NH25M22WC

Crystal Oscillator Model Name NH25M22WC n Main Application l Mobile communication base station l Measuring instrument l Synthesizer l Exchanger l High-end router Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment 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 five 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 +5V±5% Frequency control characteristic 0 to +5 V, positive polarity Item Model NH25M22WC 10 DC +5V 3 W max. at the start and 2 W max. when stable (+25°C) HCMOS (VOL : 0.5V max., VOH : 4.5V min.) 15pF 40 to 60% −10 to +70°C ±200×10−9 max. ±2×10−9/day max. ±100×10−9/year max. ±20×10−9 max. ±10×10−9 max. ±1.0×10−6 min. n Reference Value Offset frequency 1 Hz 10 Hz 100 Hz 1k Hz 10k Hz dBc/Hz −70 max. −100 max. −120 max. −135 max. −135 max. Phase noise (@10MHz) The value of phase noise changes when the frequency changes. n Dimensions 17.8±0.1 7.6±0.1 PIN Connections #1 #2 #3 #4 #5 #6 #7 VCONT NC VCC OUTPUT NC NC GND n List of Options Power supply voltage Nominal frequency (MHz) DC +3.3V 10 to 20 25.4±0.2 For details of options, please feel free to contact our sales representatives. 2.5 #1 22.0±0.2 #2 #3 2.5 n List of Ordering Codes Frequency (MHz) 10 Ordering Code NH25M22WC-10M-NSA3419A 7.8±0.2 #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. co46_080418_NH25M22WC_e1