Datasheet

ADA4895-1/ADA4895-2 Data Sheet
Rev. A | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagrams ............................................................. 1
Companion Products ....................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
±5 V (or +10 V) Supply ............................................................... 3
±2.5 V (or +5 V) Supply .............................................................. 4
±1.5 V (or +3 V) Supply .............................................................. 5
Absolute Maximum Ratings ............................................................ 7
Thermal Resistance ...................................................................... 7
Maximum Power Dissipation ..................................................... 7
ESD Caution .................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 16
Amplifier Description ................................................................ 16
Input Protection ......................................................................... 16
Disable Operation ...................................................................... 16
DC Errors .................................................................................... 17
Bias Current Cancellation ......................................................... 17
Noise Considerations ................................................................. 18
Applications Information .............................................................. 19
Using the ADA4895-1/ADA4895-2 at a Gain < +10 .............. 19
High Gain Bandwidth Application .......................................... 20
Feedback Capacitor Application .............................................. 20
Wideband Photomultiplier Preamplifier ................................ 21
Layout Considerations ............................................................... 22
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 24
REVISION HISTORY
12/12—Rev. 0 to Rev. A
Added ADA4895-1 ............................................................. Universal
Changes to Features Section, General Description Section, and
Ta
ble 1 ............................................................................................................. 1
Added Figure 1; Renumbered Sequentially .................................. 1
Changes to Table 2 ............................................................................ 3
Changes to Table 3 ............................................................................ 4
Changes to Table 4 ............................................................................ 5
Changes to Figure 4 .......................................................................... 7
Added Figure 5, Table 7, Figure 6, and Table 8 ............................. 8
Added Figure 14 and Figure 17..................................................... 11
Changes to Figure 24 ...................................................................... 12
Added Figure 26 and Figure 29..................................................... 13
Changes to Amplifier Description Section ................................. 16
Changes to Noise Considerations Section .................................. 18
Added Feedback Capacitor Applications Section and
Figure 54 .......................................................................................... 20
Updated Outline Dimensions ....................................................... 23
Changes to Ordering Guide .......................................................... 24
9/12—Revision 0: Initial Version