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E2747 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – STRATUM 3 TCXO
ISSUE 7; April 2016
Description
Semtech approved TCXO for Stratum 3 applications.
Frequency Parameters
Frequency
12.8MHz
Frequency Stability
±0.28ppm
Holdover Stability [±(Fmax-Fmin)/2Fo]:
Temperature, –20 to 70°C: <±0.28ppm
Temperature, –20 to 70°C, inclusive of
Supply Voltage, 3.3V ±5% and Ageing, 24 hours: <±0.32ppm
Free-Run Accuracy, incl.
Calibration @25°C, Temperature –20 to 70°C, Supply Voltage
3.3V ±5%, Load 15pF ±5%, Reflow Soldering and Ageing 20
years: <±4.6ppm ref to Fo
Electrical Parameters
Supply Voltage
3.3V ±5%
Operating Temperature Ranges
-20 to 70°C
Output Details
Output Compatability
Drive Capability
VoL: ≤10% Vs
VoH: ≥90% Vs
HCMOS
15pF
Output Control
Tri-State Operation:
Logic ‘1’ (≥60%VS) to pad 8 enables output
Logic ‘0’ (≤20%VS) to pad 8 disables output
In Tri-state mode, the output stage is disabled but the oscillator
and compensation circuit are still active (current consumption ≈
1mA)
Noise Parameters
Allan Deviation (tau=100ms): <1.10-10
Phase Noise (max):
–90dBc/Hz @ 10Hz
–115dBc/Hz @ 100Hz
–127dBc/Hz @ 1kHz
–137dBc/Hz @ 10kHz
–143dBc/Hz @ ≥100kHz
Environmental Parameters
Storage Temperature: -55 to 125°C
Vibration: IEC 60068-2-6, Test Fc, 10Hz-60Hz 1.5mm
displacement at 10G, 30mins in each of 3 mutually
perpendicular axes at 1 oct/min.
Shock: IEC 60068-2-27, Test Ea: 100G acceleration for 6ms
duration, 3 shocks in each direction along 3 mutually
perpendicular axes.
Solderability: MIL-STD-202, Method 208, Category 3
Resistance to Soldering Heat: 260°C/10sec exposure
TCXO Specification
E2747
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 12:10 using Model Data Sheet V1.2550
Email: info@iqdfrequencyproducts.com
Web: www.iqdfrequencyproducts.com
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