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| 型号： | AD9882KSTZ-100 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/40页 |
| 文件大小： | 0K |
| 描述： | IC INTERFACE/DVI 100MHZ 100LQFP |
| 标准包装： | 1 |
| 应用： | 视频 |
| 接口： | 模拟，DVI |
| 电源电压： | 3.15 V ~ 3.45 V |
| 封装/外壳： | 100-LQFP |
| 供应商设备封装： | 100-LQFP（14x14） |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
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AD9882A
Rev. 0 | Page 10 of 40
FILT—External Filter Connection
For proper operation, the pixel clock generator PLL requires an
external filter. Connect the filter as shown in Figure 8 to this
pin. For optimal performance, minimize noise and parasitics on
this node.
REFBYPASS—Internal Reference Bypass
Bypass for the internal 1.25 V band gap reference. It should be
connected to ground through a 0.1 F capacitor.
The absolute accuracy of this reference is ±4%, and the temp-
erature coefficient is ±50 ppm, which is adequate for most
AD9882A applications. If higher accuracy is required, an
external reference can be employed instead.
MIDBYPASS—Midscale Voltage Reference Bypass
Bypass for the internal midscale voltage reference. It should be
connected to ground through a 0.1 F capacitor. The exact
voltage varies with the gain setting of the red channel.
HSOUT—Horizontal Sync Output
A reconstructed and phase-aligned version of the Hsync input.
The duration of Hsync can be programmed only on the analog
interface, not the digital.
DATACK—Data Output Clock
The data clock output signal is used to clock the output data
and HSOUT into external logic. It is produced by the internal
clock generator and is synchronous with the internal pixel
sampling clock.
When the sampling time is changed by adjusting the phase
register, the output timing is shifted as well. The data bits,
DATACK, and HSOUT outputs are all moved, so the timing
relationship among the signals is maintained.
VSOUT—Vertical Sync Output
The separated Vsync from a composite signal or a direct pass-
through of the Vsync input. The polarity of this output can be
controlled via Register 0x10, Bit 2. The placement and duration
in all modes is set by the graphics transmitter.
RED—Data Output, Red Channel
GREEN—Data Output, Green Channel
BLUE—Data Output, Blue Channel
These are the main data outputs. Bit 7 is the MSB.
The delay from pixel sampling time to output is fixed. When the
sampling time is changed by adjusting the phase register, the
output timing is shifted as well. The DATACK and HSOUT
outputs are also moved, so the timing relationship among the
signals is maintained. See the Timing Diagrams section for
more information.
POWER SUPPLY
VD—Main Power Supply
These pins supply power to the main elements of the circuit.
They should be as quiet as possible.
VDD—Digital Output Power Supply
A large number of output pins (up to 25) switching at high
speed (up to 140 MHz) generates a lot of power supply transi-
ents. These supply pins are identified separately from the VD
pins, so special care must be taken to minimize output noise
transferred into the sensitive analog circuitry.
If the AD9882A is interfacing with lower voltage logic, VDD can
be connected to a lower supply voltage (as low as 2.2 V) for
compatibility.
PVD—Clock Generator Power Supply
The most sensitive portion of the AD9882A is the clock gener-
ation circuitry. These pins provide power to the clock PLL and
help the user design for optimal performance. The designer
should provide noise-free power to these pins.
GND—Ground
The ground return for all circuitry on-chip. It is recommended
that the AD9882A be assembled on a single solid ground plane,
with careful attention to ground current paths.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9882KSTZ-140 | 功能描述:IC INTERFACE/DVI 100MHZ 100LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 专用 系列:- 特色产品:NXP - I2C Interface 标准包装:1 系列:- 应用:2 通道 I²C 多路复用器 接口:I²C，SM 总线 电源电压:2.3 V ~ 5.5 V 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:剪切带 (CT) 安装类型:表面贴装 产品目录页面:825 (CN2011-ZH PDF) 其它名称:568-1854-1 |
| AD9883 | 制造商:AD 制造商全称:Analog Devices 功能描述:110 MSPS Analog Interface for Flat Panel Displays |
| AD9883/PCB | 制造商:AD 制造商全称:Analog Devices 功能描述:110 MSPS Analog Interface for Flat Panel Displays |
| AD9883A | 制造商:AD 制造商全称:Analog Devices 功能描述:110 MSPS/140 MSPS Analog Interface for Flat Panel Displays |
| AD9883A/PCB | 制造商:Analog Devices 功能描述:110MHZ ANALOG INTERFACE FOR SG |
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