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K03000C

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
美国国家半导体 - NSC 调节器时钟
页数 文件大小 规格书
22页 419K
描述
Precision Clock Conditioner with Integrated VCO

K03000C 数据手册

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ADVANCE INFORMATION  
November 2006  
LMK03000/LMK03000C/LMK03001/LMK03001C  
Precision Clock Conditioner with Integrated VCO  
General Description  
Features  
The LMK03000/LMK03000C/LMK03001/LMK03001C preci-  
sion clock conditioners combine the functions of jitter clean-  
ing/reconditioning, multiplication, and distribution of a refer-  
ence clock. The devices integrate a Voltage Controlled  
Oscillator (VCO), a high performance Integer-N Phase  
Locked Loop (PLL), a partially integrated loop filter, three  
LVDS, and five LVPECL clock output distribution blocks.  
Integrated VCO and Integer-N PLL  
Two performance grades (12 kHz to 20 MHz)  
LMK03000/LMK03001: Less than 800 fs RMS  
LMK03000C/LMK03001C: Less than 400 fs RMS  
Two VCO frequency plans  
LMK03000/LMK03000C: 1185 to 1296 MHz  
LMK03001/LMK03001C: 1470 to 1570 MHz  
The VCO output is optionally accessible on the Fout port. In-  
ternally, the VCO output goes through an Input Divider to feed  
the various clock distribution blocks.  
Clock output frequency range of 1 to 785 MHz  
3 LVDS and 5 LVPECL clock outputs  
Partially integrated loop filter  
Each clock distribution block includes a programmable di-  
vider, a phase synchronization circuit, a programmable delay,  
a clock output mux, and an LVDS or LVPECL output buffer.  
This allows multiple integer-related and phase-adjusted  
copies of the reference to be distributed to eight system com-  
ponents.  
Dedicated divider and delay blocks on each clock output  
Pin compatible family of clocking devices  
3.15 to 3.45 V operation  
Package: 48 pin LLP (7.0 x 7.0 x 0.8 mm)  
The clock conditioners come in a 48-pin LLP package and are  
footprint compatible with other clocking devices in the same  
family.  
Target Applications  
Data Converter Clocking  
SONET/SDH, DSLAM  
Networking  
Wireless Infrastructure  
Medical  
Test and Measurement  
Military / Aerospace  
Functional Block Diagram  
20211401  
© 2006 National Semiconductor Corporation  
202114  
www.national.com  

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