TCXO Specification Part No. + Packaging: LFTCXO070028Cutt Description The IQXT-260-6 employs an analogue ASIC for the oscillator and a high-order temperature compensation circuit in a 2.5 x 2.0mm size package. Model IQXT-260-6 Model Issue number 1 Frequency Parameters Frequency 26.0MHz Frequency Tolerance 1.00ppm Tolerance Condition 25C 2C Frequency Stability 0.50ppm Operating Temperature Range -40.00 to 85.00C Ageing: 1ppm max over 1yr 25C 1.5ppm max over 2yrs 25C 2.5ppm max over 5yrs 25C 5ppm max over 10yrs 25C Outline (mm) Frequency Stability: TA varied over -30 to 85C, measurement referenced to frequency observed with Fref=(Fmax+Fmin)/2, Vs=2.8V and load=10k//10pF: 0.5ppm max Frequency Stability: TA varied over -40 to -30C, measurement referenced to frequency observed with Fref=(Fmax+Fmin)/2, Vs=2.8V and load=10k//10pF: 3ppm max Frequency Slope (minimum of one frequency reading every 2C): -20 to 65C: 0.05ppm/C max -30 to 85C: 0.1ppm/C max -40 to -30C: 0.35ppm/C max Static Temperature Hysteresis (frequency change after reciprocal temperature ramped over the operating range - frequency measured before and after 25C): 0.6ppm max Supply Voltage Variation (5% change 25C): 0.1ppm max Load Variation (5% change 25C): 0.1ppm max Reflow Variation (after two consecutive reflows as per profile shown and 1hr recovery 25C): 1ppm max Pb-Free Reflow Root Allan Variance (Tau=1sec): 0.3ppb max G Sensitivity (within 30Hz to 1500Hz): 2ppb/G max Note: Parts should be shielded from drafts causing unexpected thermal gradients. Temperature changes due to ambient air currents can lead to short term frequency drift. Electrical Parameters 2.8V nominal Supply Voltage Current Draw 1.50mA Supply Voltage Range: 1.7V min to 3.3V max Supply Current ( TA=25C, Vs max and load=10k//10pF): 1.5mA max Note: Nominal supply voltage applies for all measurements unless otherwise stated. Sales Office Contact Details: UK: +44 (0)1460 270200 France: 0800 901 383 Email: info iqdfrequencyproducts.com Germany: 0800 1808 443 USA: +1.760.318.2824 Web: www.iqdfrequencyproducts.com Printed on 26 May 16 23:14 using Part Data Sheet V1.00014 Page 1 of 2TCXO Specification Part No. + Packaging: LFTCXO070028Cutt Output Details Output Compatability Clipped Sine Drive Capability 10k//10pF 10% Output Voltage Level ( TA=25C, Vs min and load=10k//10pF): 0.8V pk-pk min Start Up Time (amplitude within 90% of specified output level): 2ms max Start Up Time (frequency within 0.5ppm of steady state frequency): 2ms max Output: DC coupled Note: AC-coupled output requires an external capacitor, 1nF recommended. Noise Parameters Phase Noise 25C (typ): -62dBc/Hz 1Hz -91dBc/Hz 10Hz -115dBc/Hz 100Hz -136dBc/Hz 1kHz -150dBc/Hz 10kHz -152dBc/Hz 100kHz Harmonics: -8dBc max Environmental Parameters Storage Temperature Range: -40 to 85C Shock: MIL-STD-202 M213: Half sine wave acceleration of 3000G peak amplitude, duration 0.3ms, velocity 12.3ft/s. Vibration: JESD22-B103-B: 10G peak acceleration for 20mins, 12 cycles in each of the 3 orientations, tested from 10-2000Hz. Moisture Resistance: MIL-STD-202 M106g: 1000hrs 85C, 85% RH, biased. Thermal Cycling: JESD22 Method JA-104C: 1000 temperature cycles, where each cycle consists of a 25mins soak time -40C followed by a 25mins soak time 85C, with a 60secs maximum transition time between temperatures, air to air transition. Note: Frequency shift 1ppm after environmental conditions. Manufacturing Details Maximum Process Temperature: 260C (40secs max) Compliance RoHS Status (2011/65/EU) Compliant REACh Status Compliant MSL Rating (JDEC-STD-033): Not Applicable 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 France: 0800 901 383 Email: info iqdfrequencyproducts.com Germany: 0800 1808 443 USA: +1.760.318.2824 Web: www.iqdfrequencyproducts.com Printed on 26 May 16 23:14 using Part Data Sheet V1.00014 Page 2 of 2