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CS2000P-CZZR датащи(PDF) 1 Page - Cirrus Logic |
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CS2000P-CZZR датащи(HTML) 1 Page - Cirrus Logic |
1 / 30 page Copyright Cirrus Logic, Inc. 2009 (All Rights Reserved) http://www.cirrus.com Fractional-N Clock Synthesizer & Clock Multiplier Features Delta-Sigma Fractional-N Frequency Synthesis – Generates a Low Jitter 6 - 75 MHz Clock from an 8 - 75 MHz Reference Clock Clock Multiplier / Jitter Reduction – Generates a Low Jitter 6 - 75 MHz Clock from a Jittery 50 Hz to 30 MHz Clock Source Highly Accurate PLL Multiplication Factor – Maximum Error Less Than 1 PPM in High- Resolution Mode One-Time Programmability – Configurable Hardware Control Pins – Configurable Auxiliary Output Flexible Sourcing of Reference Clock – External Oscillator or Clock Source – Supports Inexpensive Local Crystal Minimal Board Space Required – No External Analog Loop-filter Components General Description The CS2000-OTP is an extremely versatile system clocking device that utilizes a programmable phase lock loop. The CS2000-OTP is based on a hybrid analog- digital PLL architecture comprised of a unique combina- tion of a Delta-Sigma Fractional-N Frequency Synthesizer and a Digital PLL. This architecture allows for both frequency synthesis/clock generation from a stable reference clock as well as generation of a low-jit- ter clock relative to an external noisy synchronization clock with frequencies as low as 50 Hz. The CS2000- OTP has many configuration options which are set once prior to runtime. At runtime there are three hardware configuration pins available for mode and feature selection. The CS2000-OTP is available in a 10-pin MSOP pack- age in Commercial (-10°C to +70°C) grade. Customer development kits are also available for custom device prototyping, small production programming, and device evaluation. Please see “Ordering Information” on page 29 for complete details. Hardware Configuration Auxiliary Output 6 to 75 MHz PLL Output Frequency Reference 3.3 V Hardware Control 8 MHz to 75 MHz Low-Jitter Timing Reference Fractional-N Frequency Synthesizer Digital PLL & Fractional N Logic Output to Input Clock Ratio N Timing Reference PLL Output Lock Indicator 50 Hz to 30 MHz Frequency Reference Output to Input Clock Ratio AUG '09 DS758F1 CS2000-OTP |
Аналогичный номер детали - CS2000P-CZZR |
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Аналогичное описание - CS2000P-CZZR |
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