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SI5380 - Clock Generator

General Description

3.

The Si5380 is a high performance clock generator that is capable of synthesizing up to 10 unique integer related frequencies at any of the device’s 12 outputs.

The output clocks can be generated in free-run mode or synchronized to any one of the four external inputs.

Key Features

  • Digital frequency synthesis eliminates external VCXO and analog loop filter components.
  • Supports JESD204B clocking: DCLK and SYSREF.
  • Input frequency range:.
  • Differential: 10 MHz.
  • 750 MHz.
  • LVCMOS: 10 MHz.
  • 250 MHz.
  • Output frequency range:.
  • Differential: 480 kHz.
  • 1.47456 GHz.
  • LVCMOS: 480 kHz.
  • 250 MHz IN_SEL IN0 IN1 IN2 IN3/ FB_IN ÷P0 ÷P1 ÷P2 ÷P3 I2C_SEL SDA/SDI A1/SDO SCLK A0/CSb I2C/ SP.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ultra-Low Phase Noise, 12-output JESD204B Clock Generator Si5380 Data Sheet The Si5380 is a high performance, integer-based (M/N) clock generator for small cell applications which demand the highest level of integration and phase noise performance. Based on Silicon Laboratories’ 4th generation DSPLL technology, the Si5380 combines frequency synthesis and jitter attenuation in a highly integrated digital solution that eliminates the need for external VCXO and loop filter components. A low cost, fixed-frequency crystal provides frequency stability for free-run and holdover modes. This all-digital solution provides superior performance that is highly immune to external board disturbances such as power supply noise.