Data SheetADA4530-1REVISION HISTORY5/2017—Rev. A to Rev. B3/2016—Rev. 0 to Rev. A Changes to Features Section and General Description Section ... 1 Changed DNC Pin to IC Pin .. Throughout Changed Offset Voltage Parameter to Input Offset Voltage Changes to Figure 1 .. 1 Parameter, Table 1 ... 4 Changes to Figure 3 and Table 6 ... 10 Changed Offset Voltage Parameter to Input Offset Voltage Changes to Figure 29 .. 15 Parameter, Table 2 ... 6 Changes to Theory of Operation Section .. 28 Changed Offset Voltage Parameter to Input Offset Voltage Changes to Humidity Effects Section and Figure 112.. 36 Parameter, Table 3 ... 8 Added Power Supply Recommendations Section, Power Changes to EMI Rejection Ratio Section and Figure 102 .. 32 Supply Considerations Section, Table 16, and Figure 133 to Moved Figure 114 .. 38 Figure 135 ... 49 Changes to Current Noise Considerations Section .. 41 Added Long-Term Drift Section, Temperature Hysteresis 10/2015—Revision 0: Initial Version Section, Figure 136, Figure 137, and Figure 138; Renumbered Sequentially .. 51 Changes to Ordering Guide ... 52 Rev. B | Page 3 of 52 Document Outline FEATURES APPLICATIONS PIN CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS 5 V NOMINAL ELECTRICAL CHARACTERISTICS 10 V NOMINAL ELECTRICAL CHARACTERISTICS 15 V NOMINAL ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS MAIN AMPLIFIER, DC PERFORMANCE MAIN AMPLIFIER, AC PERFORMANCE GUARD AMPLIFIER THEORY OF OPERATION ESD STRUCTURE INPUT STAGE GAIN STAGE OUTPUT STAGE GUARD BUFFER APPLICATIONS INFORMATION INPUT PROTECTION SINGLE-SUPPLY AND RAIL-TO-RAIL OUTPUT CAPACITIVE LOAD STABILITY EMI REJECTION RATIO HIGH IMPEDANCE MEASUREMENTS INPUT BIAS CURRENT INPUT RESISTANCE INPUT OFFSET VOLTAGE INSULATION RESISTANCE GUARDING DIELECTRIC RELAXATION HUMIDITY EFFECTS CONTAMINATION CLEANING AND HANDLING SOLDER PASTE SELECTION CURRENT NOISE CONSIDERATIONS LAYOUT GUIDELINES PHYSICAL IMPLEMENTATION OF GUARDING TECHNIQUES GUARD RING GUARD PLANE VIA FENCE CABLES AND CONNECTORS ELECTROSTATIC INTERFERANCE PHOTODIODE INTERFACE DC ERROR ANALYSIS AC ERROR ANALYSIS NOISE ANALYSIS DESIGN RECOMMENDATIONS DESIGN EXAMPLE POWER SUPPLY RECOMMENDATIONS POWER SUPPLY CONSIDERATIONS LONG-TERM DRIFT TEMPERATURE HYSTERESIS OUTLINE DIMENSIONS ORDERING GUIDE