Datasheet AD5235 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Nonvolatile Memory, Dual 1024-Position Digital Potentiometer |
| 页数 / 页 | 32 / 8 — AD5235. Data Sheet. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter. Rating. … |
| 修订版 | F |
| 文件格式/大小 | PDF / 800 Kb |
| 文件语言 | 英语 |
AD5235. Data Sheet. ABSOLUTE MAXIMUM RATINGS. Table 3. Parameter. Rating. ESD CAUTION
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AD5235 Data Sheet ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 3.
Stresses above those listed under Absolute Maximum Ratings
Parameter Rating
may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any VDD to GND –0.3 V to +7 V other conditions above those indicated in the operational VSS to GND +0.3 V to −7 V section of this specification is not implied. Exposure to absolute VDD to VSS 7 V maximum rating conditions for extended periods may affect VA, VB, VW to GND VSS − 0.3 V to VDD + 0.3 V device reliability. IA, IB, IW Pulsed1 ±20 mA Continuous ±2 mA
ESD CAUTION
Digital Input and Output Voltage to GND −0.3 V to VDD + 0.3 V Operating Temperature Range2 −40°C to +85°C Maximum Junction Temperature (TJ max) 150°C Storage Temperature Range −65°C to +150°C Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Thermal Resistance Junction-to-Ambient θJA,TSSOP-16 150°C/W 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. F | Page 8 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
AD5235 Data Sheet ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 3.
Stresses above those listed under Absolute Maximum Ratings
Parameter Rating
may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any VDD to GND –0.3 V to +7 V other conditions above those indicated in the operational VSS to GND +0.3 V to −7 V section of this specification is not implied. Exposure to absolute VDD to VSS 7 V maximum rating conditions for extended periods may affect VA, VB, VW to GND VSS − 0.3 V to VDD + 0.3 V device reliability. IA, IB, IW Pulsed1 ±20 mA Continuous ±2 mA
ESD CAUTION
Digital Input and Output Voltage to GND −0.3 V to VDD + 0.3 V Operating Temperature Range2 −40°C to +85°C Maximum Junction Temperature (TJ max) 150°C Storage Temperature Range −65°C to +150°C Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Thermal Resistance Junction-to-Ambient θJA,TSSOP-16 150°C/W 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. F | Page 8 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