adv7180 Analog Devices, Inc., adv7180 Datasheet
adv7180
Manufacturer Part Number
adv7180
Description
10-bit, 4 X Oversampling Sdtv Video Decoder
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADV7180.pdf
(112 pages)
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FEATURES
Worldwide NTSC/PAL/SECAM color demodulation support
One 10-bit ADC, 4× oversampling for CVBS, 2× oversampling
Three video input channels with on-chip antialiasing filter
CVBS (composite), Y/C (S-video), and YPrPb (component)
5-line adaptive comb filters and CTI/DNR video
Adaptive Digital Line Length Tracking (ADLLT™),
Integrated AGC with adaptive peak white mode
Macrovision® copy protection detection
NTSC/PAL/SECAM autodetection
8-bit ITU-R BT.656 YCrCb 4:2:2 output and HS, VS, FIELD
1.0 V analog input signal range
Four general-purpose outputs (GPO)
Full feature VBI data slicer with teletext support (WST)
Power-down mode and ultralow sleep mode current
2-wire serial MPU interface (I
1.8 V analog, 1.8 V PLL, 1.8 V digital, 3.3 V I/O supply
−40°C to +85°C temperature grade
Two package types:
GENERAL DESCRIPTION
The ADV7180 automatically detects and converts standard
analog baseband television signals compatible with worldwide
NTSC, PAL, and SECAM standards into 4:2:2 component video
data compatible with the 8-bit ITU-R BT.656 interface standard.
The simple digital output interface connects gluelessly to a wide
range of MPEG encoders, codecs, mobile video processors, and
Analog Devices, Inc., digital video encoders, such as the
ADV7179. External HS, VS, and FIELD signals provide timing
references for LCD controllers and other video ASICs, if
required
The accurate 10-bit analog-to-digital conversion provides
professional quality video performance for consumer applications
with true 8-bit data resolution. Three analog video input
channels accept standard composite, S-video, or component
video signals, supporting a wide range of consumer video
1
2
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
The ADV7180 LFCSP-40 uses one pin to output VS or FIELD.
ADV7180 LQFP-64 only.
for Y/C mode, and 2× oversampling for YPrPb (per channel)
video input support
enhancement
signal processing, and enhanced FIFO management give
mini-TBC functionality
40-lead, 6 mm × 6 mm, Pb-free LFCSP
64-lead, 10 mm × 10 mm, Pb-free LQFP
2
C® compatible)
2
1
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
APPLICATIONS
Digital camcorders and PDAs
Low-cost SDTV PIP decoder for digital TVs
Multichannel DVRs for video security
AV receivers and video transcoding
PCI-/USB-based video capture and TV tuner cards
Personal media players and recorders
Smartphone/multimedia handsets
In-car/automotive infotainment units
Rearview camera/vehicle safety systems
1
2
sources. AGC and clamp-restore circuitry allow an input video
signal peak-to-peak range up to 1.0 V. Alternatively, these can be
bypassed for manual settings.
The line-locked clock output allows the output data rate, timing
signals, and output clock signals to be synchronous,
asynchronous, or line locked even with ±5% line length
variation. Output control signals allow glueless interface
connections in many applications. The ADV7180 is programmed
via a 2-wire, serial, bidirectional port (I
The ADV7180 is fabricated in a 1.8 V CMOS process. Its
monolithic CMOS construction ensures greater functionality
with lower power dissipation. A chip-scale, 40-lead, Pb-free
LFCSP package option makes the decoder ideal for space-
constrained portable applications. A 64-lead LQFP package is
also available (pin compatible with ADV7181B).
ANALOG
ONLY AVAILABLE ON 64-LEAD PACKAGE.
40-LEAD PACKAGE USES ONE LEAD FOR VS/FIELD.
INPUTS
XTAL1
VIDEO
XTAL
A
A
A
A
A
A
IN
IN
IN
IN
IN
IN
4
5
6
1
2
3
1
1
1
ADV7180
10-Bit, 4× Oversampling
FUNCTIONAL BLOCK DIAGRAM
FILTER
FILTER
FILTER
AA
AA
AA
©2006–2007 Analog Devices, Inc. All rights reserved.
SDTV Video Decoder
CLOCK PROCESSING BLOCK
10-BIT, 86MHz
REFERENCE
SHA
ADC
PLL
Figure 1.
A/D
SCLK SDATA ALSB RESET PWRDWN
ADLLT PROCESSING
PROCESSING
VBI SLICER
2D COMB
DIGITAL
BLOCK
COLOR
DEMOD
I
2
2
C compatible).
C/CONTROL
ADV7180
www.analog.com
LLC
8-BIT/16
PIXEL DATA
P7 TO P0
FIELD
GPO
SFL
INTRQ
VS
HS
1
2
1
-BIT
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