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EQUC73 Series Oscillator
Temperature Compensated Voltage Controlled Quartz Crystal Clock Oscillators TCVCXO LVCMOS (CMOS) 3.3Vdc 14-Pin DIP Metal Thru-Hole

Revision  A  09/20/2013

Electrical Specifications

Nominal Frequency 1.544MHz to 155.520MHz
Some frequencies within this range may not be available.
Frequency Stability Inclusive of Operating Temperature Range, at VDD=3.3VDC at VC=1.5V
±3.0ppm Maximum
±2.5ppm Maximum
±2.0ppm Maximum
±1.5ppm Maximum
±1.0ppm Maximum
±0.5ppm Maximum
Frequency Stability vs. Frequency Tolerance At 25°C ±2°C, at VDD=3.3VDC at VC=1.5V
±1.0ppm Maximum
Frequency Stability vs. Input Voltage ±0.3ppm Maximum (±5%)
Frequency Stability vs. Load ±0.3ppm Maximum (±2pF)
Frequency Stability vs. Reflow ±1.0ppm Maximum (at 25°C, 1 hour after reflow, 1 times)
Aging at 25°C ±1.0ppm/Year Maximum
Operating Temperature Range 0°C to +50°C
-10°C to +60°C
-20°C to +70°C
-30°C to +75°C
-40°C to +85°C
Supply Voltage 3.3VDC ±5%
Input Current 10mA Maximum over Nominal Frequency of 1.544MHz to 10MHz
15mA Maximum over Nominal Frequency of 10.000001MHz to 30MHz
20mA Maximum over Nominal Frequency of 30.000001MHz to 50MHz
25mA Maximum over Nominal Frequency of 50.000001MHz to 77.76MHz
35mA Maximum over Nominal Frequency of 77.760001MHz to 155.52MHz
Output Voltage Logic High (VOH) 90% of VDD Minimum IOL=-4mA
Output Voltage Logic Low (VOL) 10% of VDD Maximum IOL=+4mA
Duty Cycle Measured at 50% of waveform
50 ±10(%)
Rise Time/Fall Time Measured at 20% to 80% of waveform
10nSec Maximum
Load Drive Capability 15pF Maximum
Output Logic Type CMOS
Control Voltage 1.5VDC ±1.0VDC
Frequency Deviation ±5ppm Minimum
Linearity 10% Maximum
Transfer Function Positive Transfer Characteristic
Internal Trim ±3ppm Minimum (Top of Can)
Modulation Bandwidth Measured at -3dB
10kHz Minimum
Input Impedance 50kOhms Minimum
Phase Noise Typical Values
Offset over Nominal Frequency of 1.544MHz to 30MHz
-96dBc/Hz at 10Hz Offset
-122dBc/Hz at 100Hz Offset
-138dBc/Hz at 1kHz Offset
-145dBc/Hz at 10kHz Offset
-150dBc/Hz at 100kHz Offset
Offset over Nominal Frequency of 30.000001MHz to 77.76MHz
-74dBc/Hz at 10Hz Offset
-105dBc/Hz at 100Hz Offset
-120dBc/Hz at 1kHz Offset
-124dBc/Hz at 10kHz Offset
-120dBc/Hz at 100kHz Offset
Offset over Nominal Frequency of 77.760001MHz to 155.52MHz
-68dBc/Hz at 10Hz Offset
-96dBc/Hz at 100Hz Offset
-110dBc/Hz at 1kHz Offset
-117dBc/Hz at 10kHz Offset
-112dBc/Hz at 100kHz Offset
Storage Temperature Range -40°C to +85°C