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AD8122ACPZ-R7

更新时间： 2024-02-23 18:44:41
品牌 Logo 应用领域
亚德诺 - ADI 接口集成电路
页数 文件大小 规格书
21页 532K
描述
Triple Differential Receiver with 300m Adjustable Cable Equalization

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AD8122ACPZ-R7 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：QCCN, LCC40,.24SQ,20
针数：40Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.51接口集成电路类型：LINE RECEIVER
JESD-30 代码：S-PQCC-N40JESD-609代码：e3
湿度敏感等级：3标称负供电电压：-5 V
端子数量：40最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：QCCN封装等效代码：LCC40,.24SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：260电源：+-5 V
认证状态：Not Qualified最大接收延迟：
子类别：Line Driver or Receivers标称供电电压：5 V
表面贴装：YES技术：BIPOLAR
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
Base Number Matches：1

AD8122ACPZ-R7 数据手册

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Triple Differential Receiver with  
300 Meter Adjustable Line Equalization  
Data Sheet  
AD8122  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
V
V
V
OFFSET GAIN  
PEAK  
FILTER  
Compensates cables up to 300 meters for wideband video  
60 MHz equalized BW at 300 meters of UTP cable  
120 MHz equalized BW at 150 meters of UTP cable  
Fast time domain performance  
70 ns settling time to 1% at 300 meters of UTP cable  
7 ns rise/fall times with 2 V step at 300 meters of UTP cable  
3 frequency response gain adjustment pins  
High frequency peaking adjustment (VPEAK  
Output low-pass filter cutoff adjustment (VFILTER  
Broadband flat gain adjustment (VGAIN  
Selectable for UTP or coaxial compensation  
DC output offset adjustment pin (VOFFSET  
Low output offset voltage: 4 mV at G = 1  
Compensates both RGB and YPbPr  
2 on-chip comparators with hysteresis can be used  
for common-mode sync pulse extraction  
Available in 40-lead, 6 mm × 6 mm LFCSP  
COAX/UTP  
–IN  
+IN  
R
OUT  
R
R
GAIN  
R
–IN  
G
OUT  
G
)
+IN  
G
)
GAIN  
OUT  
G
–IN  
+IN  
B
)
B
B
GAIN  
)
B
–IN  
CMP1  
OUT  
OUT  
CMP1  
+IN  
–IN  
CMP1  
CMP2  
CMP2  
+IN  
CMP2  
AD8122  
Figure 1.  
APPLICATIONS  
Keyboard-video-mouse (KVM)  
Digital signage  
RGB video over UTP cables  
Professional video projection and distribution  
HD video  
Security video  
GENERAL DESCRIPTION  
The AD8122 is a high speed, triple differential receiver and  
equalizer that compensates for the transmission losses of UTP  
cables up to 300 meters in length and coaxial cables up to  
200 meters in length. Various gain stages are summed to best  
approximate the inverse frequency response of the cable. Each  
channel features a high impedance differential input with high  
rejection of common-mode (CM) signals that is ideal for inter-  
facing directly with the cable.  
The selection of UTP or coaxial cable compensation responses  
UTP  
left floating in UTP applications. The VOFFSET input allows the  
dc voltage at the output to be adjusted, which can be useful in  
dc-coupled systems.  
is determined by the binary COAX/  
input, which can be  
For added flexibility, the gain of each channel can be set to 1  
or 2 using the associated gain control pin.  
The AD8122 is available in a 6 mm × 6 mm, 40-lead LFCSP  
and is rated to operate over the extended temperature range  
of −40°C to +85°C.  
The AD8122 has two control inputs for optimal cable  
compensation, one LPF control input, an input to select UTP or  
coaxial cable, and an input to adjust the dc output offset. The cable  
compensation inputs are used to compensate for different cable  
lengths: the VPEAK input controls the amount of high frequency  
peaking, and the VGAIN input adjusts the broadband flat gain to  
compensate for the flat cable loss. The VFILTER input controls the  
cutoff frequency of output low-pass filters on each channel.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rightsof third parties that may result fromits use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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AD8122ACPZ-R7 替代型号

型号 品牌 替代类型 描述 数据表
AD8122ACPZ ADI

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 Triple Differential Receiver with 300m Adjustable Cable Equalization

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