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EVAL-AD8143 ブロック図


The AD8143 and AD8145 are triple, low cost, differential to single-ended receivers, specifically designed for receiving red, green, and blue (RGB) signals over a twisted pair cable or differential printed circuit board (PCB) traces. These products can also receive any type of analog signal or high speed data transmission. Two auxiliary comparators with hysteresis are provided on both products to decode video sync signals encoded on the received common-mode voltages. These comparators receive digital signals or can be used as general-purpose comparators.

The AD8143 and AD8145 can be used in conjunction with the AD8133 and AD8134 triple differential drivers to provide a complete, low cost solution for RGB signals over Category-5 (Cat-5) UTP cable applications, including keyboards, videos, and mouses (KVM). The excellent common-mode rejection of both the AD8143 and AD8145 allows 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 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 driver and receiver ends without using isolation transformers. The AD8143 is stable at a gain of 1. Closed-loop gain is easily set using external resistors.

The AD8145 can be configured for a differential to single-ended gain of 1 or 2 by connecting the GAIN_x pin of each channel to the respective output (gain = 1), or by connecting it to a reference voltage (gain = 2), which is normally grounded. On the AD8145, a REF_x input is provided on each channel that allows designers to level shift the output signals.

Both the AD8143 and AD8145 are available in a 5 mm × 5 mm, 32-lead LFCSP. The AD8143 is rated to work over the extended industrial temperature range of −40°C to +85°C, while the AD8145 can work over the extended industrial temperature range of −40°C to +105°C. Only the AD8145 has an automotive grade version that is qualified for use in automotive applications.


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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

AD8143 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints



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評価用ボード 表示されている価格は、1個あたりの価格です。
価格は1個当たりの米ドルで、米国内における販売価格(FOB)で表示されておりますので、予算のためにのみご使用いただけます。 また、その価格は変更されることがあります。米国以外のお客様への価格は、輸送費、各国の税金、手数料、為替レートにより決定されます。価格・納期等の詳細情報については、弊社正規販売代理店または担当営業にお問い合わせください。なお、 評価用ボードおよび評価用キットの表示価格は1個構成としての価格です。