Crystal Oscillator Model Name NH14M09TA High Precision Oscillator (Twin-OCXO) for Fixed Communication Equipment ■ Main Application ● Base stations for system mobile communications ● Optical transmission system ● Measuring instrument ● Synthesizer ■ Features ● Exchanger ● High-end router ● Compact and excellent temperature characteristics. ● Excellent long-term frequency stability. ● Excellent phase noise characteristics. ● Hermetic sealing package for excellent environmental-proof performance. ● Supports wide temperature range (–40 to +85 °C) ■ Specifications Model Item Measurement condition Nominal frequency range (MHz) NH14M09TA 5 to 40 Nominal frequency (MHz) 10, 12.8, 13, 16.384, 19.2, 20, 25, 26, 30.72, 38.4, 38.88, 40 Supply voltage [VCC] (V) +3.3 ±5 % Power consumption (W) at start Typ. 1.3 (Max. 2.0) when stable (+25 °C) Typ. 0.6 (Max. 1.0) LVCMOS (VOL Max. 0.3 V, VOH Min. 3 V) Output voltage Symmetry (%) 45 to 55 at 1/2 VCC Load impedance (pF) 15 Operating temperature range (°C) Refer to *1 Storage temperature range (°C) –40 to +85 Stabilization Time (Frequency Stability) within ±100 ×10−9 after power on at +25°C , based on frequency after 60minutes operation. Stabilization time Long-term frequency stability Max. 3 minutes Based on frequency after 30 days operation Max. ±5×10–9/day Based on frequency after 30 days operation Max. ±500×10–9/year Frequency/Temperature characteristics Refer to *1 Frequency/Voltage coefficient VCC +3.3 V ±5 % Frequency control range Vcont +0.2 V to +2.8 V (@ +1.5V) Frequency change polarity Frequency change polarity Linearity ■ Dimensions Typ. ±5×10–9 (Max. ±10×10–9) Min. ±5.0×10–6 ■ Reference Value mm 14.3±0.3 Terminal land connections 9.4±0.3 #1 Vcont #4 OUTPUT #2 NC* #5 NC* #3 GND #6 VCC *Please don’t connect Phase noise (at 10 MHz) Positive Typ. 1% Offset frequency 1 Hz dBc/Hz –75 10 Hz –100 100 Hz –125 1 kHz –150 10 kHz –160 The value of phase noise changes when the frequency changes. ■ *1 List of Options 6.5±0.2 Operating temperature range (°C) Frequency/temperature characteristics Ordering Code 2.54±0.1 2.54±0.1 Land pattern (Typical) Operating temperature range (°C) Frequency/temperature characteristics Ordering Code #6 #5 #4 6.4±0.2 #1 #2 #3 2.25 3.00 3.00 2.25 1.25 1.0±0.1 Filled with underfill (Not metallized) 2.54 2.54 –20 to +70 Max. ±10×10–9 NH14M09TA–[ ]–NSA3540F –40 to +85 Max. ±10×10–9 NH14M09TA–[ ]–NSA3540E Please specify a NDK's nominal frequency in the square brackets. (Example 10MHz : Please specify 10M in the square brackets.) Frequencies other than the above are available. Feel free to contact our sales representatives. -2- 13A_1227_NH14M09TA_j