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NH37M28LN (for Fixed Communication)

Features

  • Low height and excellent temperature characteristics.
  • Supports wide temperature range.
  • Excellent Holdover stability (Typ. 1μs/8h).
  • Frequency adjustment by digital control method (I2C control).
    (Voltage control method (Vcont) is also possible.)

NH37M28LN_picture

  • RoHS compliant
 

Specifications

Model Name
NH37M28LN
Package Size (L × W × H : mm) 37 × 28 × 12.7
Nominal Frequency  fnom (MHz) 10
Supply Voltage  VCC (V) +5
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. 3.5 (Typ. 3.0)
when stable, at +25°C Max. 1.6
Frequency Tolerance  Δf/fnom at +25°C, Vcont=Center, before shipment Max. ± 25 × 10-9
Frequency/Temperature Characteristics  Δf/f at Operating Temperature Range Max. ±0.5×10-9
Frequency/Voltage Coefficient  Δf/f VCC ± 5% Max. ± 0.2×10-9
Long-term Frequency Stability  Δf/f Based on frequency after 7 days operation Max. ± 0.2 × 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. 5 / within ± 10 × 10-9
Holdover
* See below for conditions		 After 7days operation,
Ramp rate : 10°C/1h.
Temp. condition Range : 20°C window.		 Typ. ± 1.0 μs / 8h
Frequency Control Method Analog Control Digital Control (I2C)
Frequency Pulling Range  Δf/f Vcont = +2.5 V ± 2.5 V 0x800000 to 0x7FFFFF
Center : 0x000000
± 0.3 to ± 0.5 × 10-6 ± 0.3 to ± 0.5 × 10-6
Frequency Change Polarity Positive
Linearity (%) Max. ± 5
Output Voltage LVCMOS
VOL : Max. +0.4 V
VOH : Min. +2.4 V
Symmetry (%) at (VOH + VOL) / 2 45 to 55
Specification Number NSA3650A NSA3649A

We offer dedicated tool (charge) 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.

Dimensions

NH37M28LN Dimensions

Holdover condition

After 7days operation., Ramp rate: 10 °C/1h., Temp. condition Range: 20 °C window.
NH37M28LN Holdover

 

 

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