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