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% |
