Datasheet AD5231 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Nonvolatile Memory, 1024-Position Digital Potentiometer |
| Seiten / Seite | 28 / 7 — Data Sheet. AD5231. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameters. … |
| Revision | D |
| Dateiformat / Größe | PDF / 542 Kb |
| Dokumentensprache | Englisch |
Data Sheet. AD5231. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameters. Ratings. ESD CAUTION
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Data Sheet AD5231 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 3.
Stresses above those listed under Absolute Maximum Ratings
Parameters Ratings
may cause permanent damage to the device. This is a stress V rating only; functional operation of the device at these or any DD to GND –0.3 V, +7 V V other conditions above those indicated in the operational SS to GND +0.3 V, −7 V V section of this specification is not implied. Exposure to absolute DD to VSS 7 V V maximum rating conditions for extended periods may affect A, VB, VW to GND VSS − 0.3 V, VDD + 0.3 V A–B, A–W, B–W device reliability. Intermittent1 ±20 mA Continuous ±2 mA
ESD CAUTION
Digital Input and Output Voltage −0.3 V, VDD + 0.3 V to GND Operating Temperature Range2 −40°C to +85°C Maximum Junction Temperature 150°C (TJ max) Storage Temperature −65°C to +150°C Reflow Soldering Peak Temperature 260°C Time at Peak Temperature 20 sec to 40 sec Thermal Resistance 150°C/W Junction-to-Ambient (θJA),TSSOP-16 Junction-to-Case (θJC), TSSOP-16 28°C/W Package Power Dissipation (TJ max − TA)/θJA 1 Maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package, and maximum applied voltage across any two of the A, B, and W terminals at a given resistance. 2 Includes programming of nonvolatile memory. Rev. D | Page 7 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
Data Sheet AD5231 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 3.
Stresses above those listed under Absolute Maximum Ratings
Parameters Ratings
may cause permanent damage to the device. This is a stress V rating only; functional operation of the device at these or any DD to GND –0.3 V, +7 V V other conditions above those indicated in the operational SS to GND +0.3 V, −7 V V section of this specification is not implied. Exposure to absolute DD to VSS 7 V V maximum rating conditions for extended periods may affect A, VB, VW to GND VSS − 0.3 V, VDD + 0.3 V A–B, A–W, B–W device reliability. Intermittent1 ±20 mA Continuous ±2 mA
ESD CAUTION
Digital Input and Output Voltage −0.3 V, VDD + 0.3 V to GND Operating Temperature Range2 −40°C to +85°C Maximum Junction Temperature 150°C (TJ max) Storage Temperature −65°C to +150°C Reflow Soldering Peak Temperature 260°C Time at Peak Temperature 20 sec to 40 sec Thermal Resistance 150°C/W Junction-to-Ambient (θJA),TSSOP-16 Junction-to-Case (θJC), TSSOP-16 28°C/W Package Power Dissipation (TJ max − TA)/θJA 1 Maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package, and maximum applied voltage across any two of the A, B, and W terminals at a given resistance. 2 Includes programming of nonvolatile memory. Rev. D | Page 7 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