NT14M09TA

Crystal Oscillator
NT14M09TA
High Precision Oscillator (Twin-DCXO)
for Fixed Communication Equipment
■ Main Application
● Base stations for system mobile communications ● Optical transmission system
● Measuring instrument
● Synthesizer
● Exchanger
● High-end router
■ Features
● Low current consumption (Max. 35mA) and high stability (±50×10−9/-40°C to+85°C).
● Excellent long-term frequency stability.
● Excellent phase noise characteristics.
● Hermetic sealing package for excellent environmental-proof performance.
● Same foot pattern as the same size OCXO (foot pattern compatible).
■ Specifications
Model
Item
Measurement condition
Nominal frequency range (MHz)
NT14M09TA
5 to 40
10, 12.8, 13, 16.384, 19.2, 20, 25, 26, 30.72, 38.4, 38.88, 40
Nominal frequency (MHz)
Supply voltage [VCC] (V)
+3.3 ±5 %
Current consumption(mA)
Max. 35
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)
–40 to +85
Storage temperature range (°C)
–40 to +85
Based on frequency after 24hours operation
Long-term frequency stability
Max. ±200×10–9/year
Frequency/Temperature characteristics
Max. ±50×10–9
Frequency/Voltage coefficient
VCC +3.3 V ±5 %
Frequency control range
VCont +0.2 V to + 2.8V (@1.5 V)
Frequency change polarity
■ Dimensions
Typ. ±5×10–9 (Max. ±10×10–9 )
Max. ±5.0×10–6
Frequency change polarity
Positive
Linearity
Typ. 1%
■ Reference Value
mm
Terminal land connections
Vcont
#4 OUTPUT
#2
NC*
#5
NC*
#3
GND
#6
VCC
*Please don’t connect
2.54±0.1
2.54±0.1
Phase noise
(at 10 MHz)
Nominal
frequency (MHz)
10
Land pattern (Typical)
2.25 3.00 3.00 2.25
6.4±0.2
#6 #5 #4
10 Hz
–100
100 Hz
–125
1 kHz
–150
10 kHz
–160
The value of phase noise changes when the frequency changes.
1.25
#1 #2 #3
dBc/Hz (typ.)
–70
■ List of Ordering Codes
6.5±0.2
9.4±0.3
14.3±0.3
#1
Offset frequency
1 Hz
1.0±0.1
2.54
2.54
Ordering Code
NT14M09TA-10M-NSA3543A
12.8
NT14M09TA-12.8M-NSA3543A
13
NT14M09TA-13M-NSA3543A
16.384
NT14M09TA-16.384M-NSA3543A
19.2
NT14M09TA-19.2M-NSA3543A
20
NT14M09TA-20M-NSA3543A
25
NT14M09TA-25M-NSA3543A
26
NT14M09TA-26M-NSA3543A
30.72
NT14M09TA-30.72M-NSA3543A
38.4
NT14M09TA-38.4M-NSA3543A
38.88
NT14M09TA-38.88M-NSA3543A
40
NT14M09TA-40M-NSA3543A
The above frequencies are NDK’s standard frequencies.
Frequencies other than the above are available. Feel free to
contact our sales representatives.
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