Datasheet > PL663-29OC-R

PL663-29OC-R

更新时间： 2024-02-29 12:26:05

品牌	Logo	应用领域
美国微芯 - MICROCHIP		机械输出元件振荡器
页数	文件大小	规格书
14页	706K
描述
CRYSTAL OSCILLATOR, CLOCK, LVDS OUTPUT

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技术参数
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PL663-29OC-R 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.18	其他特性：	TRI-STATE; ENABLE/DISABLE FUNCTION; COMPLEMENTARY OUTPUT; TR
最长下降时间：	0.7 ns	频率调整-机械：	NO
安装特点：	SURFACE MOUNT	最大工作频率：	320 MHz
最小工作频率：	200 MHz	最高工作温度：	70 °C
最低工作温度：		振荡器类型：	LVDS
输出负载：	100 OHM	物理尺寸：	5.1mm x 4.5mm x 1.2mm
最长上升时间：	0.7 ns	最大供电电压：	3.63 V
最小供电电压：	2.25 V	表面贴装：	YES
最大对称度：	55/45 %	Base Number Matches：	1

PL663-29OC-R 数据手册

Analog Frequency Multiplier

PL663-xx XO Families

EXTERNAL COMPONENT VALUES

INDUCTOR VALUE OPTIMIZATION

The required inductor value(s) for the best performance depends on the operating frequency, and the board

layout specifications. The listed values in this datasheet are based on the calculated parasitic values from

Micrel’s evaluation board design. These inductor values provide the user with a starting point to determine the

optimum inductor values. Additional fine-tuning may be required to determine the optimal solution.

To assist with the inductor value optimization, Micrel has developed the “AFM Tuning Assistant” software. You

can download this software from Micrel’s web site (www.micrel.com). The software consists of two worksheets.

The first worksheet (named L2) is used to fine-tune the ‘L2’ inductor value, and the second worksheet (named L4)

is used for fine tuning of the ‘L4’ (used in 4x AFMs only) inductor value.

For those designs using Micrel’s recommended board layout, you can use the “AFM Tuning Assistant” to

determine the optimum values for the required inductors. This software is developed based on the parasitic

information from Micrel’s board layout and can be used to determine the required inductor and parallel capacitor

(see LWB1 and Cstray parameters) values. For those employing a different board layout in their design, we

recommend to use the parasitic information of their board layout to calculate the optimized inductor values.

Please use the following fine tuning procedure:

Figure 5: Diagram Representation of the Related System Inductance and Capacitance

DIE SIDE

PCB side

- Cinternal = Based on AFM Device

- Cpad = 2.0 pF, Bond pad and its ESD circuitry

- C11 = 0.4 pF, The following amplifier stage

- LWB1 = 2 nH, (2 places), Stray inductance

- Cstray = 1.0 pF, Stray capacitance

- L2X = 2x inductor

- C2X = range (0.1 to 2.7), Fine tune inductor if used

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev. 02/18/10 Page 5

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