25-Gb/s GaAs PIN Photodiode

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The Broadcom® SPD2020 is a mesa-structured, GaAs-based PIN photodiode offering high responsivity, low dark current, and low capacitance for high-bandwidth, high-performance optical receiver designs. The photodiode's low parasitics make it ideal for high-speed, multimode 25-Gb/s applications in combination with today's high-performance, 25-Gb/s single-channel transimpedance amplifiers (TIA). The SPD2020 is also available in 1×4 array (SPD2020-4X) and 1×12 array (SPD2020-12X) versions. The SPD2020 has a slightly larger aperture (38 μm) than the similar SPD2025 (32 μm) to allow for easier optical alignment tolerances.

Lifecycle Status


Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Active
Distrib. Inventory No
Form Factor Die
Number of Channels 1
Wavelength 840-860 nm
Temperature -5°C -95°C
Dimensions (LxWxH in µm) 220x270x150
Top Contact Configuration SG
Aperture 38 µm
RoHS6 Compliant Y
Data Rate 25 Gb/s
Array 1x1
Pad Style 2 pad N-P adjacent
Material GaAs