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RF/IF Amplifiers

Analog Devices has combined its world-leading amplifier and RF IC design expertise to create an extensive portfolio of single-ended input/output fixed gain RF/IF amplifiers that can be used from low frequencies up to 6 GHz, including gain blocks, low noise amplifiers, intermediate frequency amplifiers, driver amplifiers and power amplifiers. These devices offer high linearity, low noise figures, various fixed gain options, as well as low-power consumption and are all fully specified over frequency, temperature, and supply voltage for use in a variety of cellular, medical, and instrumentation applications. For all of your amplifier design needs, ADI has the solution.

NEW PRODUCTS

  • AD8432- Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance
    AD8432: Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance

    The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching. Each amplifier has a single-ended input, differential output, and integrated input clamps. By pin strapping the gain setting pins, four accurate gains of G = 12.04 dB, 18.06 dB, 21.58 dB, and 24.08 dB (×4, ×8, ×12, and ×16) are possible. A bandwidth of 200 MHz at G = 12.04 dB makes MoreRead more

    Data Sheet Rev 0, 11/2009 (pdf 190kB)
    AD8432 Functional Block Diagram
  • ADL5601- 50 MHz to 4.0 GHz RF/IF Gain Block
    ADL5601: 50 MHz to 4.0 GHz RF/IF Gain Block

    The ADL5601 is a broadband, 15 dB linear amplifier that operates at frequencies up to 4.0 GHz. The device can be used in a wide variety of cellular, cable television (CATV), military, and instru-mentation equipment.

    The ADL5601 provides the highest dynamic range available from an internally matched gain block. This is accomplished by providing extremely low noise figures and very high OIP3 MoreRead more

    Data Sheet Rev 0, 09/2009 (pdf 341kB)
    ADL5601 Diagram
  • ADL5602- 50 MHz to 4.0 GHz RF/IF Gain Block
    ADL5602: 50 MHz to 4.0 GHz RF/IF Gain Block

    The ADL5602 is a broadband 20 dB linear amplifier that operates at frequencies up to 4 GHz. The device can be used in a wide variety of cellular, CATV, military, and instrumentation equipment.

    The ADL5602 provides the highest dynamic range available from an internally matched gain block. This is accomplished by providing extremely low noise figures and very high OIP3 specifications MoreRead more

    Data Sheet Rev 0, 06/2009 (pdf 368kB)
    ADL5602 Diagram

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RF/IF Amplifiers
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Part#
Results: 18
Frequency Range (MHz)Gain (dB)Output IP3 (dBm)1 dB Comp Point (dBm)Noise Figure (dB)Supply Current Specs @ (MHz)FunctionPackagePrice* (1000-4999)
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AD83531 to 270019.823.69.15.341mA900Gain Block8-Lead LFCSP $0.49
AD83541 to 270019.5194.64.223mA900Gain Block8-Lead LFCSP $0.49
ADL5320400 to 270013.74225.74.4104mA2140DriverSOT-89 $2.58
ADL53212300 to 4000144125.7490mA2600DriverSOT-89 $2.58
ADL5322700 to 100019.945.327.95320mA900Driver8-Lead LFCSP $3.52
ADL53231700 to 240019.543.5285320mA2140Driver8-Lead LFCSP $3.52
ADL5521400 to 400020.83721.80.960mA900LNA8-Lead LFCSP $2.18
ADL5523400 to 400021.534210.860mA900LNA8-Lead LFCSP $2.18
ADL5530dc to 100016.83721.83110mA190IFA8-Lead LFCSP $1.58
ADL553120 to 50020.94120.42.5100mA70IFA8-Lead LFCSP $1.87
ADL553420 to 5002140.420.42.598mA70Dual IFA16-Lead LFCSP $3.00
ADL554150 to 600014.739.216.33.890mA2000Gain Block8-Lead LFCSP $1.67
ADL554250 to 600018.739183.293mA2000Gain Block8-Lead LFCSP $1.67
ADL55702300 to 240029-31-130mA2350Pwr Amp w/ Power Control 16-Lead LFCSP $5.06
ADL55712500 to 270029-31-135mA2600WiMAX Power Amplifier16-Lead LFCSP $5.06
ADL560150 to 40001543193.785mA900Gain Block3-Lead SOT-89 $1.75
ADL560250 to 400019.54219.33.389mA2000Gain BlockSOT-89 $1.75
ADL5604400 to 270014.242.6294.2325mA2140Driver16-Lead LFCSP**
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Gain Blocks

