- 制造厂商：TI
- 产品类别：时钟和计时
- 技术类目：时钟缓冲器
- 功能描述：具有分频器的 5/10 路输出时钟缓冲器
- 点击这里打开及下载CDCE18005的技术文档资料
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The CDCE18005 is a high performance clock distributor featuring a high degree of configurability via a SPI interface, and programmable start up modes determined by on-chip EEPROM. Specifically tailored for buffering clocks for data converters and high-speed digital signals, the CDCE18005 achieves low additive jitter in the 50 fs RMS(1) range. The clock distribution block includes five individually programmable outputs that can be configured to provide different combinations of output formats (LVPECL, LVDS, LVCMOS). Each output can also be programmed to a unique output frequency (up to 1.5 GHz(2)
- Universal Input Buffers That Accept LVPECL, LVDS, or LVCMOS Level Signaling
- Fully Configurable Outputs Including Frequency, Output Format, and Output Skew
- Output Multiplexer That Serves as a Clock Switch Between the Three Reference Inputs and the Outputs
- Clock Generation Via AT-Cut Crystal
- Integrated EEPROM Determines Device Configuration at Power-up
- Low Additive Jitter Performance
- Universal Output Blocks Support up to 5 Differential, 10 Single-ended, or Combinations of Differential or Single-ended:
- Low Additive Jitter
- Output Frequency up to 1.5 GHz
- LVPECL, LVDS, LVCMOS, and Special High Output Swing Modes
- Independent Output Dividers Support Divide Ratios from 1–80
- Independent limited Coarse Skew Control on all Outputs
- Flexible Inputs:
- Two Universal Differential Inputs Accept Frequencies up to 1500 MHz (LVPECL), 800 MHz (LVDS), or 250 MHz (LVCMOS).
- One Auxiliary Input Accepts Crystal. Auxiliary Input Accepts Crystals in the Range of 2 MHz–42 MHz
- Clock Generator Mode Using Crystal Input.
- Typical Power Consumption 1W at 3.3V
- Offered in QFN-48 Package
- ESD Protection Exceeds 2kV HBM
- Industrial Temperature Range –40°C to 85°C
- Function
- Differential
- Additive RMS jitter (Typ) (fs)
- 200
- Output frequency (Max) (MHz)
- 1500
- Number of outputs
- 5
- Output supply voltage (V)
- 3.3
- Core supply voltage (V)
- 3.3
- Output skew (ps)
- 25
- Features
- Integrated EEPROM
- Operating temperature range (C)
- -40 to 85
- Rating
- Catalog
- Output type
- LVPECL
- Input type
- LVPECL
CDCE18005的完整型号有：CDCE18005RGZR、CDCE18005RGZT，以下是这些产品的关键参数及官网采购报价：
CDCE18005RGZR，工作温度：-40 to 85，封装：VQFN (RGZ)-48，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAUAG，TI官网CDCE18005RGZR的批量USD价格：6.098（1000+）
CDCE18005RGZT，工作温度：-40 to 85，封装：VQFN (RGZ)-48，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAUAG，TI官网CDCE18005RGZT的批量USD价格：7.207（1000+）
CDCE18005EVM — CDCE18005EVM 评估模块
CDCE18005 是高性能时钟发生器和分配器，它具有高度可配置性（通过 SPI 接口进行配置）和由片上 EEPROM 确定的可编程启动模式。专为数据转换器和高速数字信号的缓冲时钟而设计，CDCE18005 实现了 50 fs 范围以内的低附加抖动。时钟分配块包含 5 个独立的可编程输出，它们可以配置成提供不同的输出格式组合（LVPECL、LVDS、LVCMOS）。也可以通过可编程延迟块将每个输出编程为独特的输出频率（高达 1.5GHzGHz）和偏移关系。如果所有输出都采用单端模式（例如 LVCMOS）进行配置，则 CDCE18005 可支持多达 10 路输出。每个输出都可以选择 3 (...)CDCE18005 EVM Control Software installer (Rev. A)
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