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 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.

Features and Benefits
  • 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
    • RF & Microwave
    S-Parameters
    Data Sheets
    Documentnote
    ADL5521: 400 MHz to 4000 MHz Low Noise Amplifier Data Sheet (Rev. B)PDF 915 kB
    Application Notes
    Documentnote
    AN-1363: Meeting Biasing Requirements of Externally Biased RF/Microwave Amplifiers with Active Bias Controllers (Rev. 0)PDF 804.11 K
    AN-1389: Recommended Rework Procedure for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0)PDF 133.7 K
    MMIC Amplifier Biasing Procedure Application NotePDF 435.1 K
    Broadband Biasing of Amplifiers General Application NotePDF 433.77 K
    Thermal Management for Surface Mount Components General Application NotePDF 189.99 K
    AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0)PDF 439 kB
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    ADL5521ACPZ-R7 Production8 ld LFCSP (3x3mm)REEL 1500-40 to 85C01.49Y
    Evaluation Boards
    Part NumberDescriptionPriceRoHS
    ADL5521-EVALZEvaluation Board100.19Y
    AD-TRXBOOST1-EBZEvaluation Board249Y
    Reference Materials
    ADL5521: 400 MHz to 4000 MHz Low Noise Amplifier Data Sheet (Rev B, 11/2013) ADL5521
    ADL5521 S Parameters adl5521
    ADL5521: 400 MHz to 4000 MHz Low Noise Amplifier Data Sheet (Rev. B) adl5521
    AN-1363: 利用有源偏置控制器满足外部偏置射频/微波放大器的偏置要求 (Rev. 0) hmc8120
    AN-1363: Meeting Biasing Requirements of Externally Biased RF/Microwave Amplifiers with Active Bias Controllers (Rev. 0) hmc8120
    AN-1389: 引线框芯片级封装(LFCSP)的建议返修程序 (Rev. 0) ad9540
    AN-1389: Recommended Rework Procedure for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0) ad9856
    MMIC Amplifier Biasing Procedure Application Note hmc1049lp5e
    Broadband Biasing of Amplifiers General Application Note hmc1049lp5e
    Thermal Management for Surface Mount Components General Application Note hmc1049lp5e
    AN-772: 引脚架构芯片级封装（LFCSP）设计与制造指南 (Rev. 0) ad9540
    AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0) ad9856
    RF Source Booklet adf9010
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