AD7453

Pseudo Differential, 555 kSPS, 12-Bit A/D Converter in 8-Lead SOT-23
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Product Details

The AD7453 is a 12-bit, low-power, successive-approximation (SAR) analog-to-digital converters that features a pseudo differential analog input. This part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 555 kSPS.

The part contains a low-noise, wide bandwidth, differential track and hold amplifier (T/H) which can handle input frequencies in excess of 1 MHz with the -3 dB point being 20 MHz typically. The reference voltage is applied externally to the VREF pin and can be varied from 100 mV to 3.5 V depending on the power supply and what suits the application.

The conversion process and data acquisition are controlled using CS and the serial clock allowing the device to interface with Microprocessors or DSPs. The input signals are sampled on the falling edge of CS and the conversion is also initiated at this point.

The SAR architecture of this part ensures that there are no pipeline delays.

The AD7453 uses advanced design techniques to achieve very low power dissipation at high throughput rates.

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.

Documentation

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Reference Designs

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CN0100 Circuit Diagram

Product Recommendations

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AD7453 Companion parts

Recommended Driver Amplifiers

  • For low noise, low cost, precision amplifiers , we recommend the AD8655, AD8505 or the ADA4051-1 .
  • For low noise, low distortion , we recommend the ADA4940-1 .

Recommended Voltage References

  • For low noise, high accuracy , we recommend the ADR421 or the AD780 .

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.

AD7453 Material Declaration
PCN-PDN Information Quality And Reliability Symbols and Footprints

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AD7453 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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