Datasheet > CDCE421_15

CDCE421_15

更新时间： 2024-11-19 02:58:51

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
30页	1004K
描述
Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator

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CDCE421_15 数据手册

CDCE421

www.ti.com

SCAS842–APRIL 2007

Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator

FEATURES

•

Differential Low-Voltage Positive

Emitter-Coupled Logic (LVPECL) Output,

10.9-MHz to 1.175-GHz Frequency Range

•

Single 3.3V Supply

•

High-Performance Clock Generator

Incorporating Crystal-Oscillator Circuitry With

Integrated Frequency Synthesizer

•

Two Fully Integrated Voltage-Controlled

Oscillators (VCOs) Support Wide Output

Frequency Range

•

Low-Output Jitter, as Low as 380 fs (rms

Integrated Between 10 kHz–20 MHz)

•

Fully Integrated Programmable Loop Filter

Typical Power Consumption 240 mW in LVDS

Mode and 300 mW in LVPECL Mode

Low Phase Noise at High Frequency; at 708

MHz It Is Less Than –109 dBc/Hz at 10-kHz

and –146 dBc/Hz at 10-MHz Offset From the

Carrier

•

Chip-Enable Control Pin

Simple Serial Interface Allows Programming

After Manufacturing

•

Supports Crystal Frequencies Between

27.35 MHz to 38.33 MHz

•

Integrated On-Chip Non-Volatile Memory

(EEPROM) to Store Settings Without the Need

to Apply High Voltage to the Device

Output Frequency Ranges From 10.9 MHz up

to 766.7 MHz and From 875.2 MHz up to

1175 MHz

•

Die or QFN24 Package

•

Low-Voltage Differential Signaling (LVDS)

ESD Protection Exceeds 2 kV HBM

Industrial Temperature Range –40°C to 85°C

Output, 100-Ω Differential Off-Chip

Termination, 10.9-MHz to 400-MHz Frequency

Range

APPLICATIONS

•

Low-Cost, High-Frequency Crystal Oscillator

SDATA

Output Enable/Programming Interface and EEPROM for Configuration Settings

Loop Filter

Crystal

Oscillator

Input

CLK

X-tal

VCO 1

VCO 2

Feedback

Divider

NCLK

B0216-01

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

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

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...30

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与CDCE421_15相关器件

型号	品牌	获取价格	描述	数据表
CDCE421A	TI	获取价格	Fully-Integrated, Wide Range, Low-Jitter Crystal Oscillator Clock Generator
CDCE421ARGER	TI	获取价格	Fully-Integrated, Wide Range, Low-Jitter Crystal Oscillator Clock Generator
CDCE421ARGET	TI	获取价格	Fully-Integrated, Wide Range, Low-Jitter Crystal Oscillator Clock Generator
CDCE421RGER	TI	获取价格	Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator
CDCE421RGERG4	TI	获取价格	Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator
CDCE421RGET	TI	获取价格	Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator
CDCE421RGETG4	TI	获取价格	Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator
CDCE421Y	TI	获取价格	Fully Integrated Wide Range Low-Jitter Crystal Oscillator Clock Generator 0-DIESALE
CDCE421YS	TI	获取价格	Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator
CDCE431Y	TI	获取价格	Fully-Integrated, Wide Range, Low-Jitter Crystal Oscillator Clock Generator

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