Table of Contents
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TABLE OF CONTENTS
Specifications..................................................................................... 3
Tx Path Specifications.................................................................. 3
Rx Path Specifications.................................................................. 4
Power Supply Specifications ....................................................... 5
Digital Specifications ................................................................... 6
Serial Port Timing Specifications............................................... 7
Specifications ................................................................................ 7
Specifications ................................................................................ 8
Explanation of Test Levels........................................................... 8
Absolute Maximum Ratings............................................................ 9
Thermal Characteristics .............................................................. 9
ESD Caution.................................................................................. 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 12
Rx Path Typical Performance Characteristics ........................ 12
TxDAC Path Typical Performance Characteristics ............... 16
IAMP Path Typical Performance Characteristics .................. 18
Serial Port ........................................................................................ 19
Register Map Description ......................................................... 21
Serial Port Interface (SPI) ......................................................... 21
Digital Interface .............................................................................. 23
Half-Duplex Mode ..................................................................... 23
Full-Duplex Mode ...................................................................... 24
RxPGA Control .......................................................................... 25
TxPGA Control .......................................................................... 27
Transmit Path .................................................................................. 28
Digital Interpolation Filters ...................................................... 28
REVISION HISTORY
Changes to Specifications Tables .................................................... 3
Changes to Serial Table .................................................................. 19
Changes to Full Duplex Mode section......................................... 24
Changes to Table 14........................................................................ 25
TxDAC and IAMP Architecture .............................................. 28
Tx Programmable Gain Control .............................................. 30
TxDAC Output Operation........................................................ 30
IAMP Current-Mode Operation.............................................. 30
IAMP Voltage-Mode Operation .............................................. 31
IAMP Current Consumption Considerations........................ 32
Receive Path .................................................................................... 33
Rx Programmable Gain Amplifier........................................... 33
Low-Pass Filter ........................................................................... 34
Analog-to-Digital Converter (ADC)....................................... 35
AGC Timing Considerations.................................................... 36
Clock Synthesizer ........................................................................... 37
Power Control and Dissipation .................................................... 39
Power-Down ............................................................................... 39
Half-Duplex Power Savings ...................................................... 39
Power Reduction Options......................................................... 40
Power Dissipation ...................................................................... 42
Mode Select upon Power-Up and Reset.................................. 42
Analog and Digital Loopback Test Modes.............................. 43
PCB Design Considerations.......................................................... 44
Component Placement.............................................................. 44
Power Planes and Decoupling .................................................. 44
Ground Planes ............................................................................ 44
Signal Routing ............................................................................ 44
Evaluation Board ............................................................................ 46
Outline Dimensions ....................................................................... 47
Ordering Guide .......................................................................... 47
Change to TxDAC and IAMP Architecture section .................. 29
Change to TxDAC Output Operation section............................ 30
Insert equation................................................................................ 37
Change to Figure 84 caption ......................................................... 42
11/03-Revision 0: Initial Version
Rev. A | Page 2 of 48
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