Datasheet

ADA4817-1/ADA4817-2 Data Sheet
Rev. B | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Connection Diagrams ...................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
±5 V Operation ............................................................................. 3
5 V Operation ............................................................................... 4
Absolute Maximum Ratings ............................................................ 5
Thermal Resistance ...................................................................... 5
Maximum Safe Power Dissipation ............................................. 5
ESD Caution .................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 8
Test Circuits ..................................................................................... 13
Theory of Operation ...................................................................... 14
Closed-Loop Frequency Response ........................................... 14
Noninverting Closed-Loop Frequency Response .................. 14
Inverting Closed-Loop Frequency Response ............................. 14
Wideband Operation ................................................................. 15
Driving Capacitive Loads .......................................................... 15
Thermal Considerations ............................................................ 15
Power-Down Operation ............................................................ 15
Capacitive Feedback ................................................................... 16
Higher Frequency Attenuation ................................................. 16
Layout, Grounding, and Bypassing Considerations .................. 17
Signal Routing ............................................................................. 17
Power Supply Bypassing ............................................................ 17
Grounding ................................................................................... 17
Exposed Paddle........................................................................... 17
Leakage Currents ........................................................................ 18
Input Capacitance ...................................................................... 18
Input-to-Input/Output Coupling ............................................. 18
Applications Information .............................................................. 19
Low Distortion Pinout ............................................................... 19
Wideband Photodiode Preamp ................................................ 19
High Speed JFET Input Instrumentation Amplifier.............. 21
Active Low-Pass Filter (LPF) .................................................... 22
Outline Dimensions ....................................................................... 24
Ordering Guide .......................................................................... 25
REVISION HISTORY
5/13—Rev. A to Rev. B
Changes to Figure 3 .......................................................................... 1
Changes to Figure 7 .......................................................................... 7
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 25
3/09—Rev. 0 to Rev. A
Added 8-Lead SOIC Package ............................................ Universal
Changes to Features Section and General Description Section . 1
Changes to Table 1 ............................................................................ 3
Changes to Table 2 ............................................................................ 4
Changes to Figure 4 .......................................................................... 5
Changes to Figure 9, Figure 11, and Figure 12 ............................. 8
Changes to Figure 21, Figure 22, and Figure 24 ......................... 10
Changes to Figure 33 ...................................................................... 12
Added Figure 34; Renumbered Sequentially .............................. 12
Changes to Thermal Considerations Section and Power-Down
Operation Section ........................................................................... 15
Changes to Capacitive Feedback Section and Figure 46 ........... 16
Added Higher Frequency Attenuation Section, Figure 47,
Figure 48, and Figure 49; Renumbered Sequentially ................. 16
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 25
11/08—Revision 0: Initial Version