NH25M22WK NDK | Alldatasheet
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Technical content
1706B_NH25M22WK_e Oven Controlled Crystal Oscillator (OCXO) for Fixed Communication EquipmentNH25M22WK
- Base stations for system mobile communications ● High-end router ● Synthesizer
- Measuring instrument ● Exchanger ● Optical transmission system ■ Main Application
- Low height
- Low power consumption.
- Very quick stabilization time.
- Low near-carrier phase noise characteristics. ■ Features ■ Dimensions ■ Specifications Phase Noise (at 20 MHz) Offset Frequency dBc/Hz 1 Hz Typ. –100 10 Hz Typ. –125 100 Hz Typ. –135 1 kHz Typ. –145 10 kHz Typ. –150 ■ Reference Value 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. Model Item NH25M22WK Nominal Frequency fnom (MHz) 20 Supply Voltage Vcc (V) +3.3 Load Impedance CL (pF) 15 Operating Temperature Range Topr (°C) –40 to + 85 Storage Temperature Range Tstr (°C) –40 to + 85 Power Consumption PCC (W) at start Max. 3.0 when stable, at +25 °C Max. 1.3 Frequency Tolerance Δf/fnom at +25°C, Vcont = Center, before shipment Max. 200×10-9 Frequency/Temperature Characteristics Δf/f at Operating Temperature Range Max. ±10×10–9 Frequency/Voltage Coefficient Δf/f VCC ± 5% Max. ±3×10–9 Long-term Frequency Stability Δf/f Based on frequency after 30 days operation Max. ±1×10–9 / day Max. ±50×10–9 / year Stabilization Time (min.) Time within specified frequency tolerance after power on at +25°C, based on frequency after 60minutes operation. Max. 3 / within ± 200×10–9 Output Voltage LVCMOS VOL : Max. +0.4 V VOH : Min. +2.4 V Symmetry (%) at (VOH + VOL) / 2 40 to 60 Specification Number NSC5129A mm DNC %POUDPOOFDU DNC %POUDPOOFDU V CC OUTPUT DNC %POUDPOOFDU DNC %POUDPOOFDU GND Terminal land connections To leranc e: ± 0. 3 22.0 17.8±0.1 7.62±0.1 11.0 25.4 #2#1 #3 2.5 2.5 #7 #4#5#6 Te rm inal numbe rs ar e no t pr inted. Tolerance ±0.3 It might be printed manegement code to the bottom.