ADCLK944

更新时间： 2024-11-24 06:36:19

品牌	Logo	应用领域
亚德诺 - ADI		时钟
页数	文件大小	规格书
12页	217K
描述
2.5 V/3.3 V, Four LVPECL Outputs, SiGe Clock Fanout Buffer

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ADCLK944 数据手册

2.5 V/3.3 V, Four LVPECL Outputs,

SiGe Clock Fanout Buffer

ADCLK944

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Operating frequency: 7.0 GHz

Broadband random jitter: 50 fs rms

On-chip input terminations

LVPECL

ADCLK944

Power supply (V_CC− V_EE): 2.5 V to 3.3 V

REF

REFERENCE

APPLICATIONS

Low jitter clock distribution

Clock and data signal restoration

Level translation

Wireless communications

Wired communications

CLK

Medical and industrial imaging

ATE and high performance instrumentation

Figure 1.

The ADCLK944 features four full-swing emitter-coupled logic

(ECL) output drivers. For LVPECL (positive ECL) operation,

bias V_CCto the positive supply and V_EEto ground. For ECL

operation, bias V_CCto ground and V_EEto the negative supply.

GENERAL DESCRIPTION

The ADCLK944 is an ultrafast clock fanout buffer fabricated on

the Analog Devices, Inc., proprietary XFCB3 silicon germanium

(SiGe) bipolar process. This device is designed for high speed

applications requiring low jitter.

The ECL output stages are designed to directly drive 800 mV

each side into 50 Ω terminated to V_CC− 2 V for a total differen-

tial output swing of 1.6 V.

The device has a differential input equipped with center-tapped,

differential, 100 Ω on-chip termination resistors. The input can

accept dc-coupled LVPECL, CML, 3.3 V CMOS (single-ended),

and ac-coupled 1.8 V CMOS, LVDS, and LVPECL inputs. A V_REF

pin is available for biasing ac-coupled inputs.

The ADCLK944 is available in a 16-lead LFCSP and is specified

for operation over the standard industrial temperature range of

−40°C to +85°C.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

12 3 4 5 6 7...12

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与ADCLK944相关器件

型号	品牌	获取价格	描述	数据表
ADCLK944/PCBZ	ADI	获取价格	2.5 V/3.3 V, Four LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK944BCPZ-R2	ADI	获取价格	2.5 V/3.3 V, Four LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK944BCPZ-R7	ADI	获取价格	2.5 V/3.3 V, Four LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK944BCPZ-WP	ADI	获取价格	2.5 V/3.3 V, Four LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK946	ADI	获取价格	Six LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK946/PCBZ	ADI	获取价格	Six LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK946BCPZ	ADI	获取价格	Six LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK946BCPZ-REEL7	ADI	获取价格	Six LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK948	ADI	获取价格	Two Selectable Inputs, 8 LVPECL Outputs, SiGe Clock Fanout Buffer
ADCLK948/PCBZ	ADI	获取价格	Two Selectable Inputs, 8 LVPECL Outputs, SiGe Clock Fanout Buffer

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