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參數資料
| 型號： | ADN2812ACP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數字傳輸電路 |
| 英文描述： | Continuous Rate 12.3 Mb/s to 2.7 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp |
| 中文描述： | CLOCK RECOVERY CIRCUIT, QCC32 |
| 封裝： | 5 X 5 MM, MO-220VHHD-2, LFCSP-32 |
| 文件頁數： | 15/28頁 |
| 文件大小： | 478K |
| 代理商： | ADN2812ACP |
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ADN2812
At medium jitter frequencies, the gain and tuning range of the
VCO are not large enough to track input jitter. In this case, the
VCO control voltage becomes large and saturates, and the VCO
frequency dwells at one extreme of its tuning range or the other.
The size of the VCO tuning range, therefore, has only a small
effect on the jitter accommodation. The delay-locked loop
control voltage is now larger, and so the phase shifter takes on
the burden of tracking the input jitter. The phase shifter range,
in UI, can be seen as a broad plateau on the jitter tolerance
curve. The phase shifter has a minimum range of 2 UI at all
data rates.
Rev. 0 | Page 15 of 28
The gain of the loop integrator is small for high jitter
frequencies, so that larger phase differences are needed to make
the loop control voltage big enough to tune the range of the
phase shifter. Large phase errors at high jitter frequencies
cannot be tolerated. In this region, the gain of the integrator
determines the jitter accommodation. Because the gain of the
loop integrator declines linearly with frequency, jitter accom-
modation is lower with higher jitter frequency. At the highest
frequencies, the loop gain is very small, and little tuning of the
phase shifter can be expected. In this case, jitter accommodation
is determined by the eye opening of the input data, the static
phase error, and the residual loop jitter generation. The jitter
accommodation is roughly 0.5 UI in this region. The corner
frequency between the declining slope and the flat region is
the closed loop bandwidth of the delay-locked loop, which is
roughly 3 MHz at OC-48.
相關PDF資料 |
PDF描述 |
|---|---|
| ADN2812ACP-RL | Continuous Rate 12.3 Mb/s to 2.7 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp |
| ADN2812ACP-RL7 | Continuous Rate 12.3 Mb/s to 2.7 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp |
| ADN2819 | Multirate to 2.7 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp |
| ADN2819ACP-CML | Multirate to 2.7 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp |
| ADN2819ACP-CML-RL | Multirate to 2.7 Gb/s Clock and Data Recovery IC with Integrated Limiting Amp |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADN2812ACP-RL | 制造商:Analog Devices 功能描述:Clock and Data Recovery 32-Pin LFCSP EP T/R |
| ADN2812ACP-RL7 | 制造商:Analog Devices 功能描述:Clock and Data Recovery 32-Pin LFCSP EP T/R |
| ADN2812ACPZ | 功能描述:IC CLOCK/DATA RECOVERY 32LFCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:1 系列:- 類型:時鐘/頻率發生器，多路復用器 PLL:是 主要目的:存儲器，RDRAM 輸入:晶體 輸出:LVCMOS 電路數:1 比率 - 輸入:輸出:1:2 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3 V ~ 3.6 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:Digi-Reel® 其它名稱:296-6719-6 |
| ADN2812ACPZ-RL | 功能描述:IC CLOCK/DATA RECOVERY 32LFCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:28 系列:- 類型:時鐘/頻率發生器 PLL:是 主要目的:Intel CPU 服務器 輸入:時鐘 輸出:LVCMOS 電路數:1 比率 - 輸入:輸出:3:22 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:64-TFSOP （0.240"，6.10mm 寬） 供應商設備封裝:64-TSSOP 包裝:管件 |
| ADN2812ACPZ-RL7 | 功能描述:IC CLOCK/DATA RECOVERY 32LFCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:28 系列:- 類型:時鐘/頻率發生器 PLL:是 主要目的:Intel CPU 服務器 輸入:時鐘 輸出:LVCMOS 電路數:1 比率 - 輸入:輸出:3:22 差分 - 輸入:輸出:無/是 頻率 - 最大:400MHz 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:64-TFSOP （0.240"，6.10mm 寬） 供應商設備封裝:64-TSSOP 包裝:管件 |
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