AD7665

16-Bit 570 kSPS Bipolar PulSAR® ADC
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Product Details

Based on the Pulsar core, the AD7665 is a 16-bit, 570 kSPS, charge redistribution SAR, Analog-to-Digital Converter that operates from a single 5 V power supply. It contains a high-speed 16-Bit sampling ADC, a resistor input scalar, which allows various input ranges, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. The AD7665 is hardware factory calibrated and is comprehensively tested to ensure such ac parameters as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.

It features a very high sampling rate mode (Warp) and, for asynchronous conversion rate applications, a fast mode (Nor-mal) and, for low power applications, a reduced power mode (Impulse) where the power is scaled with the throughput. It is fabricated using Analog Devices’ high-performance, 0.6 micron CMOS process and is available in a 48-lead LQFP with operation specified from -40°C to +85°C.

APPLICATIONS

  • Data Acquisition
  • Communication
  • Instrumentation
  • Spectrum Analysis
  • Medical Instruments
  • Process Control

Product Lifecycle

checked Production

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.

Evaluation Kits

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Product Details

The EVAL-AD7665EDZ is a fully featured evaluation Kit for the AD7665. This board operates in stand alone mode or in conjunction with the Converter Evaluation and Development board, EVAL-CED1Z . When operated with the Converter Evaluation and Development board, software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the Converter Evaluation and Development board.

Documentation

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Product Recommendations

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AD7665 Companion parts

Recommended Precison References - 2.5V

  • For high output current applications , we recommend the ADR431 or the REF192 .
  • For applications requiring the lowest noise performance and output trim adjust , we recommend the ADR441 .
  • For cost sensitive applications , we recommend the AD1582 or the ADR391 .
  • For wide supply applications , we recommend the AD780 .

Recommended Input Buffer Amplifiers

  • For low cost, low power , we recommend the AD8038, ADA4841-1 or the ADA4857-1 .
  • For high speed, low noise and low distortion , we recommend the AD8021 or the ADA4899-1 .
  • For low frequency, low noise and low distortion , we recommend the AD8597 .

Recommended Voltage Regulators

  • For low dropout regulators with inputs up to 5V , we recommend the ADP151 or the ADP160 .
  • For high current switching regulators with inputs up to 5V , we recommend the ADP2114 .

Design Resources

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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.

AD7665 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

Discussions

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AD7665 Discussions

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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.