Datasheet

AD8260
Rev. A | Page 2 of 32
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
ESD Caution .................................................................................. 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
Test Circuits ..................................................................................... 16
Theory of Operation ...................................................................... 20
Overview ...................................................................................... 20
High Current Driver Amplifier ................................................ 21
Precautions to Be Observed During Half-Duplex
Operation ..................................................................................... 22
VMID Buffer ............................................................................... 22
Preamplifier ................................................................................. 22
Preamplifier Noise ...................................................................... 22
DGA ............................................................................................. 23
Gain Control ............................................................................... 23
Output Stage ................................................................................ 23
Attenuator.................................................................................... 23
Single-Supply Operation and AC Coupling ........................... 24
Power-Up/Power-Down Sequence .......................................... 24
Logic Interfaces ........................................................................... 24
Applications Information .............................................................. 25
Evaluation Board ............................................................................ 26
Connecting the Evaluation Board ............................................ 27
Outline Dimensions ....................................................................... 32
Ordering Guide .......................................................................... 32
REVISION HISTORY
2/11—Rev. 0 to Rev. A
Added EPAD Notation..................................................................... 7
Changes to Figure 70 ...................................................................... 29
5/08—Revision 0: Initial Version