Datasheet AD5228 (Analog Devices) - 5

Data Sheet AD5228 ABSOLUTE MAXIMUM RATINGS Table 3.
Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a
Parameter Rating
stress rating only; functional operation of the product at these VDD to GND −0.3 V, +7 V or any other conditions above those indicated in the operational VA, VB, VW to GND 0 V, VDD section of this specification is not implied. Operation beyond PU, PD, PRE Voltage to GND 0 V, VDD the maximum operating conditions for extended periods may Maximum Current affect product reliability. IWB, IWA Pulsed ±20 mA I WB Continuous (RWB ≤ 5 kΩ, A open)1 ±1 mA IWA Continuous (RWA ≤ 5 kΩ, B open)1 ±1 mA
ESD CAUTION
IAB Continuous ±500 μA/±100 μA/ (RAB = 10 kΩ/50 kΩ/100 kΩ)1 ±50 μA Operating Temperature Range −40°C to +105°C Maximum Junction Temperature 150°C (TJmax) Storage Temperature −65°C to +150°C Lead Temperature 245°C (Soldering, 10 s – 30 s) Thermal Resistance2 θJA 230°C/W 1 Maximum terminal current is bounded by the maximum applied voltage across any two of the A, B, and W terminals at a given resistance, the maximum current handling of the switches, and the maximum power dissipation of the package. VDD = 5 V. 2 Package power dissipation = (TJmax – TA) / θJA. Rev. B | Page 5 of 18 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY ELECTRICAL CHARACTERISTICS INTERFACE TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PROGRAMMING THE DIGITAL POTENTIOMETERS Rheostat Operation Potentiometer Mode Operation CONTROLLING INPUTS TERMINAL VOLTAGE OPERATION RANGE POWER-UP AND POWER-DOWN SEQUENCES LAYOUT AND POWER SUPPLY BIASING APPLICATIONS MANUAL ADJUSTABLE LED DRIVER ADJUSTABLE CURRENT SOURCE FOR LED DRIVER ADJUSTABLE HIGH POWER LED DRIVER AUTOMATIC LCD PANEL BACKLIGHT CONTROL AUDIO AMPLIFIER WITH VOLUME CONTROL CONSTANT BIAS WITH SUPPLY TO RETAIN RESISTANCE SETTING OUTLINE DIMENSIONS ORDERING GUIDE