FREQUENCY CHARACTERISTICS FOR TCXO2520 38.400MHz （温补晶振38.400MHz规格参数）

Frequency: 38.400MHz

Frequency calibration (at 25°C±2℃): ±1ppm max.

Reflow shift ( Two consecutive reflows after 1 hour recovery at 25℃) :±1 ppm

Temperature range: -40 to +85 ℃

Frequency stability over temperature: ±0.5 ppm

Sensitivity to supply voltage variations ( supply voltage varied ±5% at 25℃): ±0.1 ppm

Sensitivity to load Variations (±10% load change at 25°C ): ±0.2 ppm

Long-term stability (Frequency drift over 1 year at 25°C): ±1 ppm max.

Supply voltage (Nominal supply voltage 3.3V): 3.14 to 3.46V

Current (at maximum supply voltage): 2 mA max.

Output waveform: DC coupled clipped sine wave

Output voltage level (At minimum supply voltage): 0.8 V min.

Output load Resistance ( Typical load 10 kΩ): 9 to 11 kΩ

Output load capacitance (Typical load 10pF): 9 to 11 pF

Start up time (Within 90% of specified output level): 0.5 ms max.
(Amplitude)

Start up time (Within ±0.5ppm of steady state frequency): 2 ms max.
(Frequency)

SSB phase noise

• SSB phase noise power density at 1Hz offset: -60 dBc/Hz
• SSB phase noise power density at 10Hz offset: -88 dBc/Hz
• SSB phase noise power density at 100Hz offset: -109 dBc/Hz
• SSB phase noise power density at 1kHz offset: -132 dBc/Hz
• SSB phase noise power density at 10kHz offset: -149 dBc/Hz
• SSB phase noise power density at100kHz offset: -150 dBc/Hz