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AD71028JST

Dual Digital BTSC Encoder with Integrated DAC

Analog Devices 

AD71028

TABLE OF CONTENTS

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

DAC Analog Performance........................................................... 3

BTSC Encoder Performance ....................................................... 3

Digital I/O ..................................................................................... 3

Power.............................................................................................. 4

Temperature Range ...................................................................... 4

Digital Timing............................................................................... 4

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

Pin Configuration and Functional Descriptions.......................... 6

Features .............................................................................................. 8

Pin Functions ................................................................................ 8

Signal Processing ............................................................................ 10

Background of BTSC ................................................................. 10

Performance Factors .................................................................. 10

Separation Alignment ................................................................ 10

Phase Linearity of the External Analog Filter......................... 11

REVISION HISTORY

Revision 0: Initial Version

Input Levels ................................................................................. 11

Clock Relationships.................................................................... 11

SPI Port ............................................................................................ 12

Overview ..................................................................................... 12

SPI Address Decoding ............................................................... 12

Parameter RAM.......................................................................... 13

Control Register ......................................................................... 13

Output Level Register ................................................................ 13

Stereo Enhancement Register ................................................... 13

Dialog Enhancement Register .................................................. 13

SPI Read/Write Data Formats .................................................. 14

Initialization ................................................................................ 14

Serial Data Input Port ................................................................ 14

Analog Output Section .................................................................. 16

Outline Dimensions ....................................................................... 17

Ordering Guide .......................................................................... 17

Rev. 0 | Page 2 of 20

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