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32.7680KHZLSMC025UCPA PDF预览

32.7680KHZLSMC025UCPA

更新时间： 2024-02-22 16:50:07
品牌 Logo 应用领域
STATEK 机械输出元件石英晶振振荡器
页数 文件大小 规格书
1页 255K
描述
XO, Clock, CRYSTAL OSCILLATOR, CLOCK, 0.032768 MHz, CMOS OUTPUT, ROHS COMPLIANT, HERMETIC SEALED, MINIATURE, CERAMIC, SMD, 4 PIN

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32.7680KHZLSMC025UCPA 数据手册

  
LSM Series Oscillators  
QUARTZ  
EURO  
Low Power - Low Frequency SMD Oscillator  
Low current consumption, low frequency from 30kHz  
Low profile, miniature SMD package  
Full military testing available  
Testing to MIL-PRF-55310 available  
DESCRIPTION  
LSM series oscillators are precision surface mount oscillators with a  
frequency range from 30kHz to 200kHz. The part comprises of a  
hermetically sealed crystal with a hybrid circuit sealed in a ceramic  
package with a Kovar lid. Full MIL testing is available.  
OUTLINE & DIMENSIONS  
SPECIFICATION  
Frequency Range****:  
Supply Voltage*:  
Calibration Tolerance**  
Code A:  
30kHz to 200kHz (32.768kHz)  
3.3 or 5.0 Volts ±10%  
±0.001% (±10ppm)  
±0.0025%  
Code B:  
Code C:  
±0.01%  
Frequency Stability***  
0° to +50°C:  
-20° to +40°C:  
Voltage Coefficient  
±0.0025% typical (±25ppm)  
±0.004% maximum (±40ppm)  
±0.007% typical (±70ppm)  
±0.01% maximum (±100ppm  
±1ppm/V typical  
±3ppm/V maximum  
Ageing:  
±1ppm/year typical  
±3ppm/year maximum  
1000g, 1ms, ½ sine, ±3ppm max.  
10g rms, 10-2000Hz, ±3ppm max.  
Shock:  
Vibration:  
Frequency Change  
vs. Output Load Change:  
Operating Temperature:  
±1ppm maximum  
Notes:  
-10° to +70°C Commercial  
-40° to +85°C Industrial  
-55° to +125°C Military  
*
**  
***  
Contact factory for lower supply voltages  
Tighter tolerances avialable  
Does not include calibration tolerance. Positive variations  
are small compared to negative variations.  
Contact factory for frequencies other than 32.7680kHz  
Output Voltage (5.0V supply)  
HIGH:  
4.8V minimum, 4.95V typical  
0.2V maximum, 0.05V typical  
12ns typical  
LOW:  
****  
Rise/Fall Times:  
Symmetry:  
40/60% maximum, 45/55% typical  
Supply Current  
5.0V supply: 15 mA max., 8.3 mA typical  
3.3V supply: 10 mA max., 5.5 mA typical  
Tray pack (standard)  
PART NUMBERING  
Packaging:  
Example: 32.7680kHz LSMA050UMTA  
16mm tape, 17.8cm or 33cm reels  
Frequency  
Series Designation LSM  
Calibration Tolerance (see table above)  
Stability*  
ENABLE/DISABLE, POWER DOWN, NOT CONNECTED  
Pad 3  
Specifying  
Code  
Pad 1*  
Option  
100 = ±100ppm  
50 = ±50ppm  
25 = ±25ppm  
Power Down  
P
T
LOW  
HIGH  
LOW  
HIGH  
NC  
High Z  
Frequency output  
High Z  
Frequency output  
Frequency output  
Output Universal (CMOS)  
Operating Temp. Range  
C = Commercial  
I = Industrial  
Enable/Disable  
Not Connected  
Blank  
M = Military  
Pad 1 Function  
* Normally HIGH (internal pull-up resistor)  
T = Enable/Disable  
Blank = not connected  
Supply Voltage**  
Blank = 5.0 Volts  
A = 3.3 Volts  
ENABLE/DISABLE vs. POWER DOWN  
P - Power Down: When Pad 1 is LOW the oscillator stops running  
T - Enable/Disable: When Pad 1 is LOW the internal oscillator  
continues to run but the output (Pad 3) is in a  
high impedance (Z) state.  
*
For other stability requirements enter figure required.  
** For other supply voltage enter required voltage.  
Power Down:  
Disabled current consumption low,  
recovery delayed.  
Enable/Disable:  
Disabled current consumption lower than normal,  
Recovery immediate.  
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE  
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk  
1

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