24-разрядный, 8/10-канальный, низковольтный, малопотребляющий сигма-дельта АЦП
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AD7708/18 представляют собой полнофункциональный аналоговый входной интерфейс для схем измерения низкочастотных сигналов. AD7718 включает в себя 24-разрядный сигма-дельта АЦП с программируемым усилителем (PGA) и может быть сконфигурирован для работы с 4/5 полностью дифференциальными входными каналами или 8/10 псевдодифференциальными входными каналами. Два вывода компонента могут быть сконфигурированы как аналоговые входы, либо входы опорного напряжения. AD7708 - это 16-разрядная версия AD7718. АЦП поддерживают непосредственное преобразование входных сигналов в диапазоне напряжений от 20 мВ до 2.56 В. Сигналы могут подаваться на вход компонентов непосредственно от датчика без применения дополнительных схем аналогового преобразования.

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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Product Details

The EVAL-AD7718EBZ is a fully featured evaluation Board for the AD7718. The evaluation board can be connected to a PC via the parallel port. Software is provided enabling the user to perform detailed analysis of the ADC's performance.


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AD7718 Сопутствующие компоненты

Recommended Digital Isolators * For optocoupler alternatives, see our digital isolator selection tables

Recommended Voltage References

  • For precision 1.2V applications with AVdd = 3V , we recommend the AD589, AD1580 or the ADR512 .
  • For precision 2.5V applications with AVdd = 5V , we recommend the AD780, REF43 or the REF192 .

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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.

AD7718 Material Declaration
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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.

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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.