ZHCSHT9C August   2021  – June 2024 ADC12DJ4000RF

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Device Comparison
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics: DC Specifications
    6. 6.6  Electrical Characteristics: Power Consumption
    7. 6.7  Electrical Characteristics: AC Specifications (Dual-Channel Mode)
    8. 6.8  Electrical Characteristics: AC Specifications (Single-Channel Mode)
    9. 6.9  Timing Requirements
    10. 6.10 Switching Characteristics
    11. 6.11 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Inputs
        1. 7.3.1.1 Analog Input Protection
        2. 7.3.1.2 Full-Scale Voltage (VFS) Adjustment
        3. 7.3.1.3 Analog Input Offset Adjust
      2. 7.3.2 ADC Core
        1. 7.3.2.1 ADC Theory of Operation
        2. 7.3.2.2 ADC Core Calibration
        3. 7.3.2.3 Analog Reference Voltage
        4. 7.3.2.4 ADC Overrange Detection
        5. 7.3.2.5 Code Error Rate (CER)
      3. 7.3.3 Temperature Monitoring Diode
      4. 7.3.4 Timestamp
      5. 7.3.5 Clocking
        1. 7.3.5.1 Noiseless Aperture Delay Adjustment (tAD Adjust)
        2. 7.3.5.2 Aperture Delay Ramp Control (TAD_RAMP)
        3. 7.3.5.3 SYSREF Capture for Multi-Device Synchronization and Deterministic Latency
          1. 7.3.5.3.1 SYSREF Position Detector and Sampling Position Selection (SYSREF Windowing)
          2. 7.3.5.3.2 Automatic SYSREF Calibration
      6. 7.3.6 Programmable FIR Filter (PFIR)
        1. 7.3.6.1 Dual Channel Equalization
        2. 7.3.6.2 Single Channel Equalization
        3. 7.3.6.3 Time Varying Filter
      7. 7.3.7 Digital Down Converters (DDC)
        1. 7.3.7.1 Rounding and Saturation
        2. 7.3.7.2 Numerically-Controlled Oscillator and Complex Mixer
          1. 7.3.7.2.1 NCO Fast Frequency Hopping (FFH)
          2. 7.3.7.2.2 NCO Selection
          3. 7.3.7.2.3 Basic NCO Frequency Setting Mode
          4. 7.3.7.2.4 Rational NCO Frequency Setting Mode
          5. 7.3.7.2.5 NCO Phase Offset Setting
          6. 7.3.7.2.6 NCO Phase Synchronization
        3. 7.3.7.3 Decimation Filters
        4. 7.3.7.4 Output Data Format
        5. 7.3.7.5 Decimation Settings
          1. 7.3.7.5.1 Decimation Factor
          2. 7.3.7.5.2 DDC Gain Boost
      8. 7.3.8 JESD204C Interface
        1. 7.3.8.1  Transport Layer
        2. 7.3.8.2  Scrambler
        3. 7.3.8.3  Link Layer
        4. 7.3.8.4  8B/10B Link Layer
          1. 7.3.8.4.1 Data Encoding (8B/10B)
          2. 7.3.8.4.2 Multiframes and the Local Multiframe Clock (LMFC)
          3. 7.3.8.4.3 Code Group Synchronization (CGS)
          4. 7.3.8.4.4 Initial Lane Alignment Sequence (ILAS)
          5. 7.3.8.4.5 Frame and Multiframe Monitoring
        5. 7.3.8.5  64B/66B Link Layer
          1. 7.3.8.5.1 64B/66B Encoding
          2. 7.3.8.5.2 Multiblocks, Extended Multiblocks and the Local Extended Multiblock Clock (LEMC)
          3. 7.3.8.5.3 Block, Multiblock and Extended Multiblock Alignment using Sync Header
            1. 7.3.8.5.3.1 Cyclic Redundancy Check (CRC) Mode
            2. 7.3.8.5.3.2 Forward Error Correction (FEC) Mode
          4. 7.3.8.5.4 Initial Lane Alignment
          5. 7.3.8.5.5 Block, Multiblock and Extended Multiblock Alignment Monitoring
        6. 7.3.8.6  Physical Layer
