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 6 link to page 8 link to page 8 link to page 8 link to page 8 link to page 9 link to page 12 link to page 25 link to page 26 link to page 26 link to page 27 link to page 27 link to page 28 link to page 28 link to page 28 link to page 28 link to page 29 link to page 29 link to page 29 link to page 30 link to page 31 link to page 33 ADA4177-1/ADA4177-2/ADA4177-4Data SheetTABLE OF CONTENTS Features .. 1 Applications Information .. 26 Applications ... 1 Active Overvoltage Protection ... 26 General Description ... 1 Limiting Overvoltage Current Out of the Positive Supply Pin Pin Connection Diagram .. 1 ... 27 Revision History ... 3 EMI Protection ... 28 Specifications ... 4 Self Heating ... 28 Electrical Characteristics, ±5 V .. 4 Using the ADA4177-1/ADA4177-2/ADA4177-4 as a Comparator ... 28 Electrical Characteristics, ±15 V .. 6 Output Phase Reversal ... 29 Absolute Maximum Ratings ... 8 Proper Printed Circuit Board (PCB) Layout .. 29 Maximum Power Dissipation ... 8 Long-Term Drift ... 29 Thermal Resistance .. 8 Temperature Hysteresis ... 30 ESD Caution .. 8 Outline Dimensions ... 31 Pin Configurations and Function Descriptions ... 9 Ordering Guide .. 33 Typical Performance Characteristics ... 12 Theory of Operation .. 25 Rev. E | Page 2 of 33 Document Outline Features Applications General Description Pin Connection Diagram Revision History Specifications Electrical Characteristics, ±5 V Electrical Characteristics, ±15 V Absolute Maximum Ratings Maximum Power Dissipation Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Active Overvoltage Protection Common Protection Methods Add an External Series Input Resistor Add External Clamping Diodes Input Protection Circuit Limiting Overvoltage Current Out of the Positive Supply Pin EMI Protection Self Heating Using the ADA4177-1/ADA4177-2/ADA4177-4 as a Comparator Output Phase Reversal Proper Printed Circuit Board (PCB) Layout Long-Term Drift Temperature Hysteresis Outline Dimensions Ordering Guide