Features and Benefits

  • Ideal for CATV and terrestrial applications
  • 2.4 GHz, −3 dB bandwidth
    1 dB flatness: 54 MHz to 865 MHz
  • Low noise figure: 4.6 dB
  • Low distortion
    Composite second-order (CSO): −62 dBc
    Composite triple beat (CTB): −72 dBc
  • Nominal 3 dB gain per output channel
  • 25 dB output-to-output isolation, 50 MHz to 1000 MHz
  • 75 Ω input and outputs
  • Small package size: 16-lead, 3 mm × 3 mm LFCSP

Product Details

The ADA4304-3/ADA4304-4 are 75 Ω active splitters for use in applications where a lossless signal split is required. Typical applications include multituner digital set-top boxes, cable splitter modules, multituners/digital cable ready (DCR) televisions, and home gateways where traditional solutions require discrete passive splitter modules with separate fixed gain amplifiers.

The ADA4304-3/ADA4304-4 are fabricated using the Analog Devices, Inc., proprietary silicon germanium (SiGe), complementary bipolar process, enabling them to achieve very low levels of distortion with a noise figure of 4.6 dB. The parts provide low cost alternatives that simplify designs and improve system performance by integrating a signal splitter element and a gain block into a single IC. The ADA4304-3/ADA4304-4 are available in a 16-lead LFCSP and operate in the extended industrial temperature range of −40°C to +85°C.


  • Set-top boxes
  • Residential gateways
  • CATV distribution systems
  • Splitter modules
  • Digital cable ready (DCR) TVs
  • Data Sheet, Rev. 0, 11/07

    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.

    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.

    PCN-PDN Information

    Sample & Buy

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