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ADL5521:  400 MHZ TO 4000 MHZ LOW NOISE AMPLIFIER

The ADL5521 is a high performance GaAs pHEMT low noise amplifier. It provides high gain and low noise figure for single-downconversion IF sampling receiver architectures as well as direct-downconversion receivers.

The ADL5521 provides a high level of integration by incorporating the active bias and dc blocking capacitors, making it very easy to use while not sacrificing design ...More

ADL5521:  400 MHz to 4000 MHz Low Noise Amplifier

Product Description

The ADL5521 is a high performance GaAs pHEMT low noise amplifier. It provides high gain and low noise figure for single-downconversion IF sampling receiver architectures as well as direct-downconversion receivers.

The ADL5521 provides a high level of integration by incorporating the active bias and dc blocking capacitors, making it very easy to use while not sacrificing design flexibility.

The ADL5521 is easy to tune, requiring only a few external components. The device can support operation from 3 V to 5 V, and the current draw can be adjusted with the external bias resistor for applications requiring low power consumption.

The ADL5521 comes in a compact, thermally enhanced, 3 mm × 3 mm LFCSP and operates over the temperature range of −40°C to +85°C.

A fully populated evaluation board is also available.

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  • Operation from 400 MHz to 4000 MHz
  • Noise figure of 0.8 dB at 900 MHz
  • Requires few external components
  • Integrated active bias control circuit
  • Integrated dc blocking capacitors
  • Adjustable bias for low power applications
  • Single-supply operation from 3 V to 5 V
  • Gain of 20.8 dB at 900 MHz
  • OIP3 of 37.0 dBm at 900 MHz
  • P1dB of 21.8 dBm at 900 MHz
  • Small footprint LFCSP
  • Pin-compatible version with 21.5 dB gain available
  • Frequency Range (MHz): 400 to 4000
  • Gain (dB): 20.8dB
  • Output IP3 (dBm): 37
  • Noise Figure (dB): 0.9dB
  • Supply Current : 60mA
  • Package: 8-Lead LFCSP
  • 1 dB Comp Point (dBm): 21.8

Functional Block Diagram for ADL5521

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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

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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
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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.