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ADCLK946,pdf,datasheet

Six LVPECL Outputs, SiGe Clock Fanout Bu

软件大小：269KB
更新日期：2009/9/30
软件语言：简体中文
软件类别：机械电子
软件授权：共享软件
软件官网：暂无
适用平台：Vista, Win2003, WinXP, Win2000, NT

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TheADCLK946isanultrafastclockfanoutbuff。

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The ADCLK946 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 device has a differential input equipped with center-tapped, differential, 100 Ω on-chip termination resistors. The input accepts 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 ADCLK946 features six full-swing emitter-coupled logic (ECL) output drivers. For LVPECL (positive ECL) operation, bias V_CC to the positive supply and V_EE to ground. For ECL operation, bias V_CC to ground and V_EE to the negative supply.

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 ADCLK946 is available in a 24-lead LFCSP and is specified for operation over the standard industrial temperature range of −40°C to +85°C.

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