AL875 datasheet(3/34 Pages) ETC

3 / 34 page

AL875

Preliminary version subject to change without notice

January 25, 2001

Contents

1.0 Features___________________________________________________________________ 4

2.0 Applications________________________________________________________________ 4

3.0 General Description _________________________________________________________ 5

4.0 Pinout Diagrams ____________________________________________________________ 6

5.0 Pin Definition and Description ________________________________________________ 6

5.0 Pin Definition and Description ________________________________________________ 7

6.0 Functional Description______________________________________________________ 14

6.1 ADC inputs and conversion _______________________________________________________ 14

6.2 ADC outputs ___________________________________________________________________ 15

6.3 Clock Distribution_______________________________________________________________ 15

6.4 Automatic Positioning Control_____________________________________________________ 16

6.5 Clock Phase Test (for Jitter-reduction)______________________________________________ 18

6.6 I

2C Programming _______________________________________________________________ 19

7.0 Electrical Characteristics ____________________________________________________ 22

7.1 Recommended Operating Conditions _______________________________________________ 22

7.2 DC Characteristics ______________________________________________________________ 22

7.3 AC Characteristics ______________________________________________________________ 22

8.0 AL875 Register Definition ___________________________________________________ 24

8.1 Index of Control Registers ________________________________________________________ 24

8.2 Register Description _____________________________________________________________ 25

9.0 Board Design and Layout Considerations _______________________________________ 31

9.1 Grounding _____________________________________________________________________ 31

9.2 Power Planes and Power Supply Decoupling _________________________________________ 31

9.3 Digital Signal and Clock Interconnect _______________________________________________ 31

9.4 Analog Signal Interconnect _______________________________________________________ 31

10.0 Mechanical Drawing ______________________________________________________ 32

11.0 Power Consumption _______________________________________________________ 33

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