412 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 | 1.5 MHz to 40 MHz |
| Supply Voltage (Vcc) | 5 V ± 5%; 3.3 V ±5%; |
| Input Current | 20 mA maximum for HCMOS/TTL Compatible (1.5 MHz to 9.999 MHz) |
| 30 mA maximum for HCMOS/TTL Compatible (10 MHz to 40 MHz) | |
| 5 mA maximum for clipped sinewave output | |
| 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 / ±2 pF |
| Aging | ±1.0 ppm maximum per year at 25°C |
| Phase Noise | -145 dBc/Hz at 1kHz |
Electrical Tunning
| Controllable Frequency Option | V = Voltage control: ±5 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
| Non-harmonic Spurious | -50 dBc maxim for 10 MHz |
| Harmonic Distortion | -20 dBc maxim for 10 MHz |
| Output Load | 50 Ohms for pure sinewave; 10 kOhms/10 pF for clipped sinewave |
| Output Waveform | Sinewave or clipped sinewave |
| Output Level | 0 dBm minimum - sinewave; 1.0Vp-p minimum - clipped sinewave |
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% |
