VFTX120 TCXO Low Noise 25.4x22mm SMD, SINE WAVE Features RoHS Status 30MHz to 180MHz frequency range Ultra low jitter and phase noise: -135 dBc/Hz @ 1kHz Excellent frequency stability <1ppm Low power: <135mW typical Applications SONET / SDH / ATM 10 Gigabit Ethernet Digital Wireless Reference Description The VFTX120 is a low noise TCXO capable of providing a sine wave output frequency up to 180MHz. The temperature stability is less than 1ppm over a temperature range of -40ºC to + 85ºC. Operating with a +3.3 volt power supply the device typically consumes 135 mW. The device contains an internal voltage regulator for improved stability and noise performance. The VFTX120 is available in a 25.4mm x 22mm surface mount package. Replaces Part Number: VFT7H Electrical Specifications Parameter Frequency Range Frequency Stability Operating Temperature Range Output Supply Voltage Voltage Control Input Impedance APR Deviation slope Linearity Modulation BW Symbol Condition F ∆F/F T Min Typ 30 Max Unit 180 MHz 1.0 1.0 ppm Note Vs. Operating Temperature B: 0C to +70C G: -40C to +85C 0.5 0.8 Vs. Supply Voltage 0.1 ppm/V Vs. Aging / Year Vs. Aging / 10 Years 1 3 ppm First Year 10 Years +70 +85 C Order Code B Order Code G 3.45 V Order Code E 3.3 V 0 -40 SINE WAVE VCC 3.15 VC 0 3.30 10 kΩ 5 ppm Monotonic positive -10 10 +10 % Hz 3dB BW 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD0913 Specifications are subject to change without notice 1 VFTX120 TCXO Low Noise 25.4x22mm SMD, SINE WAVE Electrical Specifications Parameter Symbol Input Current ICC Condition Min Typ Max Unit 50 mA Note AC-coupled 50 Ohms Load Output Power Into 50 Ohms 8 Start up time 10.5 2 10 ms .4 ps Phase Jitter 12kHz to 20MHz 0.15 SSB Phase Noise 100Hz 1kHz 10kHz 100kHz -110 -135 -154 -160 Setability Ref. to ƒo Setability Voltage 1.3 dBm dBc/Hz 0.1 ppm 1.7 V @ 100 MHz How to Order VFTX120 FREQUENCY, MHz Temperature Range Code B G Specification 0°C to 70°C -40°C to 85°C 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD0913 Specifications are subject to change without notice 2 VFTX120 TCXO Low Noise 25.4x22mm SMD, SINE WAVE Absolute Maximum Ratings Parameter Supply Break Down Voltage Storage Temperature Control Voltage Symbol Condition Min Typ Max Unit VCC -0.5 4.6 V TS -55 +105 C VC -0.5 3.6 V Note Environmental and Mechanical Conditions Parameter Mechanical Shock Conditions Per MIL-STD-202, Method 213, Condition E Thermal Shock Per MIL-STD-883, Method 1011, Condition A Vibration Per MIL-STD-883, Method 2007, Condition A Soldering Conditions 260C for 10s max Leak rate less than 5x10-8 atm.cc/s of helium (crystal only) Hermetic Seal Epoxy ink or laser engraved Markings Connection Diagram VCC = 3.3V Mechanical Outline R1 50Ω FOUT C1 0.01 3 4 N/C 5 N/C R3 10kΩ 2 1 6 7 VC N/C GND Pin # 1 2 3 4 5 6 7 Pin Assignments Connection VC N/C VCC FOUT N/C N/C GND 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.ctsvalpey.com • RevD0913 Specifications are subject to change without notice 3