LFTVXO076349
VCTCXO, 30.72 MHz, 0.25 ppm, Clipped Sinewave, 3.3 V, SMD, 7mm x 5mm, IQXT-316-9 Series
- Manufacturer: IQD FREQUENCY PRODUCTS
- Product type: Voltage Controlled - VC-TCXO Oscillators
- SVHC: No SVHC (04-Feb-2026)
- Frequency Nom: 30.72MHz
- Product Range: IQXT-316-9 Series
- Supply Voltage Nom: 3.3V
- Frequency Stability + / -: 0.25ppm
- Operating Temperature Max: 85°C
- Operating Temperature Min: -5°C
- Oscillator Case / Package: SMD, 7mm x 5mm
- Oscillator Output Compatibility: Clipped Sinewave
| Delivery and price | |
|---|---|
| Units per pack | 500 |
| Price | 32.49 € |
| Current stock | 10+ |
| Lead time | 30 days |
_Part No. + Packaging:_ _**LFTVXO076349Reel**_ ## **TCVCXO Specification** ## **Customer Part:** ## **Description** - The IQXT-316-9 uses ASIC technology and is designed to meet the short and medium term stability requirements of packet network synchronisation for Small Cells. - Model IQXT-316-9 ## **Outline (mm)** - Model Issue number 1 ## **Frequency Parameters** - Frequency 30.720MHz - Frequency Tolerance ±1.00ppm - Tolerance Condition @ 25°C ±1°C & VC=1.5V Frequency Stability ±0.25ppm - Operating Temperature Range -5.00 to 85.00°C - In‐service Short-term Frequency Stability (over any 24-hr timeslot @ fixed supply voltage and load): 50 to 70°C: ±80ppb max - 15 to 85°C: ±100ppb max - -5 to 85°C: ±250ppb max - Ageing: ±20ppb max/day - ±200ppb max/month - ±1ppm max/year - ±2ppm max over 3yrs - Temperature Rate of Change (maximum rate of change of temperature condition for guaranteed stability specifications): 1°C/min max - Acceleration Sensitivity (gamma vector of all 3 axes from 30 to 1500Hz): Typically 2ppb/G max - Supply Voltage Variation (±2% change @ 25°C, measurement referenced to frequency observed @ nominal Vs): ±10ppb typ Load Variation (±2% change @ 25°C, measurement referenced to frequency observed @ nominal load): ±10ppb typ - Reflow Variation (pre to post reflow ΔF, measured after 1hr recovery @ 25°C): ±1ppm max - Note: The characteristics of the oscillator may be temporarily affected by the processes of assembly and soldering. The in-service short term frequency stability specification applies after 48hrs continuous operation and after the first excursion over the temperature range. Nominal conditions apply unless otherwise stated. ## **Electrical Parameters** - Supply Voltage 3.3V ±5% - Current Draw 4.500mA - Absolute Maximum Ratings: Supply Voltage (Vs): -0.5V to 7V Control Voltage (VC): -0.5V to 9V All other inputs: -0.5V to Vs+0.5V Power Dissipation: 100mW max Junction Temperature: 150°C max Note: Operating beyond these limits may result in change or permanent damage to the oscillator. ## **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 5 Aug 21 0:06 using Part Data Sheet V1.0018 **TCVCXO Specification** _Part No. + Packaging:_ _**LFTVXO076349Reel**_ ## **Customer Part:** ## **Frequency Adjustment** - Pulling ±7ppm min to ±12ppm max Control Voltage 1.5V ±1.0V Input Impedance 100kΩ min Linearity (deviation from straight line curve fit): 1% max Frequency Tuning Slope: Positive Modulation Bandwidth: 1Hz min Note: Pulling referenced to frequency @ VC=1.5V ## **Output Details** Output Compatibility Clipped Sine Drive Capability 10kΩ//10pF Output Voltage Level: 0.8V pk-pk min, 1.1V pk-pk typ Start Up Time (amplitude within 90% of specified output level): 15ms max Output: DC coupled Temperature Sensor Output (pad 3): Vtemp (@ 25°C): 1.76V typ Slope Option: -2.1mV/°C typ Resistive Load: 100kΩ min Capacitive Load: 30pF max Output Impedance (@ 25°C): 1kΩ typ Sensor Linearity: 1.5% typ ## **Output Control** - Tri-State Mode: - Logic '0' (20%Vs max) to pad 6 disables the oscillator output, the output goes to a high impedance state. Logic '1' (60%Vs min) or no