ADN8831

A High Efficiency TEC Controller Solution
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Product Details

The ADN8831 is a highly integrated solution for controlling the TEC in a laser module used in optical communications systems. It features greater than 90% efficiency and lower than 1% ripple noise together to complete a TEC control function. It also features system-supervising functions such as real temp monitoring, temp lock indication, current limit, switching frequency and phase changeability. Its wave lock input allows Optical equipment designers to build a dual TEC control loop by using both Thermistor and wavelockers. Its 5mm x 5mm tiny chip-scale package saves valuable board space.

The ADN8831 addresses key design challenges:

  • The single inductor output saves lots of board space, which is especially important for small form-factor designs.
  • Integrating the thermistor and compensation amplifiers along with the output protection circuitry lowers the overall cost and size of the design.
  • Because the output FETs are external, designers can choose the appropriate sized FETs for their TEC current requirements. Not only does this provide the best power efficiency, it also provides the best overall cost.

Product Lifecycle

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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

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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.

ADN8831 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.