
Changes to Table 20 ... 23 Changes to Resistance Scaling Section ... 25 Changes to Ordering Guide ... 27 Rev. D | Page 2 of 28 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Timing Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Timing Diagrams Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Scratchpad and EEMEM Programming Basic Operation EEMEM Protection Digital Input/Output Configuration Serial Data Interface Daisy-Chain Operation Terminal Voltage Operation Range Power-Up Sequence Latched Digital Outputs Advanced Control Modes Linear Increment and Decrement Instructions Logarithmic Taper Mode Adjustment Using Additional Internal Nonvolatile EEMEM RDAC Structure Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Programming Examples Flash/EEMEM Reliability Applications Bipolar Operation from Dual Supplies High Voltage Operation Bipolar Programmable Gain Amplifier 10-Bit Bipolar DAC 10-Bit Unipolar DAC Programmable Voltage Source with Boosted Output Programmable Current Source Programmable Bidirectional Current Source Resistance Scaling RDAC Circuit Simulation Model Outline Dimensions Ordering Guide