Datasheet AD5235 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Nonvolatile Memory, Dual 1024-Position Digital Potentiometer |
| Pages / Page | 32 / 3 — Data Sheet. AD5235. REVISION HISTORY 6/12—Rev. E to Rev. F. 7/04—Rev. A … |
| Revision | F |
| File Format / Size | PDF / 800 Kb |
| Document Language | English |
Data Sheet. AD5235. REVISION HISTORY 6/12—Rev. E to Rev. F. 7/04—Rev. A to Rev. B. 4/11—Rev. D to Rev. E. 4/11—Rev. C to Rev. D
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Text Version of Document
Data Sheet AD5235 REVISION HISTORY 6/12—Rev. E to Rev. F 7/04—Rev. A to Rev. B
Changes to Table 1 Conditions .. 4 Updated Formatting .. Universal Removed Positive Supply Current RDY and/or SDO Floating Edits to Features, General Description, and Block Diagram .. 1 Parameters and Negative Supply Current RDY and/or SDO Changes to Specifications... 3 Floating Parameters, Table 1 .. 5 Replaced Timing Diagrams ... 6 Added Endnote 2 to Ordering Guide ... 30 Changes to Absolute Maximum Ratings.. 7
4/11—Rev. D to Rev. E
Changes to Pin Function Descriptions .. 8 Changes to Typical Performance Characteristics ... 9 Changes to Figure 12 .. 11 Additional Test Circuit (Figure 36)... 9
4/11—Rev. C to Rev. D
Edits to Theory of Operation .. 14 Changes to EEMEM Performance .. Throughout Edits to Applications ... 23 Changes to Features and General Descriptions Sections ... 1 Updated Outline Dimensions.. 27 Changes to Specifications Section ... 4
8/02—Rev. 0 to Rev. A
Changes to Pin 5, Pin 13, Pin 14 Descriptions .. 9 Change to Features and General Description ... 1 Changes to Typical Performance Characteristics Section ... 10 Change to Specifications .. 2 Changes to Table 7 .. 19 Change to Calculating Actual End-to-End Terminal Changes to Table 9 .. 21 Resistance Section ... 14 Changes to Rheostat Operation Section, Table 12, Table 13 ... 22 Changes to Table 16, Table 19, and EVAL-AD5235SDZ Evaluation Kit Section .. 23 Changes to RDAC Circuit Simulation Model Section ... 29 Updated Outline Dimensions .. 30 Changes to Ordering Guide ... 30
4/09—Rev. B to Rev. C
Changes to Figure 1... 1 Changes to Specifications ... 3 Changes to SDO, Description Column, Table 4 .. 8 Changes to Figure 18 .. 11 Changes to Theory of Operation Section .. 14 Changes to Serial Data Interface Section ... 15 Changes to Linear Increment and Decrement Instructions Section, Logarithmic Taper Mode Adjustment Section, and Figure 42 ... 18 Changes to Rheostat Operations Section ... 20 Changes to Bipolar Programmable Gain Amplifier Section, Figure 49, Table 21, and 10-Bit Bipolar DAC Section .. 23 Changes to Programmable Oscillator Section and Figure 56 ... 25 Changes to Ordering Guide ... 28 Rev. F | Page 3 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Electrical Characteristics—25 kΩ, 250 kΩ Versions Interface Timing and EEMEM Reliability Characteristics—25 kΩ, 250 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 and Output Configuration Serial Data Interface Daisy-Chain Operation Terminal Voltage Operating Range Power-Up Sequence Layout and Power Supply Bypassing Advanced Control Modes Linear Increment and Decrement Instructions Logarithmic Taper Mode Adjustment Using to Re-Execute a Previous Command Using Additional Internal Nonvolatile EEMEM Calculating Actual End-to-End Terminal Resistance RDAC Structure Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Programming Examples EVAL-AD5235SDZ Evaluation Kit Applications Information Bipolar Operation from Dual Supplies Gain Control Compensation High Voltage Operation DAC Bipolar Programmable Gain Amplifier 10-Bit Bipolar DAC Programmable Voltage Source with Boosted Output Programmable Current Source Programmable Bidirectional Current Source Programmable Low-Pass Filter Programmable Oscillator Optical Transmitter Calibration with ADN2841 Resistance Scaling Resistance Tolerance, Drift, and Temperature Coefficient Mismatch Considerations RDAC Circuit Simulation Model Outline Dimensions Ordering Guide