        7. 7.3.8.7  SerDes Pre-Emphasis
        8. 7.3.8.8  JESD204C Enable
        9. 7.3.8.9  Multi-Device Synchronization and Deterministic Latency
        10. 7.3.8.10 Operation in Subclass 0 Systems
      9. 7.3.9 Alarm Monitoring
        1. 7.3.9.1 NCO Upset Detection
        2. 7.3.9.2 Clock Upset Detection
        3. 7.3.9.3 FIFO Upset Detection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Dual-Channel Mode
      2. 7.4.2 Single-Channel Mode (DES Mode)
      3. 7.4.3 Dual-Input Single-Channel Mode (DUAL DES Mode)
      4. 7.4.4 JESD204C Modes
        1. 7.4.4.1 JESD204C Operating Modes Table
        2. 7.4.4.2 JESD204C Modes continued
        3. 7.4.4.3 JESD204C Transport Layer Data Formats
        4. 7.4.4.4 64B/66B Sync Header Stream Configuration
        5. 7.4.4.5 Dual DDC and Redundant Data Mode
      5. 7.4.5 Power-Down Modes
      6. 7.4.6 Test Modes
        1. 7.4.6.1 Serializer Test-Mode Details
        2. 7.4.6.2 PRBS Test Modes
        3. 7.4.6.3 Clock Pattern Mode
        4. 7.4.6.4 Ramp Test Mode
        5. 7.4.6.5 Short and Long Transport Test Mode
          1. 7.4.6.5.1 Short Transport Test Pattern
          2. 7.4.6.5.2 Long Transport Test Pattern
        6. 7.4.6.6 D21.5 Test Mode
        7. 7.4.6.7 K28.5 Test Mode
        8. 7.4.6.8 Repeated ILA Test Mode
        9. 7.4.6.9 Modified RPAT Test Mode
      7. 7.4.7 Calibration Modes and Trimming
        1. 7.4.7.1 Foreground Calibration Mode
        2. 7.4.7.2 Background Calibration Mode
        3. 7.4.7.3 Low-Power Background Calibration (LPBG) Mode
      8. 7.4.8 Offset Calibration
      9. 7.4.9 Trimming
    5. 7.5 Programming
      1. 7.5.1 Using the Serial Interface
        1. 7.5.1.1 SCS
        2. 7.5.1.2 SCLK
        3. 7.5.1.3 SDI
        4. 7.5.1.4 SDO
        5. 7.5.1.5 Streaming Mode
    6. 7.6 SPI Register Map
  9. Application Information Disclaimer
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Wideband RF Sampling Receiver
        1. 8.2.1.1 Design Requirements
          1. 8.2.1.1.1 Input Signal Path
          2. 8.2.1.1.2 Clocking
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Calculating Values of AC-Coupling Capacitors
        3. 8.2.1.3 Application Curves
    3. 8.3 Initialization Set Up
    4. 8.4 Power Supply Recommendations
      1. 8.4.1 Power Sequencing
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 接收文档更新通知
    4. 9.4 支持资源
    5. 9.5 商标
    6. 9.6 静电放电警告
    7. 9.7 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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特性

  • ADC 内核:
    • 12 位分辨率
    • 单通道模式下的采样率高达 8GSPS
    • 双通道模式下的采样率高达 4GSPS
  • 性能规格:
    • 本底噪声(–20dBFS,VFS = 1VPP-DIFF):
      • 双通道模式: –152.3dBFS/Hz
      • 单通道模式:–155dBFS/Hz
    • ENOB(双通道,FIN = 2.4GHz):8.8 位
  • VCMI 为 0V 时的缓冲模拟输入:
    • 模拟输入带宽 (-3dB):8GHz
    • 可用输入频率范围:> 10GHz
    • 满量程输入电压(VFS,默认值):0.8VPP
  • 无噪声孔径延迟 (tAD) 调节:
    • 精确采样控制:19fs 步长
    • 简化同步和交错
    • 温度和电压不变延迟
  • 简便易用的同步特性:
    • 自动 SYSREF 计时校准
    • 样片标记时间戳
  • JESD204C 串行数据接口:
    • 最大通道速率:17.16Gbps
    • 支持 64b/66b 和 8b/10b 编码
    • 8b/10b 模式兼容 JESD204B
  • 可选数字下变频器 (DDC):
    • 4 倍、8 倍、16 倍和 32 倍复杂抽取
    • 每个 DDC 均具有四个独立的 32 位 NCO
  • 峰值射频输入功率 (Diff):+26.5dBm(+27.5dBFS,560x 满量程功率)
  • 可实现均衡的可编程 FIR 滤波器
  • 功耗:3.7W
  • 电源:1.1V、1.9V