Automotive Clock Generators

The any-frequency, any-output automotive grade Si5332 clock generators combine a wide-band PLL with proprietary MultiSynth fractional synthesizer technology to offer a versatile and high performance clock generator platform. This highly flexible architecture is capable of synthesizing a wide range of integer and non-integer related frequencies up to 333.33 MHz on up to 8 differential clock outputs while delivering sub-200 fs rms phase jitter performance with 0 ppm error. The device includes two independent spread spectrum modulation domains, an I2C interface for in-system programming, and user-defined hardware input pins that can be assigned during configuration development as output enable, frequency control, input selection, or spread spectrum enablement. The multi-profile feature provides the ability to store up to 16 unique configuration files in the same orderable part number, using the hardware input pins to select between each configuration. Each of the clock outputs can be assigned its own format, enabling the Si5332 to replace multiple oscillators, buffers, and/or clock generators with a single device making it a true “clock tree on a chip.”

 

Features

  • Automotive Grade2, -40 to +105 °C
  • AEC-Q100 qualified
  • Multi-output ordering options:
    • 6 outputs in QFN32
    • 8 outputs in QFN40
  • Low current consumption
  • MultiSynth technology delivers any frequency on any output
  • I2C programmable
  • Any format, any output: HCSL, LVDS, LVCMOS, LVPECL
  • ClockBuilder Pro simplifies configuration
  • User-defined hardware input pins
  • Low phase jitter: < 190 fs

Automotive Clock Generators Product Matrix

Devices
Part Number Customize Data Sheet Dev Kit Reference Inputs Clock Outputs Input Frequency Output Frequency Phase Jitter (RMS)
Customize Si5332-6A-EVB 1 6 10 250 10 333 0.19
Customize Si5332-8A-EVB 2 8 10 250 10 333 0.19
Customize Si5332-6A-EVB 1 6 10 250 10 200 0.19
Customize Si5332-8A-EVB 2 8 10 250 10 200 0.19
Customize Si5332-6A-EVB 1 6 10 250 10 333 0.19
Customize Si5332-8A-EVB 2 8 10 250 10 333 0.19
Customize Si5332-6A-EVB 1 6 10 250 10 200 0.19
Customize Si5332-8A-EVB 2 8 10 250 10 200 0.19
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