AN551 CRYSTAL SELECTION GUIDE FOR Si5350/51 DEVICES
The Si5350/51 Any-Frequency CMOS Clock Generator + VCXO features an onboard crystal oscillator and VCXO that utilizes a standard, non-pullable 25/27 MHz crystal, PLLs, and MultiSynth fractional dividers to generate up to eight unique non-integer-related frequencies with exact frequency (0 ppm error). The Si5350/51 also features onboard crystal load capacitors ranging from 6 to 10 pF selectable through factory programming on the pin-controlled Si5350 or via an I2C interface available on the Si5351.
This application note provides guidance on the selection of crystals that use the internal load capacitors or a combination of internal and external load capacitors and describes the operation of the crystal oscillator and the VCXO.
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Si5350 、 Si5351 、 Si5351A 、 FA-238 25.0000MB-K 、 CX3225SB25000D0FLJZ1 、 CX3225SB27000D0FLJZ1 、 NX3225GA-25.000M-STD-CRG-2 、 NX3225GA-27.000M-STD-CRG-2 、 7M-27.000MEEQ 、 SP10115J6-25.000 MHz 、 SP10115J6-27.000 MHz 、 Si535xC |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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3/12 |
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Rev.0.3 |
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AN551 |
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1.4 MB |
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