ZHCSIP0G November   2009  – November 2022 CDC3RL02

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Low Additive Noise
      2. 8.3.2 Regulated 1.8-V Externally Available I/O Supply
      3. 8.3.3 Ultra-Small 8-bump YFP 0.4-mm Pitch WCSP Package
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Input Clock Squarer
      2. 9.1.2 Output Stage
      3. 9.1.3 LDO
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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9.1.1 Input Clock Squarer

Figure 9-1 shows the input stage of the CDC3RL02. The input signal at MCLK_IN can be a square wave or sine wave. CMCLK is an internal AC coupling capacitor that allows a direct connection from the TCXO to the CDC3RL02 without an external capacitor.

GUID-3142762A-2914-48E8-9720-FC16B574F649-low.gifFigure 9-1 Input Stage with Internal AC Coupling Capacitor

Any external component added in the series path of the clock signal will potentially add phase noise and jitter. The error source associated with the internal decoupling capacitor is included in the specification of the CDC3RL02. The recommended clock frequency band of the CDC3RL02 is 10 MHz to 80 MHz for specified functionality. All performance metrics are specified at 26 MHz. The lowest acceptable sinusoidal signal amplitude is 0.8 VPP for specified performance. Amplitudes as low as 0.3 VPP are acceptable but with reduced phase-noise and jitter performance.