AD8324 Ver la hoja de datos (PDF) - Analog Devices

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AD8324

3.3 V Upstream Cable Line Driver

Analog Devices 

AD8324

TABLE OF CONTENTS

Specifications..................................................................................... 3

Logic Inputs (TTL/CMOS Compatible Logic)......................... 4

Timing Requirements .................................................................. 4

Absolute Maximum Ratings............................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution.................................................................................. 5

Pin Configurations and Functional Descriptions ........................ 6

Typical Performance Characteristics ............................................. 7

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

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

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

Gain Programming for the AD8324 ........................................ 10

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

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

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

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

Initial Power-Up ......................................................................... 11

REVISION HISTORY

7/05—Rev. 0 to Rev. A

Updated Absolute Maximum Ratings Page ...................................5

Updated Outline Dimensions ....................................................... 16

Changes to Ordering Guide .......................................................... 16

Revision 0: Initial Version

RAMP Pin and BYP Pin Features ............................................ 11

Power Saving Features ............................................................... 12

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

Utilizing Diplex Filters............................................................... 12

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

Evaluation Board Features and Operation.............................. 13

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

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

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

Overshoot on PC Printer Ports ................................................ 14

Installing Visual Basic Control Software................................. 14

Running AD8324 Software ....................................................... 14

Controlling Gain/Attenuation of the AD8324 ....................... 14

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

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

Outline Dimensions ....................................................................... 16

Ordering Guide .......................................................................... 16

Rev. A | Page 2 of 16

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