Analog Devices AD8260 Evaluation Board AD8260-EVALZ AD8260-EVALZ 数据表

Analog Devices

产品代码

AD8260-EVALZ

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