Voltage Controlled Temperature Compensated Crystal Oscillator 2.5 x 2.0mm WC255 1.8V ~ 3.3V DC Clipped Sinewave VCTCXO Typical Frequencies available MHz: 16.367667 16.369 19.200 25.000 26.000 40.000 Package: (scale-none, dimensions in mm) 2.5 x 2.0mm Ceramic SMD Recommended Land Pattern: Product Features • Low Current • Tight temperature stability • Clipped Sinewave output levels CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY. • Excellent Phase Noise • Industrial Temperature Range • Pb-free and RoHS/Green compliant Pin Functions: • Fast lead time Pin Function 1 Control Voltage 2 Ground 3 Output 4 VDD Product Description The WC255 VCTCXO series is a high performance temperature compensated oscillator with a clipped sinewave output for a very low operating supply current. It supports various power supply voltages, stabilties and other features. It is designed to meet existing application requirements. CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY. Applications Part Ordering Information: • Networking systems WC T50255 5 V X FFFF.FFFFFF • Networking A Voltage: • GPS/Navigation 1=+3.3V 2=+2.5V 3=+1.8V 4=+1.5V B=+3.0V C=+2.8V D=+2.7V E=+2.85V F=+2.75V G=+2.4V • Metering • Mobile and wireless • Handset B C Stability and Temp Range: Stability Temp Range -20/+70C +/-0.5ppm A +/-1.0ppm B +/-1.5ppm C +/-2.0ppm D +/-2.5ppm E +/-5.0ppm W -30/+85C F G H I J X -30/+75C K L M N O Y -40/+85C P Q R S T Z Frequency: FFFF.FFFFFF MHz, “4 digits/decimal/6 digits” format Following the above format, PSE Technology Corporation part numbers will be assigned upon confirmation of exact customer requirements. SaRonix-eCera™ is a Pericom® Semiconductor company 12-0065 • US: +1-408-435-0800 TW: +886-3-4518888 • www.pericom.com All specifications are subject to change without notice. WC255 REV 01 2012_October 31 1 1.8V ~ 3.3VDC Clipped Sinewave VCTCXO WC255 Voltage Controlled Temperature Compensated Crystal Oscillator 2.5 x 2.0mm Electrical Performance Parameter Min. Typ. Max. Units Notes Output Frequency 10 40 MHz Supply Voltage 1.8 3.3 V See ordering options, VDD ±5% 1.5 mA Output Frequency ≤ 26 MHz 2.0 mA Output Frequency > 26 MHz 1.4 V Pk-Pk V For VDD ≤ 2.5V Supply Current Output Voltage Level 0.8 0.9 Control Voltage Center 1.4 Control Voltage Range Frequency Adjustment Range (Pulling Range) V For VDD >2.5V 0 1.8 V For VDD ≤ 2.5V 0.4 2.4 V For VDD >2.5V 15 ppm 10 % -15 Linearity Input Impedance 500 kΩ Modulation Bandwidth 10 kHz Output Load Resistance 9 10 11 kΩ Capacitance 9 10 11 pF vs Temperature ±0.5 Positive slope ±5.0 ppm vs Load ±0.2 ppm ±10% load change vs Voltage ±0.1 ppm ±5% supply voltage change at typical load Frequency Aging ±1.0 ppm First year, +25°C Frequency Tolerance After Two Reflows ±2.0 ppm @ +25°C±3°C after one hour recovery Frequency Stability Harmonics -7 dBc Operating Temperature Range -30 85 °C Storage Temperature Range -40 85 °C Phase Noise at 1KHz offset -133 dBc/Hz See ordering options At 26MHz Notes: 1. For specifications other than those listed, please contact sales. 2. Not all combinations of VDD, Operating Temperature Range, Frequency Stabilty and Output Frequency are available. 3. Frequency Stability vs. Temperature is reference to the mid-point between minimum and maximum frequency values over the specified Operating Temperature Range 4. Frequency Stability vs. Voltage and vs. Load changes are reference to the Nominal Frequency at 25°C For the latest product information visit: http://www.pericom.com/products/crystals-and-crystal-oscillators/tcxo/?part=WC255 For test circuit go to: http://www.pericom.com/assets/sre/VCTCXO_CLIPPEDSINE_RevA.pdf For soldering reflow profile and reliability test ratings go to: http://www.pericom.com/assets/sre/reflow.pdf For tape and reel information go to: http://www.pericom.com/assets/sre/tr_2520_xo.pdf SaRonix-eCera™ is a Pericom® Semiconductor company 12-0065 • US: +1-408-435-0800 TW: +886-3-4518888 • www.pericom.com All specifications are subject to change without notice. WC255 REV 01 2012_October 31 2