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参数资料
| 型号： | ADV7181DBCPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO DECODER SD/HD 64LFCSP |
| 标准包装： | 2,500 |
| 系列： | * |
ADV7181D
Data Sheet
Rev. A | Page 12 of 24
FUNCTIONAL OVERVIEW
This section provides a brief description of the functionality
of the ADV7181D. For more information, see the Detailed
Descriptions section.
ANALOG FRONT END
The analog front end of the ADV7181D contains four high
quality, 10-bit ADCs and a multiplexer (mux) with 10 analog
input channels to enable multisource connection without the
requirement of an external multiplexer. The analog front end
also provides the following:
Four current and voltage clamp control loops to ensure
that dc offsets are removed from the video signal
SCART functionality and standard definition (SD) RGB
overlay on CVBS controlled by the fast blank (FB) input
Four internal antialiasing filters to remove out-of-band
noise on standard definition input video signals
STANDARD DEFINITION PROCESSOR (SDP)
PIXEL DATA OUTPUT MODES
The ADV7181D features the following SDP pixel data output
modes:
8-/10-bit ITU-R BT.656 4:2:2 YCrCb with embedded time
codes and/or HS, VS, and FIELD
16-/20-bit 4:2:2 YCrCb with embedded time codes and/or
HS, VS, and FIELD
COMPONENT PROCESSOR (CP) PIXEL DATA
OUTPUT MODES
The ADV7181D features the following CP pixel data output
modes for single data rate (SDR) and double data rate (DDR):
SDR 8-/10-bit 4:2:2 YCrCb for 525i and 625i
SDR 16-/20-bit 4:2:2 YCrCb for all standards
DDR 8-/10-bit 4:2:2 YCrCb for all standards
DDR 12-bit 4:4:4 RGB for graphics inputs
COMPOSITE AND S-VIDEO PROCESSING
Composite and S-Video processing features offer support for
NTSC M/J, NTSC 4.43, PAL B/D/I/G/H, PAL60, PAL M, PAL N,
and SECAM (B, D, G, K, and L) standards in the form of CVBS
and S-Video. Superadaptive, 2D, five-line comb filters for NTSC
and PAL provide superior chrominance and luminance separa-
tion for composite video.
Composite and S-Video processing features also include full auto-
matic detection and autoswitching of all worldwide standards
(PAL, NTSC, and SECAM) and automatic gain control (AGC)
with white peak mode to ensure that the video is always processed
without loss of the video processing range. Other features include
Adaptive Digital Line Length Tracking (ADLLT), a
proprietary architecture for locking to weak, noisy, and
unstable sources from VCRs and tuners
IF filter block to compensate for high frequency luma
attenuation due to tuner SAW filter
Chroma transient improvement (CTI)
Luminance digital noise reduction (DNR)
Color controls including hue, brightness, saturation,
contrast, and Cr and Cb offset controls
Certified Macrovision copy protection detection on
composite and S-Video for all worldwide formats
(PAL/NTSC/SECAM)
4× oversampling (54 MHz) for CVBS, S-Video, and
YUV modes
Line-locked clock (LLC) output
Letterbox detection support
Free-run output mode to provide stable timing when no
video input is present
Vertical blanking interval (VBI) data processor, including
teletext, video programming system (VPS), vertical interval
time codes (VITC), closed captioning (CC), extended data
service (XDS), wide screen signaling (WSS), copy genera-
tion management system (CGMS), and compatibility with
GemStar 1×/2× electronic program guide
Clocked from a single 28.63636 MHz crystal
Subcarrier frequency lock (SFL) output for downstream
video encoder
Differential gain, typically 0.5%
Differential phase, typically 0.5°
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADV7181DWBCPZ | 制造商:AD 制造商全称:Analog Devices 功能描述:10-Bit, 10-Channel, Multiformat SDTV/HDTV |
| ADV7181DWBCPZ-RL | 功能描述:IC VIDEO DECODER SD/HD 64LFCSP RoHS:是 类别:集成电路 (IC) >> 接口 - 编码器，解码器，转换器 系列:* 产品变化通告:Development Systems Discontinuation 26/Apr/2011 标准包装:1 系列:- 类型:编码器 应用:DVB-S.2 系统 电压 - 电源，模拟:- 电压 - 电源，数字:- 安装类型:- 封装/外壳:模块 供应商设备封装:模块 包装:散装 其它名称:Q4645799 |
| ADV7181KCP | 制造商:Analog Devices 功能描述:9-BIT BIT NTSC/PAL/SECAM VIDEO DECODER - Bulk |
| ADV7181KST | 制造商:Analog Devices 功能描述:9-BIT BIT NTSC/PAL/SECAM VIDEO DECODER - Bulk |
| ADV7181WBCPZ | 制造商:AD 制造商全称:Analog Devices 功能描述:10-Bit, Integrated, Multiformat SDTV Video Decoder and RGB Graphics Digitizer |
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