Datasheet

AD8132
Rev. I | Page 2 of 32
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Connection Diagram ....................................................................... 1
Revision History ........................................................................... 3
Specifications ..................................................................................... 4
±D
IN
to ±OUT Specifications ...................................................... 4
V
OCM
to ±OUT Specifications ..................................................... 5
±D
IN
to ±OUT Specifications ...................................................... 6
V
OCM
to ±OUT Specifications ..................................................... 7
±D
IN
to ±OUT Specifications ...................................................... 8
V
OCM
to ±OUT Specifications ..................................................... 8
Absolute Maximum Ratings ............................................................ 9
Thermal Resistance ...................................................................... 9
Maximum Power Dissipation ..................................................... 9
ESD Caution .................................................................................. 9
Pin Configuration and Function Descriptions ........................... 10
Typical Performance Characteristics ........................................... 11
Test Circuits ..................................................................................... 20
Operational Description ................................................................ 21
Definition of Terms .................................................................... 21
Basic Circuit Operation ............................................................. 21
Theory of Operation ...................................................................... 22
General Usage of the AD8132 .................................................. 22
Differential Amplifier Without Resistors (High Input
Impedance Inverting Amplifier) .............................................. 22
Other β2 = 1 Circuits ................................................................. 23
Varying β2 ................................................................................... 23
β1 = 0............................................................................................ 23
Estimating the Output Noise Voltage ...................................... 23
Calculating Input Impedance of the Application Circuit ..... 24
Input Common-Mode Voltage Range in Single-Supply
Applications ................................................................................ 24
Setting the Output Common-Mode Voltage .......................... 24
Driving a Capacitive Load ......................................................... 24
Open-Loop Gain and Phase ..................................................... 24
Layout, Grounding, and Bypassing .............................................. 25
Circuits ......................................................................................... 25
Applications Information .............................................................. 26
Analog-to-Digital Driver .......................................................... 26
Balanced Cable Driver ............................................................... 26
Transmit Equalizer ..................................................................... 27
Low-Pass Differential Filter ...................................................... 27
High Common-Mode Output Impedance Amplifier ........... 28
Full-Wave Rectifier .................................................................... 29
Automotive Products ................................................................. 29
Outline Dimensions ....................................................................... 30
Ordering Guide .......................................................................... 30