AD549Data SheetAD549JAD549KAD549LAD549SParameterMin TypMax Min TypMax Min TypMax Min TypMax Unit FREQUENCY RESPONSE Unity Gain, Small Signal 0.7 1.0 0.7 1.0 0.7 1.0 0.7 1.0 MHz Full Power Response 50 50 50 50 kHz Slew Rate 2 3 2 3 2 3 2 3 V/μs Settling Time, 0.1% 4.5 4.5 4.5 4.5 μs Settling Time, 0.01% 5 5 5 5 μs Overload Recovery, 50% 2 2 2 2 μs Overdrive, G = −1 POWER SUPPLY Rated Performance ±15 ±15 ±15 ±15 V Operating ±5±18 ±5±18 ±5±18 ±5±18 V Quiescent Current 0.60 0.70 0.60 0.70 0.60 0.70 0.60 0.70 mA TEMPERATURE RANGE Operating, Rated 0 70 0 70 0 70 −55 +125 °C Performance Storage −65 +150 −65 +150 −65 +150 −65 +150 °C 1 Bias current specifications are guaranteed after five minutes of operation at TA = 25°C. Bias current increases by a factor of 2.3 for every 10°C rise in temperature. 2 Input offset voltage specifications are guaranteed after five minutes of operation at TA = 25°C. 3 Defined as maximum continuous voltage between the inputs, such that neither input exceeds ±10 V from ground. Rev. K | Page 4 of 18 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION MINIMIZING INPUT CURRENT CIRCUIT BOARD NOTES OFFSET NULLING AC RESPONSE WITH HIGH VALUE SOURCE AND FEEDBACK RESISTANCE COMMON-MODE INPUT VOLTAGE OVERLOAD DIFFERENTIAL INPUT VOLTAGE OVERLOAD INPUT PROTECTION SAMPLE-AND-DIFFERENCE CIRCUIT TO MEASURE ELECTROMETER LEAKAGE CURRENTS PHOTODIODE INTERFACE Photodiode Preamp Noise LOG RATIO AMPLIFIER TEMPERATURE COMPENSATED pH PROBE AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE
