Crystal Oscillator NT14M09TA High Precision Oscillator (Twin-DCXO) for Fixed Communication Equipment ■ Main Application ● Base stations for system mobile communications ● High-end router ● Synthesizer ● Measuring instrument ● Exchanger ● Optical transmission system ■ Features ● Compact, low current consumption and excellent frequency / temperaturecharacteristics. ● Excellent long-term frequency stability. ● Excellent phase noise characteristics. ● Supports wide temperature range. ● Hermetic sealing package for excellent environmental-proof performance. ■ Specifications Model Item Nominal Frequency Range fnom (MHz) NT14M09TA 5 to 40 Nominal Frequency fnom (MHz) 10, 12.8, 13, 19.2, 20, 25.6, 30.72, 38.88 Supply Voltage Vcc (V) +3.3±5% Load Impedance CL (pF) 15 Operating Temperature Range Topr (°C) –40 to +85 Storage Temperature Range Tstr (°C) –40 to +85 Current Consumption ICC (mA) Frequency Tolerance Δf/fnom Overall Frequency Tolerance Δf/f Long-term Frequency Stability Δf/f 35 at +25°C, Vcont = Center, before shipment Includes Frequency/Temperature Characteristics : at Operating Temperature Range Frequency/voltage coefficient : VCC± 5% Frequency/load coefficient : CL± 10% Max. ±1.0×10–6 Max. ±100×10–9 Max. ±300×10–9/year (Typ. ±100×10–9/year) VCont = +1.65±1.65V Based on frequency after 24 hours operation Frequency Control Range Δf/f Max. ±5.0×10–6 Frequency Change Polarity Positive Linearity (%) Max. ±5 (Typ. ±1) LVCMOS VOL : Max. +0.3 V VOH : Min. +3.0 V 45 to 55 Output Voltage at (VOH + VOL) / 2 Symmetry (%) Specification Number NSA3543A ■ Dimensions ■ Reference Value mm 14.3 9.4 Terminal land connections #1 Vcont #2 DNC (Don’t connect) #3 GND #4 OUTPUT Phase Noise (at 10 MHz) Offset Frequency 1 Hz dBc/Hz (typ.) –70 10 Hz –100 100 Hz –125 1 kHz –150 10 kHz –160 #5 DNC (Don’t connect) 6.5 #6 2.54±0.1 #1 #2 #3 #6 #5 #4 1.0±0.1 6.4 ± 0.2 2.54±0.1 VCC Terminal numbers are not printed. Tolerance ±0.3 ±0.3 It might be printed manegement codeTolerance to the bottom. We offer dedicated tool for evaluation of this product Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. 1706D_NT14M09TA_e