Crystal Oscillator Model Name NH26M26LA Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment ■ Main Application ● Mobile communication base station ● Exchanger ● Measuring instrument ● Synthesizer ● High-end router ■ Features ● Compact, with a low height. ● Excellent rise characteristics. ● Excellent phase noise characteristics. (-125dBc/Hz at 1kHz) ● Excellent long-term frequency stability.(±500×10-9/year) d En ■ Specifications Model Item Measurement condition Nominal frequency (MHz) NH26M26LA 10 Supply voltage [VCC] (V) Power consumption (W) +3.3 ±5 % at start Max. 2.5 when stable (+25 °C) Max. 1.3 HCMOS level (VOL Max. 0.4 V, VOH Min. 2.4 V) Output voltage Symmetry (%) 40 to 60 Load impedance (pF) Operating temperature range (°C) Storage temperature range (°C) Stabilization time 15 0 to +70 -40 to +85 Stabilization Time (Frequency Stability) within ±500 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Max. 5 minutes Based on frequency after 72 hours operation Max. ±10×10−9/day Based on frequency after 72 hours operation Max. ±500×10−9/year D 12 e lif 20 - Long-term frequency stability of at 1/2 VCC Frequency/Temperature characteristics 0 to +70 °C Max. ±100×10−9 Frequency/voltage coefficient VCC +3.3 V ± 5 % Max. ±20×10−9 Frequency control range Vcont +1.4 ± 1.4 V Min. ±2×10−6 ec Frequency change polarity ■ Reference Value Phase noise (at 10 MHz) Offset frequency dBc/Hz 1 Hz −65 10 Hz −95 100 Hz −120 1 kHz −125 10 kHz −130 The value of phase noise changes when the frequency changes. ■ Dimensions ■ List of Options mm 5 - Φ0.5 ± 0.1 #2 #1 11max 5min 26max OUTPUT GND Vcont NC VCC Terminal number is not printed 12.1 19.05 18.4 19.05 #4 Power supply voltage [VCC] (V) +5 Nominal frequency range (MHz) 10 to 20 For details of options, please feel free to contact our sales representatives. ■ List of Ordering Codes Nominal frequency (MHz) 10 4.5min #3 STAND OFF (GLASS) 4POINT #5 0.65 ± 0.15 26max Pin connections #1 #2 #3 #4 #5 Positive Ordering Code NH26M26LA-10M-NSA3424A The above frequencies are NDK’s standard frequencies. Frequencies other than the above are available. Feel free to contact our sales representatives. Tolerance ±0.5 mm ocxo07_110922_NH26N26LA_e