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PDF IQXT-312 Data sheet ( Hoja de datos )
| Número de pieza | IQXT-312 | |
| Descripción | TCXO | |
| Fabricantes | IQD | |
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ISSUE 1; March 2016
Description
A surface-mount Voltage Controlled Temperature
Compensated Crystal Oscillator (VCTCXO) for applications
where phase noise performance under vibration is critical. The
IQXT-312 is a single chip oscillator with an analogue
compensation circuit, and a patented crystal resonator design,
resulting in high stability over a wide temperature range paired
with good acceleration sensitivity.
Frequency Parameters
Frequency
10.0MHz to 30.0MHz
Frequency Tolerance
±1.00ppm
Tolerance Condition
@ 25°C ±2°C
Frequency Stability: TA varied over operating temperature
range, measurement referenced to frequency observed with
Fref=(Fmax+Fmin)/2, Vs and load both equal to nominal
values: ±0.2ppm to ±5.0ppm
Ageing (F≤26MHz):
1st year: ±1ppm max
10yrs: ±3ppm max
Ageing (F>26MHz):
1st year: ±2ppm max
10yrs: ±5ppm max
Frequency Slope ΔF/ΔT (in still air, temperature ramp
≤1°C/min): 20 to 200 ppb/°C
Acceleration Sensitivity (gamma vector over operating
temperature range): 0.2ppb/G typ, 0.5ppb/G max
Supply Voltage Variation (±5% change @ 25°C):
HCMOS: ±0.2ppm max
Clipped Sine: ±0.1ppm max
Load Variation (@ 25°C)
HCMOS (±5pF change ref freq @ 15pF): ±0.2ppm max
Clipped Sine (±10% change ref freq @ 10kΩ//10pF): ±0.1ppm
max
Reflow Variation (after 1hr recovery @ 25°C): ±1ppm max
Electrical Parameters
Supply Voltage Range: 2.5V to 5.7V
(Standard Voltages are 3.3V & 5.0V)
Supply Current (typically):
HCMOS: 1+frequency(MHz)*supply(V)*{load(pF)+15}*10⁻³mA
(e.g 20MHz, 5V, 15pF = 4mA)
Clipped Sine: 1+frequency(MHz)*1.2*{load(pF)+30}*10⁻³mA
Frequency Adjustment
Control Voltage
Pulling (F≤26MHz): ±5ppm min
Pulling (F>26MHz): ±7ppm min
1.5V ±1.0V
Operating Temperature Ranges
-55 to 105°C
TCXO Specification
IQXT-312
Outline (mm)
Sales Office Contact Details:
UK: +44 (0)1460 270200
Germany: 0800 1808 443
France: 0800 901 383
USA: +1.760.318.2824
Printed on 26 Apr 16 14:50 using Model Data Sheet V1.2550
Email: [email protected]
Web: www.iqdfrequencyproducts.com
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