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411 Series TCXO

Features

  • RoHS Compliant, Tight Stability over Wide Temperature Range
  • Available with both Voltage Control for Electric Frequency Adjustments and Internal Trimmer
  • Clipped Sinewave Output or HCMOS/TTL Compatible, Low Phase Noise
  • 14-pin DIP Compatible Package, Industry de factor Standard Footprint
Specification
Parameters Available Range
Frequency Range  8 MHz to 35 MHz
   
Supply Voltage (Vcc)  5 V ± 5%; 3.3 V ±5%; 
Input Current  3 mA maximum 
Frequency Stability vs. Temperature ±1 ppm;   ±1.5 ppm;   ±2 ppm;   ±2.5 ppm   ±5 ppm  
Temperature Range 0° C to 70° C;  -40° C to 85° C;  0° C to 50° C;  -30° C to 75° C
   
Frequency vs. Voltage  ±0.3 ppm Maximum / Vcc ± 5%
Frequency vs. Load  ±0.3 ppm Maximum / 10 kOhms/ 10 pF ± 10%
Aging ±1.0 ppm maximum per year at 25°C
   
Phase Noise  -145 dBc/Hz at 1kHz


Electrical Tunning

Controllable Frequency Option VI = Voltage control: ±5 ppm minimum + Internal trimmer: ±3 ppm minimum
I = Internal trimmer only (no voltage control input): ±3 ppm minimum
Control Voltage (Vc)    2.5±2.0 V for Vcc = 5 V; 1.65±1.5 V for Vcc = 3.3 V  
Setability of Vc at Fnom, 25°C 2.5±0.5 V DC for 5.0V part; 1.65±0.4 VDC for 3.3V part

Sinewave Output

Output Load  10 kOhms
Output Waveform       Clipped sine wave
Output Level 1.0Vp-p minimum

HCMOS/TTL Output

Output Load  10 TTL or 15 pF HCMOS maximum
Logic “1” / Logic “0” Level  TTL: 2.4V minimum / 0.4V maximum; HCMOS: 0.9Vcc minimum / 0.1Vcc maximum
Rise/Fall Time (Tr/Tf)  10 ns maximum
Duty Cycle  No tristate 60/40%;  No tristate 55/45%



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