ADV7281

Data Sheet

Rev. A | Page 2 of 32

TABLE OF CONTENTS

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

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

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

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

Functional Block Diagrams............................................................. 3

Specifications..................................................................................... 4

Electrical Specifications............................................................... 4

Video Specifications..................................................................... 5

Analog Specifications................................................................... 6

Clock and I2C Timing Specifications......................................... 6

MIPI Video Output Specifications (ADV7281-M and

ADV7281-MA Only) ................................................................... 7

Pixel Port Timing Specifications (ADV7281 Only)................. 9

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

Reflow Solder .............................................................................. 10

ESD Caution................................................................................ 10

Pin Configurations and Function Descriptions ......................... 11

Theory of Operation ...................................................................... 14

Analog Front End (AFE) ........................................................... 14

Standard Definition Processor (SDP)...................................... 15

Power Supply Sequencing.............................................................. 16

Optimal Power-Up Sequence.................................................... 16

Simplified Power-Up Sequence ................................................ 16

Power-Down Sequence.............................................................. 16

DVDDIO Supply Voltage ................................................................ 16

Input Networks ............................................................................... 17

Single-Ended Input Network.................................................... 17

Differential Input Network ....................................................... 17

Short-to-Battery Protection ...................................................... 17

Input Configuration ....................................................................... 18

Short-to-Battery (STB) Diagnostics (ADV7281/ADV7281-M

Only) ................................................................................................ 19

Programming the STB Diagnostic Function .......................... 19

Adaptive Contrast Enhancement (ACE)..................................... 21

ITU-R BT.656 Tx Configuration (ADV7281 Only) .................. 22

MIPI CSI-2 Output ........................................................................ 23

I2C Port Description....................................................................... 24

Register Maps.............................................................................. 25

PCB Layout Recommendations.................................................... 27

Analog Interface Inputs ............................................................. 27

Power Supply Decoupling ......................................................... 27

VREFN and VREFP Pins .......................................................... 27

Digital Outputs ........................................................................... 27

Exposed Metal Pad..................................................................... 28

Digital Inputs .............................................................................. 28

MIPI Outputs (D0P, D0N, CLKP, CLKN) (ADV7281-M/

ADV7281-MA only)................................................................... 28

Typical Circuit Connections ......................................................... 29

Outline Dimensions ....................................................................... 32

Ordering Guide .......................................................................... 32

Automotive Products ................................................................. 32

REVISION HISTORY

11/13—Rev. 0 to Rev. A

Changes to Features and General Description Sections.............. 1

Added Figure 1; Renumbered Sequentially .................................. 3

Changes to Table 1............................................................................ 4

Added Pixel Port Timing Specifications (ADV7281 Only)

Section................................................................................................ 9

Added Endnote 1; Table 7 ............................................................. 10

Added Figure 7 and Table 9........................................................... 11

Changes to Theory of Operation Section.................................... 14

Supply Voltage Section................................................................... 16

Changes to Table 13........................................................................ 18

Changes to Programming the STB Diagnostic Function

Section.............................................................................................. 19

Added ITU-R BT.656 Tx Configuration (ADV7281 Only)

Section.............................................................................................. 22

Changes to Register Maps Section ............................................... 25

Changes to Power Supply Decoupling Section and Digital

Outputs Section .............................................................................. 27

Changes to Typical Circuit Connections Section ...................... 29

Updated Outline Dimensions....................................................... 32

Changes to Ordering Guide .......................................................... 32

8/13—Revision 0: Initial Version