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APD20E1
28 Gbd Top-side Illuminated APD

Top-side illuminated, ultra high-speed avalanche photodiode (APD) chip. A key feature of this innovative APD is a large dynamic range. The APD chip provides low noise multiplication and a high gain-bandwidth product which enables the design of high sensitivity 25G receivers. Typical applications include 28 Gbaud PAM-4, 100GBASE-ER4 and 25G EPON.
The Y-shaped contact pad layout is optimized for wire-bonding. The small chip footprint saves valuable space in small packages such as TO-headers.

Features

  • Top-side illuminated 28 Gbd APD
  • Large dynamic range
  • Low noise multiplication
  • Large gain-bandwidth product
  • High responsivity: 0.8 A/W
  • Low operating bias: 20 V
  • Cost effective, small chip size

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