link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 3 link to page 7 link to page 7 link to page 7 link to page 8 link to page 17 link to page 18 link to page 18 link to page 18 link to page 19 link to page 19 link to page 19 link to page 20 link to page 20 link to page 20 link to page 21 link to page 21 link to page 21 link to page 22 link to page 22 link to page 23 link to page 24 OP191/OP291/OP491TABLE OF CONTENTS Features .. 1 Overdrive Recovery ... 18 Applications ... 1 Applications Information .. 19 Pin Configurations ... 1 Single 3 V Supply, Instrumentation Amplifier ... 19 General Description ... 1 Single-Supply RTD Amplifier ... 19 Revision History ... 2 A 2.5 V Reference from a 3 V Supply .. 20 Specifications ... 3 5 V Only, 12-Bit DAC Swings Rail-to-Rail ... 20 Electrical Specifications ... 3 A High-Side Current Monitor .. 20 Absolute Maximum Ratings .. 7 A 3 V, Cold Junction Compensated Thermocouple Amplifier ... 21 Thermal Resistance .. 7 Single-Supply, Direct Access Arrangement for Modems .. 21 ESD Caution .. 7 3 V, 50 Hz/60 Hz Active Notch Filter with False Ground ... 22 Typical Performance Characteristics ... 8 Single-Supply, Half-Wave, and Full-Wave Rectifiers ... 22 Theory of Operation .. 17 Outline Dimensions ... 23 Input Overvoltage Protection ... 18 Ordering Guide .. 24 Output Voltage Phase Reversal ... 18 REVISION HISTORY4/10—Rev. D to Rev. E3/04—Rev. B to Rev. C. Changes to Input Voltage Parameter, Table 4 ... 7 Changes to OP291 SOIC Pin Configuration ... 1 4/06—Rev. C to Rev. D11/03—Rev. A to Rev. B. Changes to Noise Performance, Voltage Density, Table 1 ... 3 Edits to General Description ... 1 Changes to Noise Performance, Voltage Density, Table 2 ... 4 Edits to Pin Configuration ... 1 Changes to Noise Performance, Voltage Density, Table 3 ... 5 Changes to Ordering Guide ... 5 Changes to Figure 23 and Figure 24 ... 10 Updated Outline Dimensions ... 19 Changes to Figure 42 .. 13 12/02—Rev. 0 to Rev. A. Changes to Figure 43 .. 14 Edits to General Description ... 1 Changes to Figure 57 .. 16 Edits to Pin Configuration ... 1 Added Figure 58 .. 16 Changes to Ordering Guide ... 5 Changed Reference from Figure 47 to Figure 12 .. 17 Edits to Dice Characteristics .. 5 Updated Outline Dimensions ... 23 Changes to Ordering Guide .. 24 Rev. E | Page 2 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT OVERVOLTAGE PROTECTION OUTPUT VOLTAGE PHASE REVERSAL OVERDRIVE RECOVERY APPLICATIONS INFORMATION SINGLE 3 V SUPPLY, INSTRUMENTATION AMPLIFIER SINGLE-SUPPLY RTD AMPLIFIER A 2.5 V REFERENCE FROM A 3 V SUPPLY 5 V ONLY, 12-BIT DAC SWINGS RAIL-TO-RAIL A HIGH-SIDE CURRENT MONITOR A 3 V, COLD JUNCTION COMPENSATED THERMOCOUPLE AMPLIFIER SINGLE-SUPPLY, DIRECT ACCESS ARRANGEMENT FOR MODEMS 3 V, 50 HZ/60 HZ ACTIVE NOTCH FILTER WITH FALSE GROUND SINGLE-SUPPLY, HALF-WAVE, AND FULL-WAVE RECTIFIERS OUTLINE DIMENSIONS ORDERING GUIDE