AD8141

更新时间： 2024-11-02 07:18:51

品牌	Logo	应用领域
亚德诺 - ADI		驱动器
页数	文件大小	规格书
24页	451K
描述
Low Cost, Triple Differential Drivers

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AD8141 数据手册

Low Cost, Triple Differential Drivers

for Wideband Video

AD8141/AD8142

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

Triple, high speed differential drivers

255 MHz, −3 dB large signal bandwidth

65 MHz, 0.1 dB flatness

24 23 22 21 20 19

1150 V/μs slew rate

12 ns settling time

AD8141

DIS

/GND

–IN A

OCM

Single 5 V or split supply operation

Fixed gain of 2

Internal common-mode feedback network

Output balance error −50 dB at 50 MHz

AD8142 has integrated sync-on-common-mode circuitry

High-Z output when disabled

S+

S–

–

16 –IN C

15 +IN C

+IN A

/GND

–

/GND

S–

–OUT A

13 –OUT C

10 11 12

Differential-to-differential or single-ended-to-differential

operation

High isolation between amplifiers: −100 dB at 10 MHz

Low power: 44 mA at 5 V

Figure 1.

Available in space-saving packaging: 4 mm × 4 mm LFCSP

24 23 22 21 20 19

AD8142

APPLICATIONS

Keyboard-video-mouse (KVM) networking

Video distribution

Digital signage

DIS

/GND

–IN R

SYNC LEVEL

S+

S–

×2

16 –IN B

15 +IN B

Security cameras

+IN R

/GND

–

/GND

S–

–OUT R

13 –OUT B

GENERAL DESCRIPTION

10 11 12

The AD8141 and AD8142 are triple, low cost, differential or

single-ended-input-to-differential-output drivers. Each amplifier

has a fixed gain of 2 to compensate for the attenuation of the

line termination resistors. The AD8141 and AD8142 are

specifically designed for RGB signals but can be used for any

type of signals. The amplifiers have very fast slew rate and

settling time while being manufactured on a cost effective

CMOS process. They are optimized for high resolution video

performance with a 0.1 dB flatness of 65 MHz, which allows

driving high resolution video over any type of UTP cable.

Figure 2.

The AD8142 includes a unique sync-on-common-mode feature

that allows the user to transmit balanced horizontal and vertical

video sync signals over the three common-mode channels.

Additionally, the AD8141 and AD8142 both have a disable

feature that, when asserted, produces high-Z outputs, allowing

line isolation and easy multiplexing.

The drivers have an internal common-mode feedback loop

that provides output amplitude and phase matching, achieving

−50 dB balance error at 50 MHz and thereby suppressing even-

order harmonics and minimizing radiated electromagnetic

interference (EMI).

The AD8141 and AD8142 are available in a 24-lead 4 mm × 4 mm

LFCSP and operate over a temperature range of −40°C to +85°C.

They can be used with the AD8145 triple differential-to-single-

ended receiver, AD8123 triple equalizer, AD8120 triple delay

line, and the AD8117 or AD8175 crosspoint switches to produce

a high resolution video distribution system.

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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与AD8141相关器件

型号	品牌	获取价格	描述	数据表
AD8141ACPZ-R2	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8141ACPZ-R7	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8141ACPZ-RL	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8142	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8142ACPZ-R2	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8142ACPZ-R7	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8142ACPZ-RL	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8142-EVALZ	ADI	获取价格	Low Cost, Triple Differential Drivers
AD8143	ADI	获取价格	High Speed, Triple Differential Receiver with Comparators
AD8143_16	ADI	获取价格	High Speed, Triple Differential Receiver with Comparators

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