Datasheet > LMK03002

LMK03002

更新时间： 2024-11-14 03:51:43

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
24页	477K
描述
Precision Clock Conditioner with Integrated VCO

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LMK03002 数据手册

August 2007

LMK03002/LMK03002C

Precision Clock Conditioner with Integrated VCO

General Description

Features

The LMK03002/LMK03002C precision clock conditioners

combine the functions of jitter cleaning/reconditioning, multi-

plication, and distribution of a reference clock. The devices

integrate a Voltage Controlled Oscillator (VCO), a high per-

formance Integer-N Phase Locked Loop (PLL), a partially

integrated loop filter, and four LVPECL clock output distribu-

tion blocks.

Integrated VCO with very low phase noise floor

■

Integrated Integer-N PLL with outstanding normalized

phase noise contribution of -224 dBc/Hz

Clock generator performance (10 Hz - 20 MHz)

■

LMK03002C: 200 fs RMS jitter

—

Jitter cleaner performance grade (12 kHz to 20 MHz)

The VCO output is optionally accessible on the Fout port. In-

ternally, the VCO output goes through a VCO Divider to feed

the various clock distribution blocks.

LMK03002: 800 fs RMS jitter

LMK03002C: 400 fs RMS jitter

—

VCO frequency: 1566 to 1724 MHz

Clock output frequency range of 1 to 862 MHz

4 LVPECL clock outputs

■

Each clock distribution block includes a programmable di-

vider, a phase synchronization circuit, a programmable delay,

a clock output mux, and an LVPECL output buffer. This allows

multiple integer-related and phase-adjusted copies of the ref-

erence to be distributed to four system components.

Partially integrated loop filter

Dedicated divider and delay blocks on each clock output

Pin compatible family of clocking devices

3.15 to 3.45 V operation

The clock conditioners come in a 48-pin LLP package and are

footprint compatible with other clocking devices in the same

family.

Package: 48 pin LLP (7.0 x 7.0 x 0.8 mm)

Target Applications

Data Converter Clocking

■

Networking, SONET/SDH, DSLAM

Wireless Infrastructure

Medical

Test and Measurement

Military / Aerospace

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

300206

www.national.com

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与LMK03002相关器件

型号	品牌	获取价格	描述	数据表
LMK03002C	NSC	获取价格	Precision Clock Conditioner with Integrated VCO
LMK03002CISQ	NSC	获取价格	Precision Clock Conditioner with Integrated VCO
LMK03002CISQ/NOPB	TI	获取价格	具有集成 VCO 的 1566 至 1724MHz、800FS RMS 抖动、精密时钟调节
LMK03002CISQX	NSC	获取价格	Precision Clock Conditioner with Integrated VCO
LMK03002CISQX/NOPB	TI	获取价格	具有集成 VCO 的 1566 至 1724MHz、800FS RMS 抖动、精密时钟调节
LMK03002ISQ	NSC	获取价格	Precision Clock Conditioner with Integrated VCO
LMK03002ISQ/NOPB	TI	获取价格	具有集成 VCO 的 1566 至 1724MHz、800FS RMS 抖动、精密时钟调节
LMK03002ISQX	NSC	获取价格	Precision Clock Conditioner with Integrated VCO
LMK03002ISQX/NOPB	TI	获取价格	具有集成 VCO 的 1566 至 1724MHz、800FS RMS 抖动、精密时钟调节
LMK03033	TI	获取价格	具有集成 VCO 的 1843 至 2160MHz、800FS RMS 抖动、精密时钟调节

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