Datasheet AD8132 (Analog Devices) - 3

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AD8132 TABLE OF CONTENTS
Features .. 1  Differential Amplifier Without Resistors (High Input Applications ... 1  Impedance Inverting Amplifier) .. 22  General Description ... 1  Other β2 = 1 Circuits ... 23  Connection Diagram ... 1  Varying β2 ... 23  Revision History ... 3  β1 = 0.. 23  Specifications ... 4  Estimating the Output Noise Voltage .. 23  ±D Calculating Input Impedance of the Application Circuit ... 24  IN to ±OUT Specifications .. 4  V Input Common-Mode Voltage Range in Single-Supply OCM to ±OUT Specifications ... 5  Applications .. 24  ±DIN to ±OUT Specifications .. 6  Setting the Output Common-Mode Voltage .. 24  VOCM to ±OUT Specifications ... 7  Driving a Capacitive Load ... 24  ±DIN to ±OUT Specifications .. 8  Open-Loop Gain and Phase ... 24  VOCM to ±OUT Specifications ... 8  Layout, Grounding, and Bypassing .. 25  Absolute Maximum Ratings .. 9  Circuits ... 25  Thermal Resistance .. 9  Applications Information .. 26  Maximum Power Dissipation ... 9  Analog-to-Digital Driver .. 26  ESD Caution .. 9  Balanced Cable Driver ... 26  Pin Configuration and Function Descriptions ... 10  Transmit Equalizer ... 27  Typical Performance Characteristics ... 11  Low-Pass Differential Filter .. 27  Test Circuits ... 20  High Common-Mode Output Impedance Amplifier ... 28  Operational Description .. 21  Full-Wave Rectifier .. 29  Definition of Terms .. 21  Automotive Products ... 29  Basic Circuit Operation ... 21  Outline Dimensions ... 30  Theory of Operation .. 22  Ordering Guide .. 30  General Usage of the AD8132 .. 22  Rev. I | Page 2 of 32 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ±DIN TO ±OUT SPECIFICATIONS VOCM TO ±OUT SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS OPERATIONAL DESCRIPTION DEFINITION OF TERMS Differential Voltage Common-Mode Voltage BASIC CIRCUIT OPERATION THEORY OF OPERATION GENERAL USAGE OF THE AD8132 DIFFERENTIAL AMPLIFIER WITHOUT RESISTORS (HIGH INPUT IMPEDANCE INVERTING AMPLIFIER) OTHER β2 = 1 CIRCUITS VARYING β2 β1 = 0 ESTIMATING THE OUTPUT NOISE VOLTAGE CALCULATING INPUT IMPEDANCE OF THE APPLICATION CIRCUIT INPUT COMMON-MODE VOLTAGE RANGE IN SINGLE-SUPPLY APPLICATIONS SETTING THE OUTPUT COMMON-MODE VOLTAGE DRIVING A CAPACITIVE LOAD OPEN-LOOP GAIN AND PHASE LAYOUT, GROUNDING, AND BYPASSING CIRCUITS APPLICATIONS INFORMATION ANALOG-TO-DIGITAL DRIVER BALANCED CABLE DRIVER TRANSMIT EQUALIZER LOW-PASS DIFFERENTIAL FILTER HIGH COMMON-MODE OUTPUT IMPEDANCE AMPLIFIER FULL-WAVE RECTIFIER AUTOMOTIVE PRODUCTS OUTLINE DIMENSIONS ORDERING GUIDE