AD7356

Differential Input, Dual, Simultaneous Sampling, 5 MSPS, 12-Bit, SAR ADC
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Product Details

The AD7356 is a dual, 12-bit, high speed, low power, successive approximation ADC that operates from a single 2.5 V power supply and features throughput rates up to 5 MSPS. The part contains two ADCs, each preceded by a low noise, wide bandwidth track-and-hold circuit that can handle input frequencies in excess of 110 MHz.

The conversion process and data acquisition use standard control inputs allowing for easy interfacing to microprocessors or DSPs. The input signal is sampled on the falling edge of CS; a conversion is also initiated at this point. The conversion time is determined by the SCLK frequency.

The AD7356 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With a 2.5 V supply and a 5 MSPS throughput rate, the part consumes typically 14 mA. The part also offers a flexible power/throughput rate management option.

The analog input range for the part is the differential common mode ±VREF/2. The AD7356 has an on-chip 2.048 V reference that can be overdriven when an external reference is preferred.

The AD7356 is available in a 16-lead thin shrink small outline package (TSSOP).

Product Highlights

  1. Two Complete ADC Functions.
    These functions allow simultaneous sampling and conversion of two channels. The conversion result of both channels is simultaneously available on separate data lines or in succession on one data line if only one serial port is available.
  2. High Throughput with Low Power Consumption.
    The AD7356 offers a 5 MSPS throughput rate with 36 mW power consumption.
  3. No Conversion Latency.
    The AD7356 features two standard successive approximation ADCs with accurate control of the sampling instant via a CS input and, once off, conversion control.

Applications

  • Data acquisition systems
  • Motion control
  • I and Q demodulation

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-AD7356EDZ is a fully featured evaluation Kit for the AD7356. 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.

Software & Systems Requirements

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Reference Designs

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Product Recommendations

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AD7356 Companion Parts

Recommended High Accuracy, Precision References - 2.5V

  • For applications requiring the lowest noise performance and output trim adjust , we recommend the ADR441 .
  • For cost sensitive applications , we recommend the AD1582, ADR391, AD8605 or the AD8638 .
  • For high accuracy, low noise, low temperature drift , we recommend the ADR431 .
  • For wide supply applications , we recommend the AD780 .

Recommended Driver Amplifiers

  • For converting single ended to differential signals using a dual amplifier , we recommend the AD8022 or the ADA4932-2 .
  • For differential, low distortion signals , we recommend the AD8138 or the ADA4932-1 .

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.

AD7356 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

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Reviews

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Overview

2 Reviews
2 out of 2 (100%) customers recommend this product.
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Most Helpful Review

by Dandor
Perfect adc device for my personal DSO project. I am really greatful for the free sample to try this device!

All Reviews

by Dandor, 17 Apr 14
Perfect adc device for my personal DSO project!
Perfect adc device for my personal DSO project. I am really greatful for the free sample to try this device!
Was this Helpful?Helpful(1)
by Anonymous, 22 Dec 12
Good selection
The part was match to my requirements, however I had some problem when using 16 or them in parallel. One reason was the sensitivity to clock shape.
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Sample & Buy

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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.


Price Table Help

 
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.