link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 4 link to page 7 link to page 10 link to page 10 link to page 10 link to page 11 link to page 12 link to page 22 link to page 22 link to page 22 link to page 23 link to page 23 link to page 24 link to page 25 link to page 25 link to page 26 link to page 26 link to page 26 link to page 27 link to page 28 link to page 29 link to page 29 link to page 25 AD8426TABLE OF CONTENTS Features .. 1 Gain Selection ... 21 Applications ... 1 Reference Terminal .. 22 Connection Diagram ... 1 Input Voltage Range ... 22 General Description ... 1 Layout .. 23 Revision History ... 2 Input Bias Current Return Path ... 24 Specifications ... 3 Input Protection ... 24 Dual-Supply Operation ... 3 Radio Frequency Interference (RFI) .. 24 Single-Supply Operation ... 6 Applications Information .. 25 Absolute Maximum Ratings .. 9 Precision Strain Gage ... 25 Thermal Resistance .. 9 Differential Drive ... 25 ESD Caution .. 9 Driving a Cable ... 26 Pin Configuration and Function Descriptions ... 10 Driving an ADC ... 27 Typical Performance Characteristics ... 11 Outline Dimensions ... 28 Theory of Operation .. 21 Ordering Guide .. 28 Architecture ... 21 REVISION HISTORY7/11—Revision 0: Initial Version Rev. 0 | Page 2 of 28 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DUAL-SUPPLY OPERATION Dynamic Performance Specifications SINGLE-SUPPLY OPERATION Dynamic Performance Specifications ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Package Considerations Hidden Paddle Package Common-Mode Rejection Ratio over Frequency Power Supplies References INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RADIO FREQUENCY INTERFERENCE (RFI) APPLICATIONS INFORMATION PRECISION STRAIN GAGE DIFFERENTIAL DRIVE Differential Output Using Both AD8426 Amplifiers 2-Channel Differential Output Using a Dual Op Amp Tips for Best Differential Output Performance DRIVING A CABLE DRIVING AN ADC OUTLINE DIMENSIONS ORDERING GUIDE