AD8340

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

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

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Descriptions............................. 5

Typical Performance Characteristics ............................................. 6

Theory of Operation ...................................................................... 10

RF Quadrature Generator ......................................................... 10

I-Q Attenuators and Baseband Amplifiers.............................. 11

Output Amplifier ........................................................................ 11

Noise and Distortion.................................................................. 11

Gain and Phase Accuracy.......................................................... 11

RF Frequency Range .................................................................. 11

Applications..................................................................................... 12

Using the AD8340 ...................................................................... 12

RF Input and Matching ............................................................. 12

RF Output and Matching .......................................................... 13

Driving the I-Q Baseband Controls......................................... 13

Interfacing to High Speed DACs.............................................. 14

CDMA2000 Application............................................................ 14

Evaluation Board ............................................................................ 16

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 20

REVISION HISTORY

6/04—Revision 0: Initial Version