AD9552

Rev. C | Page 2 of 32

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Basic Block Diagram ........................................................................ 1

Revision History ............................................................................... 2

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

Crystal Input Characteristics ...................................................... 4

Output Characteristics................................................................. 4

Jitter Characteristics..................................................................... 5

Serial Control Port ....................................................................... 6

Serial Control Port Timing ......................................................... 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ............................................. 9

Input/Output Termination Recommendations .......................... 12

Theory of Operation ...................................................................... 13

Preset Frequency Ratios ............................................................ 13

Component Blocks..................................................................... 15

Part Initialization and Automatic Power-On Reset ............... 17

Output/Input Frequency Relationship .................................... 17

Calculating Divider Values ....................................................... 17

Low Dropout (LDO) Regulators .............................................. 18

Applications Information .............................................................. 19

Thermal Performance................................................................ 19

Serial Control Port ......................................................................... 20

Serial Control Port Pin Descriptions....................................... 20

Operation of the Serial Control Port ....................................... 20

Instruction Word (16 Bits) ........................................................ 21

MSB/LSB First Transfers ........................................................... 21

Register Map ................................................................................... 23

Register Map Descriptions........................................................ 24

Outline Dimensions ....................................................................... 30

Ordering Guide .......................................................................... 30

REVISION HISTORY

7/10—Rev. B to Rev. C

Changed Crystal Load Capacitance to 15 pF............. Throughout

Added Conditions Statement to Specifications Section, Supply

Voltage Specifications, and Input Voltage Specifications............ 3

Reformatted Specifications Section (Renumbered Sequentially).....3

Added Input/Output Termination Recommendations Section,

Figure 17, and Figure 18 (Renumbered Sequentially) ............... 13

Moved Preset Frequency Ratios Section ..................................... 13

Changes to Component Blocks Section ...................................... 15

Added Part Initialization and Automatic Power-On

Reset Section ................................................................................... 17

4/10—Rev. A to Rev. B

Changes to Preset Frequency Ratios Section .............................. 12

Moved Table 15 and Changes to Table 15 ................................... 13

Changes to Figure 17...................................................................... 14

Changes to PLL Section, Output Dividers Section, and

Input-to-OUT2 Option Section ............................................... 15

Changes to Output/Input Frequency Relationship Section...... 16

Changes to Table 22 ....................................................................... 23

Changes to Table 26 ....................................................................... 26

9/09—Rev. 0 to Rev. A

Changes to Table 4.............................................................................3

Changes to Table 5.............................................................................4

Added Table 6; Renumbered Sequentially .....................................4

Changes to Figure 5...........................................................................9

Changes to PLL Section................................................................. 14

Changes to Table 22 ....................................................................... 21

Changes to Table 25 ....................................................................... 24

7/09—Revision 0: Initial Version