Crystal Oscillator NH25M22WG Oven Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment ■ Main Application ● Base stations for system mobile communications ● Optical transmission system ● Measuring instrument ● Synthesizer ■ Features ● Exchanger ● High-end router ● Low height and low power-driven type. ● Low power consumption. ● Very quick stabilization time. ● Excellent long-term frequency stability. (Max. ±30×10-9 / year) ● Excellent phase noise characteristics at frequency offsets. (-100dBc / Hz at 1Hz offset) ■ Specifications Model Item Measurement condition Nominal Frequency (MHz) NH25M22WG 10 Supply Voltage [VCC] (V) +3.3 ±5 % at start Power Consumption (W) Max. 3 when stable (+25 °C) Max. 1.0 Max. 1.3 LVCMOS level (VOL Max. 0.3 V, VOH Min. 2.4 V) Output Voltage at+(VOH + VOL) / 2 Symmetry (%) 40 to 60 Load Impedance (pF) 15 Operating Temperature Range (°C) 0 to +70 −40 to +85 Storage Temperature Range (°C) −40 to +85 Stabilization Time (Frequency Stability) within ±200 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Stabilization Time (Frequency Stability) within ±50 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Stabilization Time Long-term Frequency stability Max. 90 seconds Max. 2 minutes Max. 3 minutes Max. 4 minutes Max. ±1×10−9/day Based on frequency after 30 days operation Max. ±30×10−9/year Frequency/Temperature Characteristics within Operating Temperature Range Frequency/Voltage Coefficient VCC +3.3 V ± 5 % Max. ±10×10−9 Max. ±3×10−9 Frequency Control range Vcont +1.4 ± 1.4 V Min. ±500×10−9 Frequency Change Polarity Positive Specification Number NSA3626A ■ Dimensions NSC5066A ■ Reference Value mm 17.8±0.1 7.62±0.10 25.4±0.3 Terminal land connections 22±0.3 #1 Vcont #2 DNC (Do not connect) #3 VCC #4 OUTPUT #5 DNC #6 DNC #7 GND Phase Noise (at 10 MHz) Short-term Frequency Stability (at 10MHz) Offset Frequency dBc/Hz 1 Hz Typ. −100 10 Hz Typ. −125 100 Hz Typ. −142 1 kHz Typ. −152 10 kHz Typ. −152 τ=1 Typ. 3.8×10−12 We offer a test instrument(charge) for measuring accurately. 12.1±0.3 Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. 2.5±0.3 #2 #3 2.5±0.3 #1 #7 #6 #5 #4 -8- 1604C_NH25M22WG_e