Changes to Table 1 Conditions .. 4 Updated Formatting .. Universal Removed Positive Supply Current RDY and/or SDO Floating Edits to Features, General Description, and Block Diagram .. 1 Parameters and Negative Supply Current RDY and/or SDO Changes to Specifications... 3 Floating Parameters, Table 1 .. 5 Replaced Timing Diagrams ... 6 Added Endnote 2 to Ordering Guide ... 30 Changes to Absolute Maximum Ratings.. 7
4/11—Rev. D to Rev. E
Changes to Pin Function Descriptions .. 8 Changes to Typical Performance Characteristics ... 9 Changes to Figure 12 .. 11 Additional Test Circuit (Figure 36)... 9
4/11—Rev. C to Rev. D
Edits to Theory of Operation .. 14 Changes to EEMEM Performance .. Throughout Edits to Applications ... 23 Changes to Features and General Descriptions Sections ... 1 Updated Outline Dimensions.. 27 Changes to Specifications Section ... 4
8/02—Rev. 0 to Rev. A
Changes to Pin 5, Pin 13, Pin 14 Descriptions .. 9 Change to Features and General Description ... 1 Changes to Typical Performance Characteristics Section ... 10 Change to Specifications .. 2 Changes to Table 7 .. 19 Change to Calculating Actual End-to-End Terminal Changes to Table 9 .. 21 Resistance Section ... 14 Changes to Rheostat Operation Section, Table 12, Table 13 ... 22 Changes to Table 16, Table 19, and EVAL-AD5235SDZ Evaluation Kit Section .. 23 Changes to RDAC Circuit Simulation Model Section ... 29 Updated Outline Dimensions .. 30 Changes to Ordering Guide ... 30
4/09—Rev. B to Rev. C
Changes to Figure 1... 1 Changes to Specifications ... 3 Changes to SDO, Description Column, Table 4 .. 8 Changes to Figure 18 .. 11 Changes to Theory of Operation Section .. 14 Changes to Serial Data Interface Section ... 15 Changes to Linear Increment and Decrement Instructions Section, Logarithmic Taper Mode Adjustment Section, and Figure 42 ... 18 Changes to Rheostat Operations Section ... 20 Changes to Bipolar Programmable Gain Amplifier Section, Figure 49, Table 21, and 10-Bit Bipolar DAC Section .. 23 Changes to Programmable Oscillator Section and Figure 56 ... 25 Changes to Ordering Guide ... 28 Rev. F | Page 3 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Electrical Characteristics—25 kΩ, 250 kΩ Versions Interface Timing and EEMEM Reliability Characteristics—25 kΩ, 250 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 and Output Configuration Serial Data Interface Daisy-Chain Operation Terminal Voltage Operating Range Power-Up Sequence Layout and Power Supply Bypassing Advanced Control Modes Linear Increment and Decrement Instructions Logarithmic Taper Mode Adjustment Using to Re-Execute a Previous Command Using Additional Internal Nonvolatile EEMEM Calculating Actual End-to-End Terminal Resistance RDAC Structure Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Programming Examples EVAL-AD5235SDZ Evaluation Kit Applications Information Bipolar Operation from Dual Supplies Gain Control Compensation High Voltage Operation DAC Bipolar Programmable Gain Amplifier 10-Bit Bipolar DAC Programmable Voltage Source with Boosted Output Programmable Current Source Programmable Bidirectional Current Source Programmable Low-Pass Filter Programmable Oscillator Optical Transmitter Calibration with ADN2841 Resistance Scaling Resistance Tolerance, Drift, and Temperature Coefficient Mismatch Considerations RDAC Circuit Simulation Model Outline Dimensions Ordering Guide
