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What is ADV7191?

This electronic component, produced by the manufacturer "Analog Devices", performs the same function as "Video Encoder".


ADV7191 Datasheet PDF - Analog Devices

Part Number ADV7191
Description Video Encoder
Manufacturers Analog Devices 
Logo Analog Devices Logo 


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a Video Encoders with Six 10-Bit DACs and
54 MHz Oversampling
ADV7190/ADV7191
FEATURES
Six High Quality 10-Bit Video DACs
Multistandard Video Input
Multistandard Video Output
4؋ Oversampling with Internal 54 MHz PLL
Programmable Video Control Includes:
Digital Noise Reduction
Gamma Correction
LUMA Delay
CHROMA Delay
Multiple Luma and Chroma Filters
Luma SSAF™ (Super Subalias Filter)
Average Brightness Detection
Field Counter
Macrovision Rev 7.1 (ADV7190 Only)
CGMS (Copy Generation Management System)
WSS (Wide Screen Signaling)
Closed Captioning Support
Teletext Insertion Port (PAL-WST)
2-Wire Serial MPU Interface
Supply Voltage 5 V and 3.3 V Operation
64-Lead LQFP Package
APPLICATIONS
DVD Playback Systems,
PC Video/Multimedia Playback Systems
GENERAL DESCRIPTION
The ADV7190/ADV7191 is part of the new generation of video
encoders from Analog Devices. The device builds on the perfor-
mance of previous video encoders and provides new features such
as Digital Noise Reduction, Gamma Correction, 4¥ Oversam-
pling and 54 MHz operation, Average Brightness Detection,
Chroma Delay, an additional Chroma Filter, and so on.
The ADV7190/ADV7191 supports NTSC-M, NTSC-N (Japan),
PAL N, PAL M, PAL-B/D/G/H/I, and PAL-60 standards. Input
standards supported include ITU-R.BT656/601 4:2:2 YCrCb
in 8- or 16-bit format.
The ADV7190/ADV7191 can output Composite Video (CVBS),
S-Video (Y/C), Component YUV1, or RGB. The analog
component output is also compatible with Betacam, MII and
SMPTE/EBU N10 levels, SMPTE 170M NTSC, and ITU-
R.BT 470 PAL.
For more information about the ADV7190/ADV7191’s features,
refer to Detailed Description.
Continued on page 11
SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM
DIGITAL
INPUT
27MHz
CLOCK
ITU–R.BT
656/601
8-BIT YCrCb
IN 4:2:2 FORMAT
VIDEO
INPUT
PROCESSING
VIDEO
SIGNAL
PROCESSING
VIDEO
OUTPUT
PROCESSING
PLL
AND
54MHz
DEMUX
AND
YCrCb–
TO–
YUV
MATRIX
COLOR CONTROL
DNR
GAMMA
CORRECTION
VBI
TELETEXT
CLOSED CAPTION
CGMS/WSS
MACROVISION
CHROMA
LPF
SSAF
LPF
LUMA
LPF
2؋
OVERSAMPLING
OR
4؋
OVERSAMPLING
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
I2C INTERFACE
ADV7190/ADV7191
ANALOG
OUTPUT
COMPOSITE VIDEO
Y [S-VIDEO]
C [S-VIDEO]
RGB
YUV
TVSCREEN
1Throughout the document, YUV refers to digital or analog component video.
The Macrovision anticopy process is licensed for noncommercial home use only, which is its sole intended use in the device. Please contact sales office for latest available Macrovision version.
ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations).
SSAF is a trademark of Analog Devices Inc.
I2C is a registered trademark of Philips Corporation.
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002

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ADV7191 equivalent
ADV7190/ADV7191
5 V DYNAMIC–SPECIFICATIONS1
(VAA = 5 V ؎ 250 mV, VREF = 1.235 V, RSET1,2 = 1200 ,
specifications TMIN to TMAX2, unless otherwise noted.)
unless
otherwise
noted.
All
Parameter
Differential Gain3
Differential Phase3
SNR (Pedestal)3
SNR (Ramp)3
Hue Accuracy
Color Saturation Accuracy
Chroma Nonlinear Gain
Chroma Nonlinear Phase
Chroma/Luma Intermod
Chroma/Luma Gain Ineq
Chroma/Luma Delay Ineq
Luminance Nonlinearity
Chroma AM Noise
Chroma PM Noise
Min
61.7 (61.7)
62 (63)
Typ
0.1 (0.4)
0.4 (0.15)
78.5 (78)
78 (78)
Max
0.3 (0.5)
0.5 (0.3)
0.5
0.7
0.7 0.9
0.5
0.1
1.7
2.2
0.6 0.7
82
72
Unit
%
Degrees
dB rms
dB p-p
dB rms
dB p-p
Degrees
%
±%
± Degrees
±%
±%
ns
±%
dB
dB
Test Conditions
RMS
Peak Periodic
RMS
Peak Periodic
Referenced to 40 IRE
NOTES
1All measurements are made in 4¥ Oversampling Mode unless otherwise specified.
2Temperature range TMIN to TMAX: 0C to 70C.
3Values in parentheses apply to 2¥ Oversampling Mode.
Specifications subject to change without notice.
3.3 V DYNAMIC–SPECIFICATIONS1
(VAA = 3.3 V ؎ 150 mV, VREF = 1.235 V, RSET1,2 = 1200 , unless otherwise noted. All
specifications TMIN to TMAX2, unless otherwise noted.)
Parameter
Differential Gain3
Differential Phase3
SNR (Pedestal)3
SNR (Ramp)3
Hue Accuracy
Color Saturation Accuracy
Chroma Nonlinear Gain
Chroma Nonlinear Phase
Chroma/Luma Intermod
Luminance Nonlinearity
Chroma AM Noise
Chroma PM Noise
Min
62.3 (62)
61 (62.5)
Typ
0.2 (0.5)
0.5 (0.2)
78.5 (78)
78 (78)
Max
0.5
0.8
0.6
0.5
0.1
0.6
83
71
Unit
%
Degrees
dB rms
dB p-p
dB rms
dB p-p
Degrees
%
±%
± Degrees
±%
±%
dB
dB
Test Conditions
RMS
Peak Periodic
RMS
Peak Periodic
Referenced to 40 IRE
NOTES
1All measurements are made in 4¥ Oversampling Mode unless otherwise specified.
2Temperature range TMIN to TMAX: 0C to 70C.
3Values in parentheses apply to 2¥ Oversample Mode.
Specifications subject to change without notice.
REV. B
–5–


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Featured Datasheets

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ADV7192The function is Video Encoder with Six 10-Bit DACs/ 54 MHz Oversampling and Progressive Scan Inputs. Analog DevicesAnalog Devices

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