NH25M22WA NIHON DEMPA KOGYO, NH25M22WA Datasheet
NH25M22WA
Manufacturer Part Number
NH25M22WA
Description
Model Name Nh25m22wa Oven-controlled Crystal Oscillator Ocxo For Fixed Communication Equipment Crystal Oscillator
Manufacturer
NIHON DEMPA KOGYO
Datasheet
1.NH25M22WA.pdf
(1 pages)
The value of phase noise changes when the frequency changes.
Crystal Oscillator
Model Name NH25M22WA
Nominal frequency (MHz)
Supply voltage [V
Power consumption (W)
Output voltage
Symmetry (%)
Load impedance (pF)
Operating temperature range (℃)
Frequency control range
Frequency change polarity
Item
n
n
n
n
Phase noise (at 32.768 MHz)
n
l Mobile communicationbase station
l Measuring instrument
l Compact.
l A surface-mount (SMD) package.
l Reflow soldering is possible.
Stabilization time
Long-term frequency stability
Frequency/Temperature characteristics
Frequency/Voltage coefficient
Main Application
Features
Specifications
Reference Value
Dimensions
8.9 ± 0.1
#1
#7 #6
21.5
22
#2
CC
2.5
8.9 ± 0.1
#5 #4
] (V)
#3
7.62 ± 0.1
Measurement condition
l Synthesizer
at start
when stable (+25 °C)
at 1/2 V
Stabilization Time (Frequency Stability) within
±50 ×10
based on frequency after 60minutes operation.
Based on frequency after 30 days operation
Based on frequency after 30 days operation
−10 ℃ to +70 ℃
V
+1.4 ±1.4 V
CC
+3.3 V ±5 %
−9
CC
l Excellent phase noise characteristics.
l Excellent aging characteristics.
after power on at +25°C ,
l Exchanger
Terminal land connections
#1
#2
#3
#4
#5
#6
#7
Oven-Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment
l High-end router
Tolerance ±0.2 mm
GND(Heating)
GND(Case)
OUTPUT
V
V
CONT
NC
NC
CC
mm
Offset frequency
Model
100 Hz
10 kHz
10 Hz
1 kHz
1 Hz
For details of options, please feel free to contact
our sales representatives.
The above frequencies are NDK’ s standard frequencies.
Frequencies other than the above are available. Feel free to
contact our sales representatives.
Power supply voltage [V
Nominal frequency range (MHz)
Frequency
n
n
HCMOS level (V
32.768
(MHz)
List of Options
List of Ordering Codes
NH25M22WA-32.768M-NSA3425A
Max. ±50×10
Max. ±2×10
Max. ±20×10
Min. ±0.9×10
NH25M22WA
Max. ±3×10
OL
−10 to +70
+3.3 ±5 %
5 minutes
Max. 3.0
Max. 1.3
CC
Max. 0.4 V, V
40 to 60
Positive
32.768
] (V)
15
Ordering Code
−9
−9
Max. −115
Max. −125
Max. −140
co54_090925_NH25M22WA_e
/day
dBc/Hz
Max. −65
Max. −95
/year
−9
−9
−6
OH
10 to 40
Min. 2.4 V)
+5
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