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IQXC-140 Schematic ( PDF Datasheet ) - IQD

Teilenummer IQXC-140
Beschreibung Quartz Crystal
Hersteller IQD
Logo IQD Logo 




Gesamt 2 Seiten
IQXC-140 Datasheet, Funktion
ISSUE 1; July 2016
Description
The IQXC-140 is a low profile SMD AT-cut quartz crystal with a
thermally coupled temperature sensor in a ceramic package
with a 2.0 x 1.6mm foot print.
Applications:
Automotive
Communications
GPS
Mobile phones
Wi-Fi
Features:
Low ageing
Excellent shock and vibration performance
Thermally coupled temperature sensor
Frequency Parameters
Frequency
19.2MHz to 52.0MHz
Frequency Tolerance
±10.00ppm to ±50.00ppm
Tolerance Condition
@ 25°C ±2°C
Frequency Stability
±12.00ppm to ±50.00ppm
Ageing
±2ppm max per year @ 25°C
Reflow shift (Frequency shift after reflow with 4 hours settling
at 25°C): ±1ppm max
Frequency stability over temperature referenced to frequency
reading at 25˚C and the specified load capacitance.
Frequency perturbations (Peak-to-peak deviation from the
frequency versus temperature curve fit 5th order. Minimum of
1 frequency reading every 3°C over operating temperature
range): 0.5ppm max
Pullability (load and frequency dependant): 0.5ppm/pF min
Electrical Parameters
Load Capacitance (CL)
5.0pF to 32.0pF
Shunt Capacitance (C0)
0.5 to 3pF
Drive Level
100µW max
Frequency vs Temperaure Curve Fit Coefficients:
Inflection temperature (T0) (Reference temperature for
calculation of 3rd order coefficients) 28 to 32°C
First/second/third order coefficients: typical values using third
order curve fitting referenced to T0. Calculated over the
operating temperature range: TBD
Temperature Sensor Characteristics:
Resistance (Ro) Resistance at 25°C (To): 10 to 100kΩ
Resistance tolerance: ±1% max
Beta constant: (25 - 50°C) 10kΩ, calculated between two
specified temperatures points R and Ro. T and To are absolute
temperature (K). Beta=ln(R/Ro)/(1/T-1/To): 3380K
Beta constant (25 - 50°C) 100kΩ, calculated between two
specified temperatures points R and Ro. T and To are absolute
temperature (K). Beta=ln(R/Ro)/(1/T-1/To): 4250K
Beta Tolerrance: ±1% max
Thermistor size: 0201
Operating Temperature Ranges
-40 to 85°C
Quartz Crystal Specification
IQXC-140
Outline (mm)
Pb-Free Reflow
Electrical Circuit
Sales Office Contact Details:
UK: +44 (0)1460 270200
Germany: 0800 1808 443
France: 0800 901 383
USA: +1.760.318.2824
Printed on 31 Aug 16 11:14 using Model Data Sheet V1.2550
Web: www.iqdfrequencyproducts.com
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