Video Decoder. ADV7281 Datasheet

ADV7281 Decoder. Datasheet pdf. Equivalent

ADV7281 Datasheet
Recommendation ADV7281 Datasheet
Part ADV7281
Description 4x Oversampled SDTV Video Decoder
Feature ADV7281; Data Sheet 10-Bit, 4× Oversampled SDTV Video Decoder with Differential Inputs ADV7281 FEATURES Wor.
Manufacture Analog Devices
Datasheet
Download ADV7281 Datasheet




Analog Devices ADV7281
Data Sheet
10-Bit, 4× Oversampled SDTV Video
Decoder with Differential Inputs
ADV7281
FEATURES
Worldwide NTSC/PAL/SECAM color demodulation support
One 10-bit analog-to-digital converter (ADC), 4× oversampling
per channel for CVBS, Y/C, and YPrPb modes
Analog video input channels with on-chip antialiasing filter
ADV7281: up to 4 input channels
ADV7281-M: up to 6 input channels
ADV7281-MA: up to 8 input channels
Video input support for CVBS (composite), Y/C (S-Video),
and YPrPb (component)
Fully differential, pseudo differential, and single-ended
CVBS video input support
NTSC/PAL/SECAM autodetection
Short-to-battery (STB) diagnostics on 2 video inputs
(ADV7281 and ADV7281-M only)
Up to 4 V common-mode input range solution
Excellent common-mode noise rejection capabilities
5-line adaptive 2D comb filter and CTI video enhancement
Adaptive Digital Line Length Tracking (ADLLT), signal
processing, and enhanced FIFO management provide
mini-time base correction (TBC) functionality
Integrated automatic gain control (AGC) with adaptive
peak white mode
Fast switching capability
Adaptive contrast enhancement (ACE)
Down dither (8-bit to 6-bit)
Rovi (Macrovision) copy protection detection
MIPI CSI-2 output interface (ADV7281-M and ADV7281-MA)
8-bit ITU-R BT.656 YCrCb 4:2:2 output (ADV7281)
Full featured vertical blanking interval (VBI) data slicer
Power-down mode available
2-wire, I2C-compatible serial interface
Qualified for automotive applications
−40°C to +105°C temperature grade
32-lead, 5 mm × 5 mm, RoHS-compliant LFCSP
APPLICATIONS
Smartphone/multimedia handsets
Automotive infotainment
DVRs for video security
Media players
GENERAL DESCRIPTION
The ADV7281/ADV7281-M/ADV7281-MA are versatile
one-chip, multiformat video decoders. The ADV7281/
ADV7281-M/ADV7281-MA automatically detect standard
analog baseband video signals compatible with worldwide
NTSC, PAL, and SECAM standards in the form of composite,
S-Video, and component video.
The ADV7281 converts the analog video signals into a YCrCb
4:2:2 video data stream that is compatible with the 8-bit ITU-R
BT.656 interface standard.
The ADV7281-M/ADV7281-MA convert the analog video
signals into an 8-bit YCrCb 4:2:2 video data stream that is
output over a mobile industry processor interface (MIPI®)
CSI-2 interface.
The analog video inputs of the ADV7281/ADV7281-M/
ADV7281-MA accept single-ended, pseudo differential, and
fully differential signals. The ADV7281 provides four analog
inputs and two STB diagnostic pins. The ADV7281-M provides
six analog inputs, two STB diagnostic pins, and three general-
purpose outputs. The ADV7281-MA provides eight analog
inputs and three general-purpose outputs.
The ADV7281/ADV7281-M/ADV7281-MA are programmed
via a 2-wire, serial bidirectional port (I2C compatible) and
are fabricated in a 1.8 V CMOS process. The ADV7281/
ADV7281-M/ADV7281-MA are provided in space-saving
LFCSP surface-mount, RoHS-compliant packages. The
ADV7281/ADV7281-M/ADV7281-MA are rated over the
−40°C to +105°C temperature range. This makes the ADV7281/
ADV7281-M/ADV7281-MA ideal for automotive applications.
Rev. B
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Technical Support
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Analog Devices ADV7281
ADV7281* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
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EVALUATION KITS
ADV7281MAEBZ Evaluation Board
ADV7281MEBZ Evaluation Board
DOCUMENTATION
Application Notes
AN-1260: Crystal Design Considerations for Video
Decoders, HDMI Receivers, and Transceivers
AN-1337: Design Considerations for Connecting Analog
Devices Video Decoders to MIPI CSI-2 Receivers
Data Sheet
ADV7281: 10-Bit, 4× Oversampled SDTV Video Decoder
with Differential Inputs Data Sheet
User Guides
UG-637: ADV7280/ADV7281/ADV7282/ADV7283
Functionality and Features
TOOLS AND SIMULATIONS
ADV7281 IBIS Model
ADV7281M IBIS Model
ADV7281MA IBIS Model
DESIGN RESOURCES
ADV7281 Material Declaration
PCN-PDN Information
Quality And Reliability
Symbols and Footprints
DISCUSSIONS
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SAMPLE AND BUY
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TECHNICAL SUPPORT
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number.
DOCUMENT FEEDBACK
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Analog Devices ADV7281
ADV7281
Data Sheet
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
REVISION HISTORY
4/14—Rev. A to Rev. B
Changes to General Description Section ...................................... 1
Changed Single-Ended CVBS Input from 35 mA to 47 mA ...... 4
Changes to Table 7.......................................................................... 10
Changes to Theory of Operation Section.................................... 14
Changes to DVDDIO Supply Voltage................................................ 16
Changes to Short-to-Battery Protection Section........................ 17
Changes to Ordering Guide .......................................................... 32
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
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
Added Figure 7 and Table 9 .......................................................... 11
Changes to Theory of Operation Section.................................... 14
Changes to Optimal Power-Up Sequence Section and DVDDIO
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
Rev. B | Page 2 of 32







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