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MAX3657
155Mbps Low-Noise Transimpedance Amplifier


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Description
FULL DATA SHEET (PDF, 756kB)
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The MAX3657 is a transimpedance preamplifier for receivers operating up to 155Mbps. The low noise, high gain, and low-power dissipation make it ideal for Class-B and Class-C passive optical networks (PONs).

The circuit features 14nA input-referred noise, 130MHz bandwidth, and 2mA input overload. Low jitter is achieved without external compensation capacitors. Operating from a +3.3V supply, the MAX3657 consumes only 76mW power. An integrated filter resistor provides positive bias for the photodiode. These features, combined with a small die size, allow easy assembly into a TO-46 header with a photodiode. The MAX3657 includes an average photocurrent monitor.

The MAX3657 has a typical optical sensitivity of -38dBm (0.9A/W), which exceeds the Class-C PON requirements. Typical overload is 0dBm. The MAX3657 is available in die form with both output polarities (MAX3657E/D and MAX3657BE/D.) The MAX3657 is also available in a 12-pin, 3mm x 3mm thin QFN package.

Key Features   Applications/Uses
  • 14n ARMS Input-Referred Noise
  • 54kΩ Transimpedance Gain
  • 130MHz (typ) Bandwidth
  • 2mAP-P Input Current—0dBm Overload Capability
  • 76mW (typ) Power Dissipation
  • 3.3V Single-Supply Operation
  • Average Photocurrent Monitor

 
  • BiDi Transceivers
  • Optical Receivers (Up to 155Mbps Operation)
  • Passive Optical Networks (PONs)
  • SFF/SFP Transceivers

    Key Specifications:   Transimpedance Amplifiers (TIA)
    Part Number Applications Target Operating Range (Gbps) Max. Data Rate (Mbps) Supply Voltage (V) Typ. Supply Current (mA) Input Noise (nA) Bandwidth (MHz) Max. Input Current (µA) ZT (kΩ) EV-Kit RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX3657 
    Optical Module
    PON/FTTx
    SFP/SFF Optical Modules
    <1 155 3.3 23 14 130 2,000 54 Yes Yes DICE SALES/0
    THIN QFN/12
    10 -40 to +85 $2.07 @ 1k
    See All Transimpedance Amplifiers (TIA) (19)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    MAX3657: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-2834; Rev 3; 2005-12-15
    This page last modified: 2008-03-19




             


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