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  • Clipped-sinewave output TCXO in the industry-standard 7.0 x 5.0mm SMD package.
  • Frequency range: 10MHz to 27MHz
  • Close tolerance stabilities from ±0.5ppm over 0° to +50°C
  • ±1ppm over -40 to +85°C
  • Very low power consumption
  • Supply Voltage: +2.5, +3.0 or +3.3 Volts

Typical Applications

  • Stability from ±0.5ppm 0°~+50°C. The clipped sinewave output level 0.8Vp-p min. into a 10k Ohms //10pF load. Frequency Range 10MHz to 50MHz.


Product Series Code TCXO: EM57S VCTCXO: VEM57S
Frequency Range: 10.0MHz to 27.0MHz
Output Waveform: Clipped Sinewave
Initial Calibration Tolerance**: <±1ppm at 25°C
Standard Frequencies: 10.0, 12.80, 13.0, 14.40, 15.36, 16.384, 19.2, 19.440, and 19.68MHz (Partial list)
Frequency Stability vs. Ageing: ±1.0 ppm max. first year vs. Voltage Change: ±0.3 ppm max. ±5% change vs. Load Change: ±0.3 ppm max. ±10% change vs. Reflow: ±1ppm max. for one reflow (Measured after 24 hours)
Supply Voltage: +2.5, +3.0 or 3.3 Volts (Specify when ordering)
Output Voltage Level: 0.8V p-p minimum
Start-up Time: 2ms typical, 5ms max
Output Load: 10kOhm//10pF ±10%
Harmonic Distortion: -10dB typical, -7dB max
Output Format: DC block, AC coupled
Storage Temperature: -50° to +100°C