Crystal Oscillator
NT14M09TA
■
Main Application
● Base stations for system mobile communications ● Optical transmission system
● Measuring instrument
● Synthesizer
● Exchanger
● High-end router
High Precision Oscillator (Twin-DCXO)
for Fixed Communication Equipment
■
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
Item
Measurement condition
Nominal frequency range (MHz)
Nominal frequency (MHz)
Supply voltage [V
CC
] (V)
Current consumption(mA)
Output voltage
Symmetry (%)
Load impedance (pF)
Operating temperature range (°C)
Storage temperature range (°C)
Long-term frequency stability
Frequency/Voltage coefficient
Frequency control range
Frequency change polarity
Based on frequency after 24hours operation
V
CC
+3.3 V ±5 %
V
Cont
+0.2 V to + 2.8V (@1.5 V)
Frequency change polarity
Linearity
Frequency/Temperature characteristics
at 1/2 V
CC
Model
NT14M09TA
5 to 40
10, 12.8, 13, 16.384, 19.2, 20, 25, 26, 30.72, 38.4, 38.88, 40
+3.3 ±5 %
Max. 35
LVCMOS (V
OL
Max. 0.3 V, V
OH
Min. 3 V)
45 to 55
15
–40 to +85
–40 to +85
Max. ±200×10
–9
/year
Max. ±50×10
–9
Typ. ±5×10
–9
(Max. ±10×10
–9
)
Max. ±5.0×10
–6
Positive
Typ. 1%
dBc/Hz (typ.)
–70
–100
–125
–150
■
Dimensions
■
Reference Value
mm
#4 OUTPUT
#5
#6
NC*
V
CC
Terminal land connections
14.3±0.3
#1
#2
#3
9.4±0.3
V
cont
NC*
GND
Offset frequency
1 Hz
Phase noise
(at 10 MHz)
10 Hz
100 Hz
1 kHz
*Please don’t connect
10 kHz
–160
The value of phase noise changes when the frequency changes.
■
List of Ordering Codes
Nominal
frequency (MHz)
10
12.8
13
16.384
Land pattern (Typical)
1.25
2.25 3.00 3.00 2.25
Ordering Code
NT14M09TA-10M-NSA3543A
NT14M09TA-12.8M-NSA3543A
NT14M09TA-13M-NSA3543A
NT14M09TA-16.384M-NSA3543A
NT14M09TA-19.2M-NSA3543A
NT14M09TA-20M-NSA3543A
NT14M09TA-25M-NSA3543A
NT14M09TA-26M-NSA3543A
NT14M09TA-30.72M-NSA3543A
NT14M09TA-38.4M-NSA3543A
NT14M09TA-38.88M-NSA3543A
NT14M09TA-40M-NSA3543A
6.5±0.2
2.54±0.1
2.54±0.1
19.2
20
25
26
30.72
38.4
38.88
40
#6 #5 #4
1.0±0.1
2.54
2.54
6.4±0.2
#1 #2 #3
The above frequencies are NDK’s standard frequencies.
Frequencies other than the above are available. Feel free to
contact our sales representatives.
1507B_NT14M09TA_j
- 12 -
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