Features

  • Clipped-sinewave output TCXO in a miniature 5.0 x 3.2mm SMD package.
  • Wide frequency range: 1.25MHz to 156.0MHz
  • Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts
  • Frequency stability from ±1ppm over -30 to +75°C

Typical Applications

  • Stability from ±0.5ppm 0°~+50°C. Output level 0.8Vp-p min. into a 10k Ohms //10pF load.

Specifications

Product Series Code TCXO: EM44T VCTCXO: VEM44T
Frequency Range: 1.25MHz to 156.0MHz
Output Waveform: Squarewave, HCMOS
Initial Calibration Tolerance: <±1.0ppm at +25°±2°C
Standard Frequencies: 10.0, 12.8, 13.0, 14.4, 15.36, 16.384, 19.2, 19.440, 19.68, 25.0, 20.0, 27.0, 38.880, 40.0, 77.760, 125.0, 155.520
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 (SMD type): ±1.0ppm max. for one reflow (measured after 24 hours)
Supply Voltage: +2.8, +3.0, 3.3 or +5.0Volts (Specify when ordering)
Output Voltage Level: 0.8V p-p minimum
Start-up Time: 2ms typical, 5ms max.
Output Load: 10kΩ//10pF ±10%
Harmonic Distortion: -10dB typical, -7dB max
Storage Temperature: -50° to +100°C