PDF ADV7190 Data sheet ( Hoja de datos )

Número de pieza	ADV7190
Descripción	Video Encoder
Fabricantes	Analog Devices
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No Preview Available ! 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 1 page 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: 0∞C to 70∞C. 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: 0∞C to 70∞C. 3Values in parentheses apply to 2¥ Oversample Mode. Speciﬁcations subject to change without notice. REV. B –5– 5 Page ADV7190/ADV7191 DETAILED DESCRIPTION OF FEATURES Clocking: Single 27 MHz Clock Required to Run the Device 4؋ Oversampling with Internal 54 MHz PLL Square Pixel Operation Advanced Power Management Programmable Video Control Features: Digital Noise Reduction Pedestal level Hue, Brightness, Contrast and Saturation Clamping Output Signal VBI (Vertical Blanking Interval) Subcarrier Frequency and Phase LUMA Delay CHROMA Delay Gamma Correction Luma and Chroma Filters Luma SSAF (Super Subalias Filter) Average Brightness Detection Field Counter Interlaced/Noninterlaced Operation Complete On-Chip Video Timing Generator Programmable Multimode Master/Slave Operation CGMS (Copy Generation Management System) WSS (Wide Screen Signaling) Macrovision 7.1 Rev (ADV7190 Only) Closed Captioning Support Teletext Insertion Port (PAL-WST) 2-Wire Serial MPU Interface I2C Registers Synchronized to VSYNC (continued from page 1) GENERAL DESCRIPTION The ADV7190/ADV7191 is an integrated Digital Video Encoder that converts digital CCIR-601/656 4:2:2 8-bit or 16-bit com- ponent video data into a standard analog baseband television signal compatible with worldwide standards. Six DACs are available on the ADV7190/ADV7191, each of which is capable of providing 4.33 mA of current. In addition to the composite output signal there is the facility to output S-Video (Y/C Video), RGB Video and YUV Video. All YUV formats (Betacam, MII and (SMPTE/EBU N10) are supported. Digital Noise Reduction allows improved picture quality in remov- ing low amplitude, high frequency noise. The block diagram below shows the DNR functionality in the two modes available. Y DATA INPUT DNR MODE DNR CONTROL GAIN BLOCK SIZE CONTROL CORING GAIN DATA BORDER AREA CORING GAIN BORDER BLOCK OFFSET NOISE SIGNAL PATH INPUT FILTER BLOCK MAIN SIGNAL PATH SUBTRACT SIGNAL IN THRESHOLD RANGE FROM ORIGINAL SIGNAL FILTER OUTPUT <THRESHOLD? FILTER OUTPUT> THRESHOLD DNR OUT Y DATA INPUT DNR SHARPNESS MODE DNR CONTROL GAIN BLOCK SIZE CONTROL CORING GAIN DATA BORDER AREA CORING GAIN BORDER BLOCK OFFSET NOISE SIGNAL PATH INPUT FILTER BLOCK ADD SIGNAL ABOVE THRESHOLD RANGE TO ORIGINAL SIGNAL FILTER OUTPUT >THRESHOLD? MAIN SIGNAL PATH FILTER OUTPUT< THRESHOLD DNR OUT Figure 5. Block Diagram for DNR Mode and DNR Sharpness Mode HSYNC VSYNC BLANK RESET TTX TTXREQ P0 P15 CLKIN CLKOUT PAL_NTSC VSO/CLAMP CSO_HSO SCL SDA ALSB VIDEO TIMING GENERATOR TELETEXT INSERTION BLOCK 10 YCrCb Y TO 10 YUV U MATRIX 10 V 10 DNR Y AND 10 GAMMA U CORRECTION 10 V 10 10 10 CGMS/WSS AND CLOSED CAPTIONING CONTROL I2C MPU PORT BRIGHTNESS CONTROL AND ADD SYNC AND INTERPOLATOR PROGRAMMABLE LUMA FILTER AND SHARPNESS FILTER YUV-TO-RGB MATRIX AND YUV LEVEL CONTROL BLOCK SATURATION CONTROL AND ADD BURST AND INTERPOLATOR PROGRAMMABLE CHROMA FILTER MODULATOR AND HUE CONTROL DEMUX REAL-TIME ADV7190/ADV7191 CONTROL PLL CIRCUIT SIN/COS DDS BLOCK SCRESET/RTC/TR Figure 4. Detailed Functional Block Diagram M U L T I P L E X E R I N T E R P O L A T IO NR T E R P O L A T O R 10-BIT DAC 10-BIT DAC 10-BIT DAC DAC CONTROL BLOCK 10-BIT DAC 10-BIT DAC 10-BIT DAC DAC CONTROL BLOCK DAC A DAC B DAC C VREF RSET2 COMP2 DAC D DAC F DAC E RSET1 COMP1 REV. B –11– 11 Page

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