CDCM61002

更新时间： 2024-09-14 06:47:07

品牌	Logo	应用领域
德州仪器 - TI		时钟发生器
页数	文件大小	规格书
34页	844K
描述
Two Output, Integrated VCO, Low-Jitter Clock Generator

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CDCM61002 数据手册

CDCM61002

www.ti.com.................................................................................................................................................... SCAS870B–FEBRUARY 2009–REVISED JULY 2009

Two Output, Integrated VCO, Low-Jitter Clock Generator

FEATURES

•

Chip Enable Control Pin Available

•

One Single-Ended/Crystal Reference Input

Including 24.8832 MHz, 25 MHz, and

26.5625 MHz

3.3-V Core and I/O Power Supply

Industrial Temperature Range: –40°C to +85°C

5-mm × 5-mm, 32-pin, QFN (RHB) Package

ESD Protection Exceeds 2 kV (HBM)

•

Input Frequency Range: 21.875 MHz to

28.47 MHz

On-Chip VCO Operates in Frequency Range of

1.75 GHz to 2.05 GHz

APPLICATIONS

•

Low Jitter Clock Driver for High-End Datacom

Applications Including SONET, Ethernet, Fibre

Channel, Serial ATA, and HDTV

Cost-Effective High-Frequency Crystal

Oscillator Replacement

2x Output Available:

–

Pin-Selectable Between LVPECL, LVDS, or

2-LVCMOS; Operates at 3.3 V

•

LVCMOS Bypass Output Available

Output Frequency Selectable by /1, /2, /3, /4, /6,

/8 from a Single Output Divider

DESCRIPTION

•

Supports Common LVPECL/LVDS Output

Frequencies:

The CDCM61002 is a highly versatile, low-jitter

frequency synthesizer that can generate two low-jitter

clock outputs, selectable between low-voltage

positive emitter coupled logic (LVPECL), low-voltage

differential signaling (LVDS), or low-voltage

–

62.5 MHz, 74.25 MHz, 75 MHz, 77.76 MHz,

100 MHz, 106.25 MHz, 125 MHz, 150 MHz,

155.52 MHz, 156.25 MHz, 159.375 MHz,

187.5 MHz, 200 MHz, 212.5 MHz, 250 MHz,

311.04 MHz, 312.5 MHz, 622.08 MHz,

625 MHz

complementary

metal

oxide

semiconductor

(LVCMOS) outputs, from a low-frequency crystal or

LVCMOS input for a variety of wireline and data

communication applications. The CDCM61002

features an onboard PLL that can be easily

configured solely through control pins. The overall

output random jitter performance is less than 1ps,

RMS (from 10 kHz to 20 MHz), making this device a

perfect choice for use in demanding applications such

as SONET, Ethernet, Fibre Channel, and SAN. The

CDCM61002 is available in a small, 32-pin, 5-mm ×

5-mm QFN package.

•

Supports Common LVCMOS Output

Frequencies:

–

62.5 MHz, 74.25 MHz, 75 MHz, 77.76 MHz,

100 MHz, 106.25 MHz, 125 MHz, 150 MHz,

155.52 MHz, 156.25 MHz, 159.375 MHz,

187.5 MHz, 200 MHz, 212.5 MHz, 250 MHz

Output Frequency Range: 43.75 MHz to

683.264 MHz (See Table 3)

•

Internal PLL Loop Bandwidth: 400 kHz

High-Performance PLL Core:

–

Phase Noise typically at –146 dBc/Hz at

5-MHz Offset for 625-MHz LVPECL Output

–

Random Jitter typically at 0.509 ps, RMS

(10 kHz to 20 MHz) for 625-MHz LVPECL

Output

•

Output Duty Cycle Corrected to 50% (± 5%)

Low Output Skew of 20 ps on LVPECL Outputs

Divider Programming Using Control Pins:

–

Two Pins for Prescaler/Feedback Divider

Three Pins for Output Divider

–

Two Pins for Output Select

space

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

space Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...34

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与CDCM61002相关器件

型号	品牌	获取价格	描述	数据表
CDCM61002_10	TI	获取价格	Two Output, Integrated VCO, Low-Jitter Clock Generator
CDCM61002RHBR	TI	获取价格	Two Output, Integrated VCO, Low-Jitter Clock Generator
CDCM61002RHBT	TI	获取价格	Two Output, Integrated VCO, Low-Jitter Clock Generator
CDCM61004	TI	获取价格	Four Output, Integrated VCO, Low-Jitter Clock Generator
CDCM61004_10	TI	获取价格	Four Output, Integrated VCO, Low-jitter Clock Generator
CDCM61004_101	TI	获取价格	Four Output, Integrated VCO, Low-Jitter Clock Generator
CDCM61004RHBR	TI	获取价格	Four Output, Integrated VCO, Low-Jitter Clock Generator
CDCM61004RHBR/2801	TI	获取价格	1:4 超低抖动晶振时钟发生器 \| RHB \| 32 \| -40 to 85
CDCM61004RHBT	TI	获取价格	Four Output, Integrated VCO, Low-Jitter Clock Generator
CDCM6100XEVM	TI	获取价格	One Output, Integrated VCO, Low-Jitter Clock Generator

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