The GX36420 is a 64Gbps linear quad TIA chip that integrates four lanes of TIAs for XI, XQ, YI, and YQ channels, as well as digital interface circuitry for DC controls on a single die for 400G/600G coherent applications. The TIA electrical characteristics, functions, and physical dimensions are designed for small-form factor integrated optical module such as CFP2 and CFP4.


  • Adjustable frequency range from 32Gb/s up to 64Gb/s
  • Differential gain: 5,000Ω
  • Low power consumption
  • Linear gain over 30dB of dynamic range
  • Internal AGC
  • Output voltage control
  • Peak detection
  • RSSI and Input Current Monitor
  • Shutdown mode

Product Options

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Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
GX36420 Short-Form Datasheet Short Form Datasheet PDF 107 KB
Optical Interconnect Overview Overview PDF 649 KB