AD549* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017COMPARABLE PARTSREFERENCE MATERIALS View a parametric search of comparable parts. Technical Articles • MS-2624:Optimizing Precision Photodiode Sensor Circuit DOCUMENTATION Design Application Notes • AN-253: Find Op Amp Noise with Spreadsheet DESIGN RESOURCES • AN-356: User's Guide to Applying and Measuring • AD549 Material Declaration Operational Amplifier Specifications • PCN-PDN Information • AN-357: Operational Integrators • Quality And Reliability • AN-649: Using the Analog Devices Active Filter Design • Symbols and Footprints Tool Data SheetDISCUSSIONS • AD549: Ultralow Input-Bias Current Operational Amplifier View all AD549 EngineerZone Discussions. Data Sheet SAMPLE AND BUYTOOLS AND SIMULATIONS Visit the product page to see pricing options. • Analog Filter Wizard • Analog Photodiode Wizard TECHNICAL SUPPORT • AD549 SPICE Macro Model Submit a technical question or find your regional support number. DOCUMENT FEEDBACK Submit feedback for this data sheet. This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified. 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
