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AD8313:  0.1 - 2.5 GHZ, 70 DB LOGARITHMIC DETECTOR / CONTROLLER

The AD8313 is an RF logarithmic detector and controller, with response extending from 0.1 to 2.5 GHz. The device is capable of accurately converting a modulated RF signal at its differential input to an equivalent decibel-scaled value at its dc output. The dynamic range is up to 70 dB with ±3 dB accuracy, or 62 dB to ±1 dB. The AD8313 is useful for RF transmitter and receiver power measurement and ...More

AD8313:  0.1 - 2.5 GHZ, 70 DB LOGARITHMIC DETECTOR / CONTROLLER

Product Description

The AD8313 is an RF logarithmic detector and controller, with response extending from 0.1 to 2.5 GHz. The device is capable of accurately converting a modulated RF signal at its differential input to an equivalent decibel-scaled value at its dc output. The dynamic range is up to 70 dB with ±3 dB accuracy, or 62 dB to ±1 dB. The AD8313 is useful for RF transmitter and receiver power measurement and control applications. It is offered in a small eight-pin micro-SO package. Its application requires only the provision of a 2.7 V to 5.5 V power supply, along with input coupling and power supply decoupling capacitors.

An evaluation board is available for this product and may be ordered using the following product number: AD8313-EVAL. Schematic and layout for this evaluation board is contained in the product datasheet.

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  • Operating frequency: 0.1 GHz to 3.5 GHz
  • High dynamic range: 70 dB to ±3.0 dB
  • High accuracy: ±1.0 dB over 65 dB range (@ 1.9 GHz)
  • Fast response: 40 ns full-scale typical
  • Controller mode with error output
  • Scaling stable over supply and temperature
  • Wide supply range: 2.7 V to 5.5 V
  • Low power: 13.7 mA at 5 V
  • Power-down feature: 20 µA at 3 V
  • RF Frequency (MHz): 100 to 2500
  • Dynamic Range (dB): 70dB
  • Temp Stability (dB): ±1.25dB
  • Phase Accuracy (deg): n/a
  • Response Time (ns typ): 40ns
  • Voltage Supply (V): 2.7 to 5.5
  • Supply Current : 14mA
  • Package: 8-Lead uSOIC

Functional Block Diagram for AD8313

AD8313 Diagram
Functional Block Diagram for AD8313

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Model
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Package Description
The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
Price
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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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

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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.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.