Gain blocks are general-purpose broadband amplifiers that operate from low frequencies up to 6 GHz. All devices are 50 Ω internally matched with integrated internal bias circuitry, therefore minimizing the need for external components. Note that the 10 dB separation rule between P1dB and OIP3 no longer applies due to internal linearization circuitry. ADI’s gain blocks are fully ESD rated at 1 kV Class 1C or higher, and are available in the smallest footprint LFCSP packaging as well as in the industry standard SOT-89 package.

  • AD8353: 1 MHz to 2.7 GHz RF Gain Block
  • AD8354: 1 MHz to 2.7 GHz RF Gain Block
  • ADL5541: 50 MHz to 6 GHz RF/IF Gain Block, Gain of 15 dB
  • ADL5542: 50 MHz to 6 GHz RF/IF Gain Block, Fixed Gain of 20 dB
  • ADL5601: 50 MHz to 4.0 GHz RF/IF Gain Block
  • ADL5602: 50 MHz to 4.0 GHz RF/IF Gain Block

Driver Amplifiers

ADI’s driver amplifier family offers the highest linearity for a given output power to enable low distortion and high output drive directly to the power amplifier stages. This family offers unprecedented flexibility with both narrow- and broadband solutions that incorporate internal active biasing. The narrowband parts are also internally matched to further reduce the external component count. The broadband drivers enable the user to tune the amplifier with a minimal number of external components to a desired frequency range with industry-leading linearity and minimal current consumption. Find one that suits your design needs here:

  • ADL5320: 400 MHz to 2700 MHz RF Driver Amplifier
  • ADL5321: 2.3 GHz to 4.0 GHz RF Driver Amplifier
  • ADL5322: 700 MHz to 1000 MHz GaAs Matched RF PA Pre-Driver
  • ADL5323: 1700 MHz to 2400 MHz GaAs Matched RF PA Pre-Driver
  • ADL5604: 400 MHz to 2700 MHz 1W RF Driver Amplifier

Low Noise Amplifiers (LNAs)

As the first amplifier in the receive path, the LNA is a critical component in defining overall system performance and must be able to successfully amplify very low level signals without adding a significant amount of noise. ADI’s LNA family sets an industry performance benchmark by operating from 400 MHz to 4 GHz while achieving a low noise figure with the optimum amount of gain and current consumption. The new LNA family includes integrated active bias circuitry, requires minimal external matching components, and is available in the smallest footprint LFCSP packaging.

  • ADL5521: 400 MHz to 4000 MHz Low Noise Amplifier
  • ADL5523: 400 MHz to 4000 MHz Low Noise Amplifier

Intermediate Frequency Amplifiers (IFAs)

Designed to operate in the IF frequency range typically below 500 MHz, ADI’s family of single- and dual-channel IFAs are fully specified and characterized to support applications across he most commonly used IF frequencies of 70 MHz, 140 MHz, 240 MHz, and 380 MHz. The new IFA amplifier family provides the highest linearity specifications and is supplied within the smallest footprint LFCSP packaging. Furthermore, ADI’s IFAs integrate active bias circuitry, require minimal external matching components, and support 1 kV Class 1C ESD. Find one that suits your design needs here:

  • ADL5530: DC to 1000 MHz IF Gain Block
  • ADL5531: 20 MHz to 500 MHz IF Gain Block
  • ADL5534 (Dual): 20 MHz to 500 MHz IF Amplifier

Power Amplifiers

A RF power amplifier converts a low-power radio frequency signal into a larger signal of significant power, typically for driving the antenna of a transmitter. ADI’s power amplifiers are optimized to have industry-leading efficiency, output power compression (P1dB), return loss on the input and output, gain and heat dissipation. Find one that suits your design needs here:

  • ADL5570: 2.3 GHz to 2.4 GHz WiMAX Power Amplifier
  • ADL5571: 2.5 GHz to 2.7 GHz WiMAX Power Amplifier