Texas Instruments LMK00725 LVPECL时钟扇出缓冲器
Texas Instruments LMK00725是一款低偏移、高性能时钟扇出缓冲器，能够从可接受差分或单端输入的两个输入之一个分发多达5个3.3V LVPECL输出，接受差分或单端输入。时钟使能输入在内部同步，以便在时钟使能引脚被置为有效或置为无效时消除输出上的欠幅脉冲或毛刺脉冲。低附加抖动和相位噪底，以及可靠输出和部件间偏移特性使得 LMK00725 成为对高性能和可重复性有严格要求的应用的理想选择。
特性
- Five 3.3V Differential LVPECL Outputs
- Additive Jitter: 43fs RMS (typ) @ 312.5MHz
- Noise Floor (≥1 MHz offset):
- -158dBc/Hz (typ) @ 312.5MHz
- Output Frequency: 650MHz (max)
- Output Skew: 35ps (max)
- Part-to-Part Skew: 100ps (max)
- Propagation Delay: 0.37ns (max)
- Two Differential Input Pairs (pin-selectable)
- CLKx, nCLK Input Pairs can accept LVPECL,
- LVDS, HCSL, SSTL, LVHSTL, or Single-Ended Signals
- Synchronous Clock Enable
- Power Supply: 3.3V ±5%
- Package: 20-Lead TSSOP
- Industrial Temperature Range: -40°C to +85°C
应用
- Wireless and wired infrastructure
- Networking and data communications
- Servers and computing
- Medical imaging
- Portable test and measurement
- High end A/V
Block Diagram
发布日期: 2014-01-08
| 更新日期: 2022-03-11