VC-TXO-23SM Series The VC-TXO-23SM is a VC (Voltage Controlled) TCXO VC-TCXO (Temperature Compensated Crystal Oscillator) featuring tight stability of 2.5 ppm with a voltage control tuning Obsolete/End of Life Date 8/30/2021 range of 9 ppm minimum. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS VC-TXO-23SM Units VC-TXO-23SM Parameters Conditions MIN TYP MAX Frequency Range 10.000 40.000 MHz Initial Frequency Tolerance +25C 2 C 1.5 PPM Option A -10 ~ +70 C 2.5 PPM Frequency Stability Option B -30 ~ +75 C 2.5 PPM Option C -30 ~ +85 C 5.0 PPM Input Voltage Change 3.0 VDC 5% 0.3 PPM Load Change 10k 10%//10pF 10% 0.2 PPM Aging Per Year +25 C 3 C 1.0 PPM Storage Temperature -40 +85 C Low profile Supply Voltage +2.85 +3.0 +3.15 V DC 3.2 x 2.5 mm Footprint Highly stable output Input Current Without Load 1.5 mA PbFree/RoHS Compliant Output Level 0.8 Vp-p Output Load 10k // 10pF Output Waveform Clipped sine wave (DC-Coupling) Frequency Control Range +1.5 VDC 1V Positive Slope 9 15 PPM Control Voltage +0.5 +1.5 +2.5 VDC SSB Phase Noise -130 dBc/Hz at 1 KHz offset Startup Time 3.5 ms IR Reflow Resistance 1.0 PPM Reflow Condition +250 C 10 C for 10 seconds Part Numbering Guide: VC-TXO-23SM-192-B Series - Frequency Abbreviations - Frequency Stability A = 2.5 ppm -10 ~ +75 C 100 = 10.000 MHz VC-TXO-23SM B = 2.5 ppm -30 ~ +75 C 192 = 19.200 MHz C = 5.0 ppm -30 ~ +85 C 196.8 = 19.680 MHz 198 = 19.800 MHz 200 = 20.000 MHz 260 = 26.000 MHz th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com VC-TXO-23SM Series VC-TCXO Package Dimensions (mm) Pin Connections 1 V Control 2 Ground 3 Output Figure 2) Land Pattern 4 +VDC Figure 1) Top, Side, and Bottom views Figure 3) Pocket Tape Dimensions Package Data Item Description Figure 4) Suggested Reflow Profile Lid Metal Base Ceramic Sealing Seam Terminal Tungsten (metalized) Plating Gold/Nickel (Surface)/(Under) RoHS Compliant (Pb Free) th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com