AD790

Fast, Precision Comparator
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Product Details

The AD790 is a fast (45 ns), precise voltage comparator, with a number of features that make it exceptionally versatile and easy to use. The AD790 may operate from either a single +5 V supply or a dual ±15 V supply. In the single-supply mode, the AD790's inputs maybe referred to ground, a feature not found in other comparators. In the dual-supply mode it has the unique ability of handling a maximum differential voltage of 15 V across its input terminals, easing their interfacing to large amplitude and dynamic signals.

The device is fabricated using Analog Devices' Complementary Bipolar (CB) process - which gives the AD790's combination of fast response time and outstanding input voltage resolution (1mV max). To preserve its speed and accuracy, the AD790 incorporates a "low glitch" output stage that does not exhibit the large current spikes normally found in TTL or CMOS output stages. Its controlled switching reduces power supply disturbances that can feed back to the input and cause undesired oscillations. The AD790 also has a latching function which makes it suitable for applications requiring synchronous operation.

The AD790 is available in five performance grades. The AD790J and the AD790K are rated over the commercial temperature range of 0°C to 70°C. The AD790a and AD790B are rated over the industrial temperature range of -40°C to +85°C. The AD790S is rated over the military temperature range of -55°C to +125°C and is available to MIL-STD-883B, Rev. C.

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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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.

AD790 Material Declaration
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Overview

4 Reviews
4 out of 4 (100%) customers recommend this product.
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Most Helpful Review

by Anonymous
The AD790 meets the exacting criteria needed for this particular application and many future designs as well.

Most Recent Review

by Taku
I use AD790 instead of uA710, to repair old instrumentation equipment. AD790 is quick enough and much more stable than uA710 (or LM311). I'll recommend 790 to my coleagues.

All Reviews

by Taku, 14 Aug 14
Excellent High Speed and Stability
I use AD790 instead of uA710, to repair old instrumentation equipment. AD790 is quick enough and much more stable than uA710 (or LM311). I'll recommend 790 to my coleagues.
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by Anonymous, 6 Jul 14
It works not so fast.
It's setting time is more than 450ns,so when we use it,it affects the result a lot.
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by Several, 13 Mar 14
Misc Projects
Misc simple electronic projects. Do not want to divulge details of proprietary design. , .
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by Anonymous, 14 Mar 13
The AD790 has many excellent features and excellent quality that make it an ideal candidate for any project requiring a voltage comparator.
The AD790 meets the exacting criteria needed for this particular application and many future designs as well.
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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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