TCXO Specification Part No. + Packaging: LFPTXO000291Bulk Customer Part: Description Surface mount temperature compensated voltage controlled crystal oscillator. Freq Adj option Option A (standard): Ageing adjustment by means of external Control Voltage applied to pad 1 Range (frequency 20MHz) 5ppm Range (frequency > 20MHz) 7ppm Linearity 2% Slope Positive Input resistance 100k Modulation bandwidth 2kHz Standard control voltage range 1.5V1V Model CFPT-9301-A Model Issue number 7 Frequency Parameters 32.7680MHz Frequency Outline (mm) Frequency Tolerance 1.00ppm Frequency Stability 1.00ppm Operating Temperature Range -40.00 to 85.00C Ageing 1ppm max in 1st year (see Note 1) Supply Voltage Variation ( 5% change): Frequency <20MHz: 0.1ppm typ Frequency 20MHz to <35MHz: 0.3ppm typ Frequency 35MHz to 52MHz: 0.5ppm typ Load Variation ( 5pF change): Frequency <20MHz: 0.2ppm typ Frequency 20MHz to <35MHz: 0.3ppm typ Frequency 35MHz to 52MHz: 0.5ppm typ Note 1 Ageing: Frequency 20MHz: 1ppm max in 1st year Frequency 20MHz: 3ppm max for 10 years (including the 1st year) Test Circuit Frequency >20MHz: 2ppm max in 1st year Frequency >20MHz: 5ppm max for 10 years (including the 1st year) Electrical Parameters 3.3V 10% Supply Voltage Supply Current (typical): HCMOS: 1+Frequency(MHz)*Supply(V)* Load(pF) +15 *1E3mA i.e 20MHz, 3.3V, 15pF 3mA Calculation: 1 + (20 x 3.3 x (15+15) x 0.001 ) = 2.98mA Supply Voltage Tolerance: Parts will operate correctly with 10% supply voltage variation but supply coefficient is measured with 5% variation Frequency Adjustment - option B No frequency adjustment Initial calibration: 1.0ppm 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 23 Dec 21 15:43 using Part Data Sheet V1.0018 Page 1 of 3TCXO Specification Part No. + Packaging: LFPTXO000291Bulk Customer Part: Frequency Adjustment Pulling Optional Frequency Adjustment - option A (standard): Ageing adjustment by means of external Control Voltage applied to pad 1 Range (frequency 20MHz): 5ppm Range (frequency > 20MHz): 7ppm Linearity: 2% Slope: Positive Input resistance: 100k Modulation bandwidth: 2kHz Standard control voltage range: 1.5V 1V Output Details Output Compatibility HCMOS Drive Capability 15pF max Rise and Fall Time 8.0ns max Duty Cycle 45/55% Output Levels Output Level: VoH 90% VS VoL 10% VS Environmental Parameters Storage Temperature Range: -55 to 125C Shock: IEC 60068-2-27, Test Ea: 1500G acceleration for 0.5ms, 3 shocks in each of 3 mutually perpendicular planes Vibration: IEC 60068-2-6, Test Fc: 10-60Hz 1.5mm displacement, 60-2000Hz at 20G, 4 hours in each of three mutually perpendicular axes at 1oct/min Compliance RoHS Status (2015/863/EU) Compliant REACh Status Compliant MSL Rating (JDEC-STD-033): 3 Packaging Details Pack Style: Bulk Loose in bulk pack Pack Size: 10 Alternative packing option available Test Circuit Typical Phase Noise at 14.4MHz 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 23 Dec 21 15:43 using Part Data Sheet V1.0018 Page 2 of 3