Datasheet > AD8120ACPZ-R2

AD8120ACPZ-R2

更新时间： 2024-09-30 06:36:11

品牌	Logo	应用领域
亚德诺 - ADI		延迟线
页数	文件大小	规格书
16页	458K
描述
Triple Skew-Compensating Video Delay Line with Analog and Digital Control

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AD8120ACPZ-R2 数据手册

Triple Skew-Compensating Video Delay

Line with Analog and Digital Control

AD8120

FEATURES

GENERAL DESCRIPTION

Corrects for unshielded twisted pair (UTP) cable skew

Delay of up to 50 ns per channel

High speed

200 MHz BW @ V_OUT= 1.4 V p-p and 0 ns delay

150 MHz BW @ V_OUT= 1.4 V p-p and 50 ns delay

Excellent channel-to-channel matching

30 mV offset matching RTI

The AD8120 is a triple broadband skew-compensating delay line

that corrects for time mismatch between video signals incurred

by transmission in unshielded twisted pairs of Category 5 and

Category 6 type cables. Skew between the individual pairs exists

in most types of multipair UTP cables due to the different twist

rates that are used for each pair to minimize crosstalk between

pairs. For this reason, some pairs are longer than others, and in

long cables, the difference in propagation time between two pairs

can be well into the tens of nanoseconds.

0.8% gain matching

Low output offset

30 mV RTI

The AD8120 contains three delay paths that provide broadband

delays up to 50 ns, in 0.8 ns increments, using 64 digital control

steps or analog control adjustment. The delay technique used in

the AD8120 minimizes noise and offset at the outputs.

No external circuitry required to correct for offsets

Independent red, green, and blue delay controls

Drives 4 double-terminated video loads

Digital and analog delay control

6-bit SPI bus

I²C bus

Analog voltage control

The bandwidth of the AD8120 ranges from 150 MHz to 200 MHz,

depending on the delay setting. This wide bandwidth makes the

AD8120 ideal for use in applications that receive high resolution

video over UTP cables.

Fixed gain of 2

Low noise

The logic circuitry of the AD8120 provides individual delay con-

trols for each channel. The delay times are set independently

using a standard 4-wire SPI bus or a standard I²C bus, or by

applying analog control voltages to the V_CR, V_CG, and V_CBpins.

Analog control offers a simple solution for systems that do not

have digital control available.

High differential input impedance: 500 kΩ

32-lead, 5 mm × 5 mm LFCSP

APPLICATIONS

Keyboard-video-mouse (KVM)

Digital signage

The AD8120 is designed to be used with the AD8123 triple

UTP equalizer in video over UTP applications, but it can

also be used in other applications where similar controllable

broadband delays are required.

RGB video over UTP cable

Professional video projection and distribution

HD video

Security video

General broadband delay lines

The AD8120 is available in a 5 mm × 5 mm, 32-lead LFCSP

and is rated to operate over the industrial temperature range

of −40°C to +85°C.

FUNCTIONAL BLOCK DIAGRAM

Figure 1.

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

rights of third parties that may result from its 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 and registeredtrademarks arethe 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

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AD8120ACPZ-R2 替代型号

型号	品牌	替代类型	描述	数据表
GS3590-INE3	SEMTECH	功能相似	Telecom Circuit,

与AD8120ACPZ-R2相关器件

型号	品牌	获取价格	描述	数据表
AD8120ACPZ-R7	ADI	获取价格	Triple Skew-Compensating Video Delay Line with Analog and Digital Control
AD8120ACPZ-RL	ADI	获取价格	Triple Skew-Compensating Video Delay Line with Analog and Digital Control
AD8122	ADI	获取价格	Triple Differential Receiver
AD8122ACPZ	ADI	获取价格	Triple Differential Receiver with 300m Adjustable Cable Equalization
AD8122ACPZ-R7	ADI	获取价格	Triple Differential Receiver with 300m Adjustable Cable Equalization
AD8123	ADI	获取价格	Triple Differential Receiver with Adjustable Line Equalization
AD8123ACPZ	ADI	获取价格	Triple Differential Receiver with Adjustable Line Equalization
AD8123ACPZ1	ADI	获取价格	Triple Differential Receiver with Adjustable Line Equalization
AD8123ACPZ-R2	ADI	获取价格	Triple Differential Receiver with Adjustable Line Equalization
AD8123ACPZ-R7	ADI	获取价格	Triple Differential Receiver with Adjustable Line Equalization

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