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NH25M22WA Dataheets PDF



Part Number NH25M22WA
Manufacturers NIHON DEMPA KOGYO
Logo NIHON DEMPA KOGYO
Description Oven-Controlled Crystal Oscillator
Datasheet NH25M22WA DatasheetNH25M22WA Datasheet (PDF)

Crystal Oscillator Model Name NH25M22WA www.DataSheet4U.com Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment n Main Application l Mobile communication base station l Measuring instrument l Synthesizer l Exchanger l High-end router n Features l Compact. l A surface-mount (SMD) package. l Reflow soldering is possible. l Excellent phase noise characteristics. l Excellent aging characteristics. n Specifications Measurement condition Standard nominal frequency (MHz) Pow.

  NH25M22WA   NH25M22WA



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Crystal Oscillator Model Name NH25M22WA www.DataSheet4U.com Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment n Main Application l Mobile communication base station l Measuring instrument l Synthesizer l Exchanger l High-end router n Features l Compact. l A surface-mount (SMD) package. l Reflow soldering is possible. l Excellent phase noise characteristics. l Excellent aging characteristics. n Specifications Measurement condition Standard nominal frequency (MHz) Power supply voltage Power consumption Output level Load Duty Cycle (1/2Vcc) Operating temperature range Frequency stability Aging Based on frequency after 30 days operation Based on frequency after 30 days operation Item Model NH25M22WA 32.768 DC +3.3V 3.0 W max. at the start and 1.3 W max. when stable (+25°C) HCMOS (VOL : 0.4V max., VOH : 2.4V min.) 10kΩ//15pF 45 to 55% −10 to +70°C ±2×10−9/day max. ±50×10−9/year max. ±20×10−9 max. ±3×10−9 max. ±0.9×10−6 min. Frequency / temperature characteristic −10 to +70°C Power supply variation characteristics DC +3.3V±5% Frequency control characteristic 0 to +2.8 V, positive polarity n Reference Value Offset frequency 1 Hz 10 Hz 100 Hz 1k Hz 10k Hz dBc/Hz −65 max. −95 max. −115 max. −125 max. −140 max. Phase noise (@32.768MHz) The value of phase noise changes when the frequency changes. n Dimensions 8.9±0.1 8.9±0.1 7.62±0.1 PIN Connections #1 #2 #3 #4 #5 #6 #7 VCONT VREF VCC OUTPUT ALARM GND(Heating) GND n List of Options Power supply voltage Nominal frequency (MHz) DC +5V 10 to 40 25.4 For details of options, please feel free to contact our sales representatives. 2.5 22 21.5 #1 #2 #3 2.5 n List of Ordering Codes Frequency (MHz) 32.768 Ordering Code NH25M22WA-32.768M-NSA3425A 15.7 #7 #6 #5 #4 Tolerance ±0.2mm The above frequencies are NDK’ s standard frequencies. Frequencies other than the above are available. Feel free to contact our sales representatives. (1.0) co44_080418_NH25M22WA_e1 .


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