参数资料
型号: ICS840002AGILFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 15/15页
文件大小: 0K
描述: IC FREQ SYNTHESIZER 16-TSSOP
标准包装: 2,500
系列: HiPerClockS™, FemtoClock™
类型: 频率合成器
PLL: 带旁路
输入: LVCMOS,LVTTL,晶体
输出: LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/无
频率 - 最大: 226.67MHz
除法器/乘法器: 是/无
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
其它名称: 840002AGILFT
840002AGI
www.idt.com
REV. A NOVEMBER 10, 2010
9
ICS840002I
FEMTOCLOCKSCRYSTAL-TO-
LVCMOS/LVTTL FREQUENCY SYNTHESIZER
APPLICATION INFORMATION
As in any high speed analog circuitry, the power supply pins
are vulnerable to random noise. The ICS840002I provides
separate power supplies to isolate any high switching
noise from the outputs to the internal PLL. V
DD, VDDA, and VDDO
should be individually connected to the power supply
plane through vias, and bypass capacitors should be
used for each pin. To achieve optimum jitter performance,
power supply isolation is required.
Figure 1 illustrates how
a 10
Ω resistor along with a 10F and a .01μF bypass
capacitor should be connected to each V
DDA.
POWER SUPPLY FILTERING TECHNIQUES
FIGURE 1. POWER SUPPLY FILTERING
10
Ω
V
DDA
10
μF
.01
μF
3.3V or 2.5V
.01
μF
V
DD
CRYSTAL INPUT INTERFACE
The ICS840002I has been characterized with 18pF parallel
resonant crystals. The capacitor values shown in
Figure 2
Figure 2. CRYSTAL INPUt INTERFACE
below were determined using a 26.5625MHz 18pF parallel
resonant crystal and were chosen to minimize the ppm error.
ICS840002I
C1
22p
X1
18pF Parallel Crystal
C2
22p
XTAL_OUT
XTAL_IN
相关PDF资料
PDF描述
VI-J44-MZ-F1 CONVERTER MOD DC/DC 48V 25W
VI-J43-MZ-F4 CONVERTER MOD DC/DC 24V 25W
VI-J53-MZ-F4 CONVERTER MOD DC/DC 24V 25W
VI-J53-MZ-F3 CONVERTER MOD DC/DC 24V 25W
ICS843156AKLFT IC CLK GENERATOR 32VFQFP
相关代理商/技术参数
参数描述
ICS840002AGIT 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840002AGLF 功能描述:IC FREQ SYNTHESIZER 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT
ICS840002AGLFT 功能描述:IC FREQ SYNTHESIZER 16-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:HiPerClockS™, FemtoClock™ 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT
ICS840002AGT 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/
ICS840002AI 制造商:ICS 制造商全称:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER