Overview

Features and Benefits

  • 800MHz to 1000MHz RF Frequency Range†
  • 39dBm Constant OIP3 (Over All Gain Settings)
  • 23.5dBm Output 1dB Compression Point
  • 15.5dB Typical Gain at Maximum Gain Setting
  • 0.15dB Gain Flatness Over 100MHz Bandwidth
  • 4.5dB Noise Figure at Maximum Gain Setting (Using 1 Attenuator)
  • Two Gain-Control Ranges: 22dB and 44dB
  • Analog Gain Control
  • Single +5V Supply Voltage
  • Pin Compatible with MAX2057, 1700MHz to 2500MHz RF VGA
  • External Current-Setting Resistors Provide Option for Operating VGA in Reduced-Power/Reduced-Performance Mode
  • Lead-Free Package Available
  • Product Details

    The MAX2056 general-purpose, high-performance variable-gain amplifier (VGA) is designed to operate in the 800MHz to 1000MHz frequency range†. This device features 15.5dB of gain, 4.5dB of noise figure, and an output 1dB compression point of 23.5dBm. The MAX2056 also provides an exceptionally high OIP3 level of 39dBm, which is maintained over the entire attenuation range. In addition, the on-chip analog attenuators yield infinite control and high attenuation accuracy over selectable 22dB or 44dB control ranges. Each of these features makes the MAX2056 an ideal VGA for cellular band GSM, cdma2000, W-CDMA, and iDEN® transmitter and power amplifier AGC circuits.

    The MAX2056 is pin compatible with the MAX2057 1700MHz to 2500MHz VGA, making this family of amplifiers ideal for applications where a common PC board layout is used for both frequency bands.

    The MAX2056 operates from a single +5V supply and is available in a compact 36-pin thin QFN package (6mm x 6mm x 0.8mm) with an exposed pad. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.

    Applications

    • ±10V from +5V Logic Supply
    • Automated Test Equipment (ATE)
    • Broadband Systems
    • Cellular cdmaOne™, cdma2000®, and Integrated Digital Enhanced Network Base-Station Transmitter
    • Digital and Spread-Spectrum Communication Systems
    • GSM 850/GSM 900 2G and 2.5G EDGE Base-Station Transmitters and Power Amplifiers
    • Microwave Terrestrial Links
    • Receiver Gain Control
    • Transmitter Gain Control
    • WCDMA 850MHz and Other 3G Base-Station Transmitters and Power Amplifiers

    Product Lifecycle icon-recommended Production

    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.

    Evaluation Kits (1)

    Product Recommendations

    MAX2056 Companion Parts

    Recommended Related Parts

    Design Resources

    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.

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