connection to pad 6 enables the oscillator output. Note: The tri-state control (enable) input pad has an internal 100kΩ pull up resistor which allows it to be left unconnected if not used. When in tri-state mode, the output stage is disabled, but the oscillator and compensation circuit are still active (Current Consumption: 2mA typ). Output Enable Time: 100μs max ## **Noise Parameters** Phase Noise @ 25°C (typ): - -65dBc/Hz @ 1Hz - -92dBc/Hz @ 10Hz - -125dBc/Hz @ 100Hz - -143dBc/Hz @ 1kHz - -149dBc/Hz @ 10kHz - -152dBc/Hz @ 100kHz - -155dBc/Hz @ 1MHz Phase Jitter (12kHz to 5MHz): 300fs RMS typ ## **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 2 of 3 Printed on 5 Aug 21 0:06 using Part Data Sheet V1.0018 **TCVCXO Specification** _Part No. + Packaging:_ _**LFTVXO076349Reel**_ ## **Customer Part:** ## **Environmental Parameters** - Low Temperature Storage: IEC 60068-2-01, Test Ab: 1000hrs @ -55°C. - High Temperature Storage: IEC 60068-2-02, Test Bb: 1000hrs @ 150°C. Mechanical Shock: JESD22-B104: 1500G, 0.5ms duration, 5 pulses in each of 6 directions. - Vibration: JESD22-B103: 20G peak acceleration for 4hrs in each of the 3 orientations, tested from 60-2000Hz, 12hrs total. High Temperature Operating Life (HTOL): JESD22-A108: 1008hrs @ 125°C. - Thermal Cycling: JESD22-A104: 500 temperature cycles, -55 to 125°C. - Solderability: JESD22-B102, Method 1, Condition E: 260°C for 5secs (preconditioning: 150°C, 16hrs). - Resistance to Soldering Heat: IPC/JEDEC J-STD-020: 3 reflow cycles (peak temperature 260°C). - Humidity: JESD22-A101: After 1008hrs @ 85°C ±2°C, 85% RH non-condensing (preconditioning: 3 reflow cycles @ peak temperature 260°C). - Ageing: MIL-PRF-55310: 1008hrs @ 85°C (preconditioning: 3 reflow cycles @ peak temperature 260°C). ## **Manufacturing Details** - Maximum Process Temperature: 260°C (30secs max) RoHS Terminations - RoHS Reflow Temp 260°C max for 30secs max ## **Compliance** RoHS Status (2015/863/EU) Compliant REACh Status Compliant MSL Rating (JDEC-STD-033): 1 ## **Packaging Details** - Pack Style: Reel Tape & reel in accordance with EIA-481-D Pack Size: 500 _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 5 Aug 21 0:06 using Part Data Sheet V1.0018
Updated at June 3, 2026
IQD Frequency Products is a recognized market leader in the frequency control and specialized timing sector. Known for delivering highly reliable and precise solutions, the company serves a broad spectrum of applications ranging from commercial-grade electronics to high-reliability industrial and automotive systems. Their commitment to quality is underscored by stringent manufacturing and testing standards, including ISO 9001 and automotive-grade certifications such as AEC-Q200. The comprehensive selection of IQD components focuses primarily on foundational timing devices, notably an extensive range of quartz crystals and standard clock oscillators. These core components provide the stable and accurate frequency generation required for diverse circuit designs, microcontrollers, and communication interfaces. Available in a variety of frequencies, tolerances, and packaging options, these crystals and oscillators form the reliable backbone of countless digital and RF systems. For more demanding environments that require enhanced precision, the portfolio also features specialized oscillator configurations. This includes advanced Temperature Compensated (TCXO) and Voltage Controlled (VC-TCXO) oscillators. These highly engineered timing solutions are designed to maintain exceptional frequency stability across fluctuating temperatures and varying operational conditions, making them ideal for telecommunications, networking infrastructure, and precision instrumentation.
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