NH25M22WD

Crystal Oscillator Model Name NH25M22WD 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, with a low height. 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 Frequency warm-up characteristic +25°C three minutes after power is on Aging Based on frequency after 30 days operation Based on frequency after 30 days operation Frequency / temperature characteristic −10 to +70°C Power supply variation characteristics DC +3.3V±5% Item Model NH25M22WD 12.8 DC +3.3V 2.7 W max. at the start and 1 W max. when stable (+25°C) HCMOS (VOL : 0.4V max., VOH : 2.9V min.) 10kΩ//15pF 40 to 60% −10 to +70°C ±500×10−9 max. ±10×10−9/day max. ±500×10−9/year max. ±300×10−9 max. ±50×10−9 max. n Reference Value Offset frequency 1 Hz 10 Hz 100 Hz 1k Hz 10k Hz dBc/Hz −60 max. −90 max. −120 max. −130 max. −140 max. Phase noise (@12.8MHz) The value of phase noise changes when the frequency changes. n Dimensions 7.62±0.1 PIN Connections #1 #2 #3 #4 #5 #6 #7 NC NC VCC OUTPUT NC NC GND n List of Options Power supply voltage Nominal ...