AD8328

Rev. A | Page 2 of 20

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 .................................................................. 4

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Typical Performance Characteristics ............................................. 8

Applications..................................................................................... 10

General Applications.................................................................. 10

Circuit Description..................................................................... 10

SPI Programming and Gain Adjustment ................................ 10

Input Bias, Impedance, and Termination................................ 10

Output Bias, Impedance, and Termination............................. 10

Power Supply............................................................................... 11

Signal Integrity Layout Considerations................................... 11

Initial Power-Up ......................................................................... 12

RAMP Pin and BYP Pin Features ............................................ 12

Transmit Enable (TXEN) and SLEEP...................................... 12

Distortion, Adjacent Channel Power, and DOCSIS .............. 12

Noise and DOCSIS..................................................................... 12

Evaluation Board Features and Operation.............................. 12

Differential Signal Source ......................................................... 13

Differential Signal from Single-Ended Source ....................... 13

Single-Ended Source.................................................................. 13

Overshoot on PC Printer Ports ................................................ 13

Installing Visual Basic Control Software................................. 13

Running AD8328 Software ....................................................... 14

Controlling Gain/Attenuation of the AD8328 ....................... 14

Transmit Enable and Sleep Mode............................................. 14

Memory Functions..................................................................... 14

Outline Dimensions ....................................................................... 17

Ordering Guide............................................................................... 18

REVISION HISTORY

10/05—Rev. 0 to Rev. A

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

Changes to Table 4............................................................................ 6

Updated Outline Dimensions ....................................................... 17

Changes to Ordering Guide .......................................................... 18

11/02—Revision 0: Initial Version