Datasheet

AD8324 Data Sheet
Rev. B | Page 2 of 16
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Logic Inputs (TTL-/CMOS-Compatible Logic) ....................... 4
Timing Requirements .................................................................. 5
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Test Circuit ...................................................................................... 11
Applications Information .............................................................. 12
General Applications .................................................................. 12
Circuit Description..................................................................... 12
Gain Programming for the AD8324 ........................................ 12
Input Bias, Impedance, and Termination ................................ 12
Output Bias, Impedance, and Termination ............................ 12
Power Supply ............................................................................... 13
Signal Integrity Layout Considerations ................................... 13
Initial Power-Up ......................................................................... 13
RAMP Pin and BYP Pin Features ............................................ 13
Power Saving Features ............................................................... 14
Distortion, Adjacent Channel Power, and DOCSIS .............. 14
Utilizing Diplex Filters .............................................................. 14
Noise and DOCSIS ..................................................................... 14
Differential Signal Source ......................................................... 15
Differential Signal from Single-Ended Source ....................... 15
Single-Ended Source .................................................................. 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 16
REVISION HISTORY
7/13—Rev. A to Rev. B
Changes to General Description Section ...................................... 1
Changes to Table 6 ............................................................................ 7
Added Test Circuits Section .......................................................... 11
Changed Applications Section to Applications
Information Section ....................................................................... 12
Changes to Output Bias, Impedance, and
Termination Section ....................................................................... 12
Deleted Evaluation Board Features and Operation Section ..... 13
Deleted Overshoot on PC Printer Ports Section, Installing
Visual Basic Control Software Section, Running AD8324
Software Section, Figure 27; Renumbered Sequentially,
Controlling Gain/Attenuation of the AD8324 Section,
Figure 28, Transmit Enable and Sleep Mode Section, and
Memory Functions Section ........................................................... 14
Changes to Distortion, Adjacent Channel Power, and
DOCSIS Section and Noise and DOCSIS Section ..................... 14
Deleted Figure 29 ............................................................................ 15
Changes to Differential Signal from Single-Ended Source
Section, Single-Ended Source Section, Figure 26, and
Table 8 .............................................................................................. 15
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 16
7/05—Rev. 0 to Rev. A
Updated Absolute Maximum Ratings Page ................................... 5
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 16
10/03—Revision 0: Initial Version