# VCTCXO, GPS, 19.2 MHz, 0.5 ppm, Clipped Sinewave, 2.85 V, SMD, 2mm x 1.6mm, IQXT-270
**URL**: https://novapart.co/products/LFTVXO070168/vctcxo-gps-192-mhz-05-ppm-clipped-sinewave-285-v
**SKU**: LFTVXO070168
**Manufacturer**: IQD FREQUENCY PRODUCTS
**Category**: Crystals & Oscillators || Oscillators || Voltage Controlled - VC-TCXO Oscillators
**Price**: €0.9660
**Stock**: 10+
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2627328RL/)
**TCVCXO Specification**
_Part No. + Packaging:_ _**LFTVXO070168Cutt**_
## **Description**
- The IQXT-270-10 Temperature Compensated Crystal Oscillator (TCXO) employs an analogue ASIC for the oscillator and a high order temperature compensation circuit in a 2.0 x 1.6mm size package.
- Model IQXT-270-10 Model Issue number 1
## **Frequency Parameters**
- Frequency
- Frequency Tolerance Frequency Stability
19.20MHz
- ±1.00ppm
- ±0.50ppm
- Operating Temperature Range -30.00 to 85.00°C
- ~~=~~ Ageing ±0.7ppm max per year at 25°C
- ~~a~~ Frequency Tolerance: Offset from nominal frequency measured at 25˚C ±2˚C.
- ~~a~~ Reflow Shift (two consecutive reflows as per profile after 1 hour relaxation at 25°C): ±1ppm max
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Outline (mm)
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- ~~a~~ Frequency Stability: Referenced to the midpoint between minimum and maximum frequency value over the specified 2.05+0.10 Pad
- temperature range. Control voltage set to midpoint of control = 1.
- voltage (note 1).
- Frequency Slope (minimum of one frequency reading every 2°C, over -10 to 60°C. Control voltage set to midpoint of control voltage, note 1): 0.05ppm/°C max
- Frequency drift (calculated from frequency slope with temperature varied at a maximum of 1.92°C/min (0.032°C/s) over -10°C to 60°C, note 5): 1.6ppb/sec max
- Frequency Slope (minimum of one frequency reading every 2°C, over -30°C to -85°C. Control voltage set to midpoint of control voltage, note 1): 0.1ppm/°C max Frequency drift (calculated from frequency slope with temperature varied at a maximum of 0.96°C/min (0.016°C/s) over -30°C to 85°C, note 5): 1.6ppb/sec max
- Small thermal cycle frequency slope (measured at 0.5°C intervals over any 5°C heating and 5°C cooling cycle, at a minimum rate of 1°C/minute within the operating temperature range, note 6): 50ppb/°C max
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Pb-Free Reflow
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- Small thermal cycle hysteresis (difference in frequency measurements over any 5°C heating and 5°C cooling cycle, at a minimum rate of 1°C/minute within the operating temperature range): 50ppb pk-pk max
- Supply Voltage Variation (±5% change at 25°C): ±0.1ppm max Load Variation (±10% change at 25°C): ±0.2ppm max
## **Electrical Parameters**
Supply Voltage 2.85V ±0.15V
- Current Draw 1.50mA
- Supply Current (at Vs max - note 2)
## **Frequency Adjustment**
- Pulling ±15.6ppm to ±24ppm Control Voltage 1.4V ±1.0V Input Impedence 500kΩ min
- Control voltage range: the nominal control voltage value is midway between the minimum and maximum. Voltage control should not exceed the supply voltage +0.2V or GND.
- Linearity (deviation from straight line curve fit): 10% max
## **Sales Office Contact Details:**
UK: +44 (0)1460 270200 Germany: 0800 1808 443
France: 0800 901 383 USA: +1.760.318.2824
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Page 1 of 3
Printed on 26 May 16 17:44 using Part Data Sheet V1.00014
**TCVCXO Specification** _Part No. + Packaging:_ _**LFTVXO070168Cutt**_
## **Output Details**
Output Compatability Clipped Sine Drive Capability 10kΩ//10pF ±10% Output: DC coupled (note 3)
Output Voltage Level (at Vs min - note 2): 0.8V pk-pk min
## **Noise Parameters**
- Phase Noise (typ @ 25˚C): -64dBc/Hz @ 1Hz
- -93dBc/Hz @ 10Hz
- -118dBc/Hz @ 100Hz
- -137dBc/Hz @ 1kHz
- -149dBc/Hz @ 10kHz
- -151dBc/Hz @ 100kHz Phase Noise (max @ 25˚C):
- -57dBc/Hz @ 1Hz
- -86dBc/Hz @ 10Hz
- -111dBc/Hz @ 100Hz
- -133dBc/Hz @ 1kHz
-144dBc/Hz @ 10kHz
- -148dBc/Hz @ 100kHz
## **Environmental Parameters**
- Shock: MIL-STD-202 M213 (note 4): Half sine-wave acceleration of 3000G peak amplitude, duration 0.3ms, velocity 12.3ft/s. Moisture Resistance: MIL-STD-202 M106g (note 4): 1000 hours at 85°C, 85% relative humidity. Biased. Thermal Cycling: JESD22 Method JA-104C (note 4): 1000 temperature cycles, where each cycle consists of a 25 minutes soak time at -40°C followed by a 25 minute soak time at 85°C, with a 60 second maximum transition time between temperatures. Air to air transition.
- Vibration: JESD22-B103-B (also see note 4): 10G peak acceleration for 20 minutes 12 cycles in each of the 3 orientations, swept from 10-2000Hz.
Storage Temperature Range: -40 to 85°C
## **Manufacturing Details**
- Maximum Process Temperature: 260˚C (40secs max)
- Note 1: Parts should be shielded from drafts causing unexpected thermal gradients. Temperature changes due to ambient air currents can lead to short term frequency drift.
- Note 2: Specified for the load stated in Output Details above, at 25°C.
- Note 3: External AC coupling capacitor required; 1nF or greater recommended.
- Note 4: Frequency shift of ±1ppm max after environmental conditions.
- Note 5: Frequency drift rate is calculated from the equation ppb/s=°C/s x ppb/°C
- Note 6: Discard the first 0.5°C interval of each heating and cooling cycle.
## **Compliance**
RoHS Status (2011/65/EU) Compliant REACh Status Compliant MSL Rating (JDEC-STD-033): Not Applicable
## **Sales Office Contact Details:**
UK: +44 (0)1460 270200 France: 0800 901 383 Germany: 0800 1808 443 USA: +1.760.318.2824
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Page 2 of 3
Printed on 26 May 16 17:44 using Part Data Sheet V1.00014
**TCVCXO Specification** _Part No. + Packaging:_ _**LFTVXO070168Cutt**_
## **Packaging Details**
Pack Style: Cutt In tape, cut from a reel Pack Size: 100
_Alternative packing option available_
## **Sales Office Contact Details:**
UK: +44 (0)1460 270200 Germany: 0800 1808 443
France: 0800 901 383 USA: +1.760.318.2824
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
Page 3 of 3
Printed on 26 May 16 17:44 using Part Data Sheet V1.00014
## Links
- [View this product on Novapart](https://novapart.co/products/LFTVXO070168/vctcxo-gps-192-mhz-05-ppm-clipped-sinewave-285-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/iqd-frequency-products/lftvxo070168/vctcxo-gps-19-2mhz-2x1-6mm-clip/dp/2627328RL)
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