AD8132_09 Datasheet, PDF (2/32 Pages) Analog Devices – Low Cost, High Speed Differential Amplifier

AD8132
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Connection Diagram ....................................................................... 1
Revision History ........................................................................... 3
Specifications..................................................................................... 4
±DIN to ±OUT Specifications...................................................... 4
VOCM to ±OUT Specifications ..................................................... 5
±DIN to ±OUT Specifications...................................................... 6
VOCM to ±OUT Specifications ..................................................... 7
±DIN to ±OUT Specifications...................................................... 8
VOCM 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
Rev. I | Page 2 of 32