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| 型號(hào)： | ADV7180KCP32Z |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 62/116頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO DECODER 10BIT 32LFCSP |
| 設(shè)計(jì)資源： | Low Cost Differential Video Receiver Using ADA4851 Amplifier and ADV7180 Video Decoder (CN0060) Low Cost Video Multiplexer for Video Switching Using ADA4853-2 Op Amp with Disable Function (CN0076) |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 視頻解碼器 |
| 應(yīng)用： | 數(shù)碼相機(jī)，手機(jī)，便攜式視頻 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-WFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 32-LFCSP-WQ（5x5） |
| 包裝： | 托盤 |
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Data Sheet
ADV7180
Rev. I | Page 5 of 116
INTRODUCTION
The ADV7180 is a versatile one-chip multiformat video decoder
that automatically detects and converts PAL, NTSC, and SECAM
standards in the form of composite, S-Video, and component
video into a digital ITU-R BT.656 format.
The simple digital output interface connects gluelessly to a wide
range of MPEG encoders, codecs, mobile video processors, and
Analog Devices digital video encoders, such as the ADV7391.
External HS, VS, and FIELD signals provide timing references
for LCD controllers and other video ASICs that do not support the
ITU-R BT.656 interface standard. The different package options
available for the ADV7180 are shown in Table 2.
ANALOG FRONT END
The ADV7180 analog front end comprises a single high speed,
10-bit analog-to-digital converter (ADC) that digitizes the
analog video signal before applying it to the standard definition
processor. The analog front end employs differential channels to
the ADC to ensure high performance in mixed-signal applications.
The front end also includes a 3-channel input mux that enables
multiple composite video signals to be applied to the ADV7180.
Current clamps are positioned in front of the ADC to ensure
that the video signal remains within the range of the converter.
A resistor divider network is required before each analog input
channel to ensure that the input signal is kept within the range
of the ADC (see Figure 29). Fine clamping of the video signal
is performed downstream by digital fine clamping within the
Table 1 shows the three ADC clocking rates that are determined by
the video input format to be processed—that is, INSEL[3:0].
These clock rates ensure 4× oversampling per channel for CVBS
mode and 2× oversampling per channel for Y/C and YPrPb modes.
Table 1. ADC Clock Rates
Input Format
ADC Clock Rate (MHz)1
Oversampling
Rate per Channel
CVBS
57.27
4×
Y/C (S-Video)2
86
2×
YPrPb
86
2×
1
Based on a 28.6363 MHz crystal between the XTAL and XTAL1 pins.
2
See INSEL[3:0] in Table 107 for the mandatory write for Y/C (S-Video) mode.
STANDARD DEFINITION PROCESSOR
The ADV7180 is capable of decoding a large selection of baseband
video signals in composite, S-Video, and component formats.
The video standards supported by the video processor include
PAL B/D/I/G/H, PAL 60, PAL M, PAL N, PAL Nc, NTSC M/J,
NTSC 4.43, and SECAM B/D/G/K/L. The ADV7180 can auto-
matically detect the video standard and process it accordingly.
The ADV7180 has a five-line, superadaptive, 2D comb filter
that gives superior chrominance and luminance separation
when decoding a composite video signal. This highly adaptive filter
automatically adjusts its processing mode according to the video
standard and signal quality without requiring user intervention.
Video user controls such as brightness, contrast, saturation, and
hue are also available with the ADV7180.
The ADV7180 implements a patented ADLLT algorithm to
track varying video line lengths from sources such as a VCR.
ADLLT enables the ADV7180 to track and decode poor quality
video sources such as VCRs and noisy sources from tuner outputs,
VCD players, and camcorders. The ADV7180 contains a chroma
transient improvement (CTI) processor that sharpens the edge
rate of chroma transitions, resulting in sharper vertical transitions.
The video processor can process a variety of VBI data services,
such as closed captioning (CCAP), wide screen signaling (WSS),
copy generation management system (CGMS), EDTV, Gemstar
1×/2×, and extended data service (XDS). Teletext data slicing
for world standard teletext (WST), along with program delivery
control (PDC) and video programming service (VPS), are
provided. Data is transmitted via the 8-bit video output port as
ancillary data packets (ANC). The ADV7180 is fully Macrovision
certified; detection circuitry enables Type I, Type II, and Type III
protection levels to be identified and reported to the user. The
decoder is also fully robust to all Macrovision signal inputs.
Table 2. ADV7180 Selection Guide
Part Number1
Package Type
Analog Inputs
Digital Outputs
Temperature Grade
ADV7180KCP32Z
32-lead LFCSP
3
8-bit
10°C to +70°C
ADV7180WBCP32Z (Automotive)
32-lead LFCSP
3
8-bit
40°C to +85°C
ADV7180BCPZ
40-lead LFCSP
3
8-bit
40°C to +85°C
ADV7180WBCPZ (Automotive)
40-lead LFCSP
3
8-bit
40°C to +125°C
ADV7180BSTZ
64-lead LQFP
6
8-bit/16-bit
40°C to +85°C
ADV7180WBSTZ (Automotive)
64-lead LQFP
6
8-bit/16-bit
40°C to +125°C
ADV7180WBST48Z (Automotive)
48-lead LQFP
6
8-bit
40°C to +85°C
1
W = Automotive qualification completed.
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| ADV7180KCP32Z-RL | 功能描述:IC VIDEO DECODER 10BIT 32LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| ADV7180KST48Z | 功能描述:IC VID DECOD SDTV 10BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| ADV7180KST48Z-RL | 功能描述:視頻 IC 48-Lead Low Profile Quad Flat Package RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| ADV7180WBCP32Z | 制造商:Analog Devices 功能描述:IC, 10-BIT 4X OVERSAMPLING SDTV DECODER 制造商:Analog Devices 功能描述:SDTV VIDEO DECODER 32-PIN LFCSP EP TRAY - Trays |
| ADV7180WBCP32Z-RL | 制造商:Analog Devices 功能描述:10-BIT, 4? OVERSAMPLING SDTV VIDEO DECODER - Tape and Reel |
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