参数资料
型号: ADCLK944BCPZ-R7
厂商: Analog Devices Inc
文件页数: 1/12页
文件大小: 0K
描述: IC CLOCK BUFFER 1:4 7GHZ 16LFCSP
标准包装: 1,500
系列: SIGe
类型: 扇出缓冲器(分配)
电路数: 1
比率 - 输入:输出: 1:4
差分 - 输入:输出: 是/是
输入: CML,CMOS,LVDS,LVPECL
输出: ECL,LVPECL
频率 - 最大: 7GHz
电源电压: 2.375 V ~ 3.63 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘,CSP
供应商设备封装: 16-LFCSP-WQ(3x3)
包装: 带卷 (TR)
2.5 V/3.3 V, Four LVPECL Outputs,
SiGe Clock Fanout Buffer
ADCLK944
Rev. 0
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FEATURES
Operating frequency: 7.0 GHz
Broadband random jitter: 50 fs rms
On-chip input terminations
Power supply (VCC VEE): 2.5 V to 3.3 V
APPLICATIONS
Low jitter clock distribution
Clock and data signal restoration
Level translation
Wireless communications
Wired communications
Medical and industrial imaging
ATE and high performance instrumentation
FUNCTIONAL BLOCK DIAGRAM
LVPECL
ADCLK944
REFERENCE
REF
VT
Q0
Q1
Q2
V
CLK
Q2
Q3
CLK
0
87
70
-00
1
Figure 1.
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 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 VREF
pin is available for biasing ac-coupled inputs.
The ADCLK944 features four full-swing emitter-coupled logic
(ECL) output drivers. For LVPECL (positive ECL) operation,
bias VCC to the positive supply and VEE to ground. For ECL
operation, bias VCC to ground and VEE to the negative supply.
The ECL output stages are designed to directly drive 800 mV
each side into 50 Ω terminated to VCC 2 V for a total differen-
tial output swing of 1.6 V.
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.
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ADCLK946BCPZ 功能描述:IC CLK BUFFER 1:6 4.8GHZ 24LFCSP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器,驱动器 系列:SIGe 标准包装:74 系列:- 类型:扇出缓冲器(分配) 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL,LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN(5x5) 包装:管件
ADCLK946BCPZ-REEL7 功能描述:IC CLK BUFFER 1:6 4.8GHZ 24LFCSP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器,驱动器 系列:SIGe 标准包装:74 系列:- 类型:扇出缓冲器(分配) 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL,LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN(5x5) 包装:管件