參數(shù)資料
型號(hào)： ISL98001CQZ-210
廠商： INTERSIL CORP
元件分類： 消費(fèi)家電
英文描述： Triple Video Digitizer with Digital PLL
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝： 14 x 20 MM, ROHS COMPLIANT, PLASTIC, MS-022, MQFP-128
文件頁數(shù)： 20/29頁
文件大小： 470K
代理商： ISL98001CQZ-210
20
FN6148.0
October 25, 2005
Input Coupling
Inputs can be either AC-coupled (default) or DC-coupled (See
register 0x05[1]). AC coupling is usually preferred since it
allows video signals with substantial DC offsets to be accurately
digitized. The ISL98001 provides a complete internal
DC-restore function, including the DC restore clamp (See
Figure 7) and programmable clamp timing (registers 0x14,
0x15, 0x16, and 0x23).
When AC-coupled, the DC restore clamp is applied every line,
a programmable number of pixels after the trailing edge of
HSYNC. If register 0x05[5] = 0 (the default), the clamp will not
be applied while the DPLL is coasting, preventing any clamp
voltage errors from composite sync edges, equalization pulses,
or Macrovision signals.
After the trailing edge of HSYNC, the DC restore clamp is
turned on after the number of pixels specified in the DC Restore
and ABLC Starting Pixel registers (0x14 and 0x15) has been
reached. The clamp is applied for the number of pixels
specified by the DC Restore Clamp Width Register (0x16). The
clamp can be applied to the back porch of the video, or to the
front porch (by increasing the DC Restore and ABLC Starting
Pixel registers so all the active video pixels are skipped).
If DC-coupled operation is desired, the input to the ADC will be
the difference between the input signal (R
IN
1, for example) and
that channel’s ground reference (RGB
GND
1 in that example).
SOG
For component YPbPr signals, the sync signal is embedded
on the Y channel’s video, which is connected to the green
input, hence the name SOG (Sync on Green). The horizontal
sync information is encoded onto the video input by adding
the sync tip during the blanking interval. The sync tip level is
typically 0.3V below the video black level.
To minimize the loading on the green channel, the SOG input
for each of the green channels should be AC-coupled to the
ISL98001 through a series combination of a 10nF capacitor
and a 500
resistor. Inside the ISL98001, a window
comparator compares the SOG signal with an internal 4-bit
programmable threshold level reference ranging from 0mV to
300mV below the minimum sync level. The SOG threshold
level, hysteresis, and low-pass filter is programmed via
register 0x04. If the Sync-On-Green function is not needed,
the SOG
IN
pin(s) may be left unconnected.
SYNC Processing
The ISL98001 can process sync signals from 3 different
sources: discrete HSYNC and VSYNC, composite sync on
the HSYNC input, or composite sync from a Sync-On-Green
(SOG) signal embedded on the Green video input. The
ISL98001 has SYNC activity detect functions to help the
firmware determine which sync source is available.
Macrovision
The ISL98001 automatically detects the presence of
Macrovision-encoded video. When Macrovision is detected,
it generates a mask signal that is ANDed with the incoming
SOG CSYNC signal to remove the Macrovision before the
HSYNC goes to the PLL. No additional programming is
required to support Macrovision.
If desired (it is never necessary in normal operation), this
function can be disabled by setting the Sync Mask Disable
(register 0x05 bit 6) to a 1.
TABLE 3. YUV MAPPING (4:2:2)
INPUT
SIGNAL
ISL98001
INPUT
CHANNEL
ISL98001
OUTPUT
ASSIGNMENT
OUTPUT
SIGNAL
Y
Green
Green
Y
0
Y
1
Y
2
Y
3
Pb
Blue
Blue
driven low
Pr
Red
Red
U
0
V
1
U
2
V
3
R(GB)
IN
1
CLAMP
GENERATION
R(GB)
GND
1
R(GB)
IN
2
R(GB)
GND
2
VGA1
VGA2
V
IN
+
V
IN
-
DC Restore
Clamp DAC
V
CLAMP
8 bit ADC
Offset
DAC
Fixed
Offset
ABLC
ABLC
Offset
Control
Registers
ABLC
Fixed
Offset
0x00
To
ABLC
Block
To Output
Formatter
10
10
10
8
8
8
8
Automatic Black Level
Compensation (ABLC) Loop
DC Restoration
Input
Bandwidth
PGA
Bandwidth
Control
8
FIGURE 7. VIDEO FLOW (INCLUDING ABLC)
ISL98001
相關(guān)PDF資料
PDF描述
ISL98001CQZ-240 Triple Video Digitizer with Digital PLL
ISL98001CQZ-275 Triple Video Digitizer with Digital PLL
ISL98001 Triple Video Digitizer with Digital PLL
ISL9R1560G2 8A, 600V Stealth Diode(8A，600V Stealth二極管)
ISO213 Two-Port Isolated, Low Profile Isolated Instrumentation Amplifier(兩端口隔離、低外形隔離儀用放大器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL98001CQZ-240 功能描述:IC TRPL VIDEO DIGITIZER 128-MQFP 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
ISL98001CQZ-275 功能描述:IC TRPL VIDEO DIGITIZER 128-MQFP 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
ISL98001CQZ-EVALZ 功能描述:EVALUATION BOARD ISL98001CQZ RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板
ISL98001CQZ-R5296 制造商:Intersil Corporation 功能描述:ISL98001CQZ PB-FREE TRIPLE VIDEO DIGITIZER W/ DIGITAL PLL, T - Trays
ISL98001IQZ-140 功能描述:IC TRPL VIDEO DIGITIZER 128-MQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:電平移位器 應(yīng)用:LCD 電視機(jī)/監(jiān)控器 安裝類型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:28-WQFN（4x4）裸露焊盤 包裝:帶卷 (TR) 其它名稱:296-32523-2TPS65198RUYT-ND
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*