2.0x1.6x0.8mm TCXO operates in the 13 to 52MHz range

March 21, 2016 // By Julien Happich
Housed in an ultra-miniature 2.0x1.6x0.8mm hermetically sealed ceramic package, IQD’s IQXT-270 series of TCXOs (Temperature Compensated Crystal Oscillators), employs an analogue ASIC for the oscillator and a high order temperature compensation circuit.

With a maximum current consumption of only 2.2mA, the IQXT-270 offers stabilities down to ±0.5ppm over an operating temperature range of -40 to 85 degrees C with a clipped sinewave output. Operating from 1.8 to 3.0V, the new range is available in three options: TCXO, VCTCXO & TCXO with enable/disable function, all across a frequency range of 13 to 52MHz. The version with the enable/disable option only requires a standby current of typically under 0.01µA, which is well suited for battery operated equipment. Start-up time from the power mode is only 2ms max whilst the VCTCXO (Voltage Controlled Temperature Compensated Crystal Oscillator) option has a pullability of between 6ppm to 30ppm. Typical phase noise at 100kHz would be -151dBc/Hz.

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