Datasheet > AD8143_16

AD8143_16

更新时间： 2022-02-26 12:46:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	639K
描述
High Speed, Triple Differential Receiver with Comparators

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AD8143_16 数据手册

High Speed, Triple Differential

Receiver with Comparators

Data Sheet

AD8143

FEATURES

PIN CONFIGURATION

High speed

160 MHz large signal bandwidth

1000 V/µs slew rate at G = 1, V_O= 2 V p-p

High CMRR: 65 dB at 10 MHz

High differential input impedance: 5 MΩ

Input common-mode range: 10.5 V ( 12 V supplies)

User-adjustable gain

Wide power supply range: +5 V to 12 V

Fast settling: 8 ns to 1%

Disable feature

GND

REF_G

FB_G

24 GND

OUT_B

OUT_G

OUT_R

IN+_G

IN–_G

REF_R

FB_R

AD8143

S+

Low offset: 3.4 mV on 5 V supply

2 on-chip comparators

Small packaging: 32-lead, 5 mm × 5 mm LFCSP

COMPB_IN+

COMPB_IN–

GND

APPLICATIONS

GND

RGB video receivers

Keyboard-video-mouse (KVM)

Unshielded twisted pair (UTP) receivers

Figure 1.

GENERAL DESCRIPTION

The AD8143 has a wide power supply range from single +5 V

supply to 12 V, which allows for a wide common-mode range.

The wide common-mode input range of the AD8143 maintains

signal integrity in systems where the ground potential is a few

volts different between the drive and receive ends without the

use of isolation transformers.

The AD8143 is a triple, low cost, differential-to-single-

ended receiver specifically designed for receiving red-

green-blue (RGB) signals over twisted pair cable. It can

also be used for receiving any type of analog signal or

high speed data transmission. Two auxiliary comparators

are provided to receive digital or sync signals. The

AD8143 can be used in conjunction with the AD8133

and AD8134 triple, differential drivers to provide a

complete low cost solution for RGB over Category-5

UTP cable applications, including KVM.

The AD8143 is stable at a gain of 1. Closed-loop gain is easily

set using external resistors.

The AD8143 is available in a 5 mm × 5 mm, 32-lead LFCSP and

is rated to work over the extended industrial temperature range

of −40°C to +85°C.

The excellent common-mode rejection (65 dB at

10 MHz) of the AD8143 allows for the use of low cost

unshielded twisted pair cables in noisy environments.

Rev. A

Document Feedback

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 tochange without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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