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EQUD44 Series Oscillator
Temperature Compensated Voltage Controlled Quartz Crystal Clock Oscillators TCVCXO Clipped Sinewave 2.8Vdc 4 Pad 2.0mm x 2.5mm Ceramic Surface Mount (SMD)

Revision  A  01/20/2014

Electrical Specifications

Nominal Frequency 26.000MHz to 40.000MHz
Some frequencies within this range may not be available.
Frequency Stability Inclusive of Operating Temperature Range, at Vdd=2.8Vdc and Vc=1.4Vdc
±3.0ppm Maximum
±2.5ppm Maximum
±2.0ppm Maximum
±1.5ppm Maximum
±1.0ppm Maximum
±0.5ppm Maximum
Frequency Stability vs. Frequency Tolerance ±1.0ppm Maximum (at 25°C ±2°C, at Vdd=2.8Vdc, and Vc=1.4Vdc, Pre-Reflow)
Frequency Stability vs. Input Voltage ±0.2ppm Maximum (±5%)
Frequency Stability vs. Load ±0.2ppm Maximum (±1kOhm//±1pF)
Frequency Stability vs. Reflow ±1ppm Maximum (at 25°C, 24 hours after reflow, 1 time)
Frequency Stability vs. Aging ±1ppm/Year Maximum (at 25°C)
Operating Temperature Range 0°C to +50°C
-10°C to +60°C
0°C to +70°C
-20°C to +70°C
-30°C to +60°C
-30°C to +75°C
-30°C to +85°C
-40°C to +85°C
Supply Voltage 2.8Vdc ±5%
Input Current 2.0mA Maximum over Nominal Frequency of 26MHz to 26MHz
2.5mA Maximum over Nominal Frequency of 26.000001MHz to 40MHz
Output Voltage External DC-Cut capacitor required, 1000pF recommended
0.8Vp-p Clipped Sinewave Minimum
Load Drive Capability 10kOhms//10pF
Output Logic Type Clipped Sinewave
Control Voltage 1.4Vdc ±1.0Vdc
Frequency Deviation ±5ppm Minimum
Linearity 10% Maximum
Transfer Function Positive Transfer Characteristic
Modulation Bandwidth 10kHz Minimum at -3dB
Input Impedance 500kohm Minimum
Phase Noise All Values are Typical
-89dBc/Hz at 10Hz Offset
-115dBc/Hz at 100Hz Offset
-138dBc/Hz at 1kHz Offset
-150dBc/Hz at 10kHz Offset
RMS Phase Jitter Fj=12kHz to 20MHz (Random)
0.6pSec Typical, 1pSec Maximum
Start Up Time 2mSec Maximum
Storage Temperature Range -40°C to +85°C