The latest TCXO design launched by IQD delivers two new models housed in ultra-miniature 1.6 x 1.2 x 0.45mm hermetically sealed ceramic packages that are amongst the smallest available on the market. The IQXT-350 series is a standard TCXO (Temperature Compensated Crystal Oscillator) whilst the IQXT-351 series version offers full VCTCXO (Voltage Controlled Temperature Compensated Crystal Oscillator) functionality.
Both models are initially available in four standard frequencies; 19.2, 26.0, 38.4 and 52.0MHz, all with a frequency tolerance of ±1.5ppm and frequency stability of ±0.5ppm. Both series operates at 1.8V with a maximum current consumption of only 1.7mA and a clipped sinewave output with 10kΩ//10pF drive capability.
The 26.0 & 52.0MHz parts are available with an operating temperature range of -40 to +85 degrees C whilst the 19.2 & 38.4MHz operate over -30 to +85 degrees C. Start-up time from the power mode is only 2ms max whilst the IQXT-351 (VCTCXO) series has a pullability of between ±8ppm to ±13ppm. Harmonic distortion is – 5.0dBc max and typical phase noise is -135dBc/Hz at 1kHz with ageing at ±1ppm max per year.
The low power and ultra-miniature footprint of both designs makes these new models ideal for GPS, IoT, Wearables, Wi-Max and Wireless Communications applications.
Full data sheets are available on IQD’s website at www.iqdfrequencyproducts.com or for further advice, speak to a member of our Applications Support Team.
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