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AD8143:  HIGH SPEED, TRIPLE DIFFERENTIAL RECEIVER WITH COMPARATORS

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 More

AD8143:  HIGH SPEED, TRIPLE DIFFERENTIAL RECEIVER WITH COMPARATORS

Product Description

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 unshielded twisted pair (UTP) cable applications, including keyboard-video-mouse (KVM).

The excellent common-mode rejection (65 dB @ 10 MHz) of the AD8143 allows for the use of low cost unshielded twisted pair cables in noisy environments.

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 stable at a gain of 1. Closed-loop gain is easily set using external resistors.

The AD8143 is available in a 5 mm x 5 mm, 32-lead LFCSP and is rated to work over the extended industrial temperature range of -40°C to +85°C.

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  • High speed
    160 MHz large signal bandwidth
    1000 V/µs slew rate @ G = 1, Vo = 2 V p-p
  • High CMRR: 65 dB @ 10 MHz
  • High differential input impedance: 5 M Ω
  • 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
  • Low offset: ±3.4 mV on 5 V supply
  • 2 on-chip comparators
  • Small packaging: 32-pin 5 x 5 mm LFCSP
  • -3 dB BW (MHz): 260MHz
  • Minimum Gain (Acl): 1
  • Supply Current : 39mA
  • Slew Rate (V/us): 1000V/µs
  • Package: 32-Lead CSP

Functional Block Diagram for AD8143

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This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
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  • Automotive: -40 to +125 degrees Celsius
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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.