MAX3654

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47MHz to 870MHz Analog CATV Transimpedance Amplifier

Data Sheet (Rev. 0)
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Part Details

  • 47MHz to 870MHz Operation
  • -6dBm to +2dBm Optical Input Range
  • 21dBm OIP3, 47dBm OIP2
  • 5.5pA per root-Hz EIN (Amplifier Alone)
  • 62dB Gain at 47MHz
  • 18dB Transimpedance (Gain) Control
  • Integrated +4dB Gain Tilt (with Typical Photodiode)
  • +5V Single-Supply Operation
  • 700mW Power Dissipation
  • -40°C to +85°C Operating Temperature Range
  • 4mm x 4mm TQFN Package
    • MAX3654
    47MHz to 870MHz Analog CATV Transimpedance Amplifier
    MAX3654: Typical Operating Circuit
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    Documentation

    Data Sheet 1

    Design Note 1

    Technical Articles 2

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    Evaluation Kits

    MAX3654EVKIT

    MAX3654 Evaluation Kit

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    Features and Benefits

    • Fully Assembled and Tested
    • Optical and Electrical Inputs
    • Automatic Gain Control

    Product Details

    The MAX3654 evaluation kit (EV kit) is a factory-assembled printed circuit board (PCB) that provides two circuit versions—optical input and electrical input.

    The optical circuit includes the photodiode bias circuitry, an op amp for feed-forward AGC operation, and a balun for single-ended 75Ω output. Through-hole pads are provided to attach a triplexer analog photodiode. It is important to select a photodiode with capacitance and inductance in the anode and cathode connections as symmetric as possible for optimum linearity.

    The electrical circuit is normally configured with a 50Ω input for use with conventional test and measurement equipment and a 75Ω output. The 75Ω output can be connected to 50Ω test and measurement equipment using a minimum loss pad. If desired, the MAX3654 input can also provide a 75Ω input by replacing R12 and R13 with 25Ω resistors.

    Applications

    • FTTH Optical Network Termination (ONT)
    MAX3654EVKIT
    MAX3654 Evaluation Kit

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