AD844

Rev. F | Page 2 of 20

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

Functional Block Diagrams............................................................. 1

 

General Description ......................................................................... 1

 

Product Highlights ........................................................................... 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

Absolute Maximum Ratings............................................................ 5

 

Metallization Photograph............................................................ 5

 

ESD Caution.................................................................................. 5

 

Typical Performance Characteristics ............................................. 6

 

Inverting Gain-of-1 AC Characteristics .................................... 8

 

Inverting Gain-of-10 AC Characteristics.................................. 9

 

Inverting Gain-of-10 Pulse Response...................................... 10

 

Noninverting Gain-of-10 AC Characteristics ........................ 11

 

Understanding the AD844 ............................................................ 12

 

Open-Loop Behavior ................................................................. 12

 

Response as an Inverting Amplifier......................................... 12

 

Response as an I-V Converter .................................................. 13

 

Circuit Description of the AD844............................................ 13

 

Response as a Noninverting Amplifier.................................... 14

 

Noninverting Gain of 100 ......................................................... 14

 

Using the AD844 ............................................................................ 15

 

Board Layout............................................................................... 15

 

Input Impedance ........................................................................ 15

 

Driving Large Capacitive Loads ............................................... 15

 

Settling Time............................................................................... 15

 

DC Error Calculation ................................................................ 16

 

Noise ............................................................................................ 16

 

Video Cable Driver Using ±5 V Supplies................................ 16

 

High Speed DAC Buffer ............................................................ 17

 

20 MHz Variable Gain Amplifier ............................................. 17

 

Outline Dimensions ....................................................................... 19

 

Ordering Guide .......................................................................... 20

 

REVISION HISTORY

2/09—Rev. E to Rev F

Updated Format..................................................................Universal

Changes to Features Section............................................................ 1

Changes to Differential Phase Error Parameter, Table 1 ............. 3

Changes to Figure 13........................................................................ 8

Changes to Figure 18........................................................................ 9

Changes to Figure 23 and Figure 24............................................. 11

Changes to Figure 42 and High Speed DAC Buffer Section..... 17

Updated Outline Dimensions ....................................................... 19

Changes to Ordering Guide .......................................................... 20

1/03 Data Sheet changed from REV. D to REV. E.

Updated Features...............................................................................1

Edit to TPC 18 ...................................................................................7

Edits to Figure 13 and Figure 14................................................... 13

Updated Outline Dimensions....................................................... 15

11/01 Data Sheet changed from REV. C to REV. D.

Edits to Specifications ......................................................................2

Edits to Absolute Maximum Ratings ..............................................3

Edits to Ordering Guide ...................................................................3