403 Series TCXO
Features
- RoHS Compliant, True Sine Wave, Clipped Sine Wave or HCMOS/TTL Compatible Square Wave Output
- Voltage Control Option for Electric Frequency Adjustments
- High Reliability with ASIC Circuit, Trimmerless, Reflow Soldering
- Low Phase Noise, Trimmerless, Reflow Soldering
Specification | |
Parameters | Available Range |
Frequency Range | 1.25 MHz to 40 MHz |
Supply Voltage (Vcc) | 5 V ± 5%; 3.3 V ±5%; |
Input Current | 30 mA maximum (HCMOS) ; 2.0 mA maximum (Sinewave) |
Frequency Stability vs. Temperature | ±2.5 ppm maximum / -30°C to 80°C |
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 | -140 dBc/Hz at 10 kHz |
Electrical Tunning
Controllable Frequency Option | Voltage control option: ±8 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 or 10 pF ±10% |
Output Waveform | Sine wave |
Output Level | 0.8 Vp-p minimum |
HCMOS/TTL Output
Output Load | CMOS 15 pF |
Logic “1” / Logic “0” Level | 0.9Vcc minimum / 0.1 Vcc maximum |
Rise/Fall Time (Tr/Tf) | 10 ns maximum |
Duty Cycle | Non-tristate 60/40% |