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546SA-19.44 PDF预览

546SA-19.44

更新时间: 2024-02-29 18:25:48
品牌 Logo 应用领域
西迪斯 - CTS 机械振荡器
页数 文件大小 规格书
2页 35K
描述
CMOS Output Clock Oscillator, 19.44MHz Nom

546SA-19.44 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
风险等级:5.84老化:2.5 PPM/20 YEAR
最长下降时间:6 ns频率调整-机械:NO
频率稳定性:0.25%安装特点:SURFACE MOUNT
标称工作频率:19.44 MHz最高工作温度:50 °C
最低工作温度:-5 °C振荡器类型:CMOS
输出负载:10 KOHM, 15 pF物理尺寸:1.15mm x 1mm x 0.39mm
最长上升时间:6 ns最大供电电压:5.25 V
最小供电电压:4.75 V标称供电电压:5 V
表面贴装:YES最大对称度:60/40 %
Base Number Matches:1

546SA-19.44 数据手册

 浏览型号546SA-19.44的Datasheet PDF文件第2页 
Preliminary Specification  
Rev. X01  
CTS  
¨ Frequency Stability to Stratum 3 of GR-1244  
¨ Patented Voltage Tuned Thermistor Network  
¨ Very Low Phase Jitter: < 1 pSec  
¨ +3.3Vdc or +5.0Vdc Operation  
Model 546  
“VTTN ” Series  
Stratum 3 TCXO  
¨ Precision Low Aging “AT” Cut Crystal  
¨ Compatible with Semtech SETS Chipsets  
¨ Surface Mount Pkg. – Matches Vectron Z5  
Electrical Characteristics  
Parameter  
Sym  
Conditions  
Min  
Typical  
Max  
Unit  
Power  
Requirements  
Power Supply  
Vcc  
3.135  
4.75  
3.30  
5.0  
12  
3.465  
5.25  
Note 1  
Vdc  
Vdc  
mA  
mA  
± 5%  
±5%  
Vcc=Max. (3.3Vdc)  
Std. Load (5.0Vdc)  
546L  
546S  
Supply Current  
Icc  
15  
Frequency  
Stabilities  
Center Frequency  
fnom  
1.25  
38.88  
20  
38.88  
MHz  
19.44  
12.8  
10  
Initial Tolerance  
Freq. vs. Temp.  
Freq. vs. Voltage  
fcal  
Ta=+25°C  
±0.75  
ppm  
ppm  
ppm  
ppm  
ppm  
Df/DTemp  
±0.25  
± 0.1  
±2.5  
Vcc ±5%  
Df/DVcc  
Df/DTime  
Df/24Hr  
Freq. vs Time  
(Aging)  
24 Hour Holdover  
Stability  
20 years  
Inclusive of Temp.,  
Supply Variation  
and 24Hrs. Aging  
All Cond. for 20  
±0.30  
±0.37  
±4.6  
Total Free-  
ppm  
Df/Life  
Running Accuracy  
Yrs. (Ref. to fnom  
)
Waveform:  
CMOS Output  
Symmetry  
Amplitude  
Sym  
Vo  
@ 50% Level  
40  
0.8Vcc  
50  
60  
%
V
V
Logic “1”  
Logic “0”  
20% to 80%  
Output to Ground  
Offset = 100HZ  
1KHz  
0.3  
6
Rise/Fall Times  
Load  
Phase Noise  
tr, tf  
RL  
Pn  
nSec  
10KW ½½ 15pF  
-115  
dBc/Hz  
dBc/Hz  
dBc/Hz  
dBc/Hz  
-130  
-140  
-150  
10KHz  
100KHz  
Phase Jitter  
12KHz to 20MHz  
Bandwidth  
1.0  
pSec RMS  
Note 1: Maximum Current will vary with Frequency  

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