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M685-02-AD-AO PDF预览

M685-02-AD-AO

更新时间: 2024-09-17 12:57:51
品牌 Logo 应用领域
艾迪悌 - IDT 振荡器压控时钟SAW振荡器
页数 文件大小 规格书
7页 116K
描述
SAW Oscillator, 644.5313MHz Nom

M685-02-AD-AO 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:ObsoleteReach Compliance Code:not_compliant
风险等级:5.92Is Samacsys:N
其他特性:NOMINAL FREQUENCY 614.4000 MHZ AVAILABLE最大控制电压:3.3 V
最小控制电压:最长下降时间:0.425 ns
频率偏移/牵引率:120 ppm频率稳定性:100%
JESD-609代码:e0线性度:6%
安装特点:SURFACE MOUNT标称工作频率:644.5313 MHz
最高工作温度:85 °C最低工作温度:-40 °C
振荡器类型:SAW OSCILLATOR输出兼容性:LVPECL
物理尺寸:13.97mm x 8.89mm x 3.05mm最长上升时间:0.425 ns
最大压摆率:125 mA最大供电电压:3.63 V
最小供电电压:2.97 V标称供电电压:3.3 V
表面贴装:YES最大对称度:55/45 %
端子面层:Tin/Lead (Sn/Pb)Base Number Matches:1

M685-02-AD-AO 数据手册

 浏览型号M685-02-AD-AO的Datasheet PDF文件第2页浏览型号M685-02-AD-AO的Datasheet PDF文件第3页浏览型号M685-02-AD-AO的Datasheet PDF文件第4页浏览型号M685-02-AD-AO的Datasheet PDF文件第5页浏览型号M685-02-AD-AO的Datasheet PDF文件第6页浏览型号M685-02-AD-AO的Datasheet PDF文件第7页 
P r e l i m i n a r y I n f o r m a t i o n  
M685  
D
UAL SAW, SELECTABLE FREQUENCY VCSO  
G
ENERAL  
D
ESCRIPTION  
PIN  
ASSIGNMENT (5 x 7.5mm SMT)  
The M685 is a dual SAW, selectable frequency VCSO  
frequency source for low-jitter clock  
generation. An integrated SAW (surface  
acoustic wave) delay line implements the  
high-Q VCO (voltage controlled oscillator)  
function, which results in low output phase  
M685  
M680  
noise and very low jitter. The M685-01 is available in  
a range of center frequencies from 125 to 177 MHz.  
The M685-02 provides 500 to 708 MHz. Guaranteed  
minimum pull-range of ±120 ppm meets GbE  
requirements. (It also fully satisfies ±50 ppm minimum  
pull-range specification commonly required.) Industry-  
standard Kvco (VCO Gain) provides full replacement  
compatibility. The M685 is well suited for phase-locked  
loop implementations, clock and data recovery circuits,  
and other timing applications in telecom and optical  
fiber networking systems (e.g., OC-48).  
(Top View)  
Figure 1: Pin Assignment  
Sample of Available Output Frequencies  
VCSO Center  
Applications  
Frequencies1 (MHz)  
F
EATURES  
Two integrated SAW devices and selectable output  
frequency; supports multi-rate optical interfaces  
155.5200, 167.3316  
156.2500, 161.1328  
622.0800, 669.3266  
625.0000, 644.5313  
SONET/SDH, SONET/SDH FEC  
M685-01 output frequencies from 125 to 177 MHz  
M685-02 output frequencies from 500 to 708 MHz  
(Specify center frequencies at time of order)  
Gigabit Ethernet, GbE FEC  
SONET/SDH, SONET/SDH FEC  
Gigabit Ethernet, GbE FEC  
Industry-standard Kvco for full compatibility  
Low phase jitter 0.2ps rms typical for the M685-02  
(50kHz to 80MHz)  
Table 1: Sample of Available Output Frequencies  
Note 1: Specify VCSO center frequencies at time of order  
Differential 3.3V LVPECL output  
Single 3.3V power supply  
Small 5 x 7.5mm SMT (surface mount) package  
Pb-free / Compliant to EC RoHS Directive  
B
LOCK  
D
IAGRAM  
M685  
SAW Delay Line  
Phase  
Shifter  
VCSO  
FOUT  
VIN  
nFOUT  
SAW Delay Line  
Phase  
VCSO  
Shifter  
F_SEL  
Figure 2: Block Diagram  
M685 Datasheet Rev 0.7  
Revised 29Jul2009  
M685 Dual SAW, Selectable Frequency VCSO  
Integrated Device Technology, Inc. Communication Modules www.idt.com tel (508) 852-5400  

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