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AOZ8844 - Ultra-Low Capacitance TVS Diode

Description

The AOZ8844 is a transient voltage suppressor array designed to protect high speed data lines such as HDMI, USB 3.0, MDDI, SATA, and Gigabit Ethernet from damaging ESD events.

This device incorporates eight surge rated, low capacitance steering diodes and a TVS in a single package.

Features

  • ESD protection for high-speed data lines:.
  • IEC 61000-4-2, level 4 (ESD) immunity test.
  • Air discharge: ±20 kV; contact discharge: ±15 kV.
  • IEC61000-4-4 (EFT) 40 A (5/50 ns).
  • IEC61000-4-5 (Lightning) +5 A (8/20 µs).
  • Human Body Model (HBM) ±24 kV.
  • Array of surge rated diodes with internal TVS diode.
  • Small package saves board space.
  • Protects four I/O lines.
  • Low capacitance between I/O lines: 0.26 pF.
  • Low clamping voltage Appl.

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Full PDF Text Transcription

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AOZ8844 Ultra-Low Capacitance TVS Diode General Description The AOZ8844 is a transient voltage suppressor array designed to protect high speed data lines such as HDMI, USB 3.0, MDDI, SATA, and Gigabit Ethernet from damaging ESD events. This device incorporates eight surge rated, low capacitance steering diodes and a TVS in a single package. During transient conditions, the steering diodes direct the transient to either the positive side of the power supply line or to ground. The AOZ8844 provides a typical line-to-line capacitance of 0.26 pF and low insertion loss up to 6 GHz providing greater signal integrity making it ideally suited for HDMI 1.3 or USB 3.0 applications, such as Digital TVs, DVD players, computing, set-top boxes and MDDI applications in mobile computing devices.
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