TCXO Temperature Compensated Crystal Oscillators for network synchronization Applications • • • • Features • Holdover stability: ±0.37 ppm over 24 h • Overall stability: ±4.60 ppm including 20 years aging • Short term aging, G.813 Option 1: ±0.01 ppm over 24 h @ +25 °C TDM networks, SONET / SDH, Metro Ethernet Wireless backhaul Wireless communications, picocells, femtocells STRATUM III, Synchronous Ethernet, IEEE 1588 v2, SETS Standard frequencies 10.0, 12.80, 16.3840, 19.440, 20.0, 21.350 25.0, 32.0, 38.880 & 40.0 MHz Frequency range 5.0 ~ 52.0 MHz Frequency stability ≤ ±4.60 ppm Overall inclusive overall inclusive (Note #1) frequency stability vs. temperature, tolerance ex factory, aging over 20 years, supply & load variation Frequency stability vs. temperature ≤ ±0.28 ppm over operating temperature range Long term aging ≤ ±3.0 ppm over 20 years Holdover stability ≤ ±0.37 ppm over 24 h Short term aging, G.813 Option 1 ≤ ±0.01 ppm/day Frequency slope ≤ 0.05 ppm/°C @ +25 °C ±1 °C (Note #2) (Note #3) over operating temperature @τ=1s -10 Short term stability (ADEV) < 1 x 10 Frequency tolerance ex factory ≤ ±0.50 ppm @ +25 °C Supply voltage (Vdc) +2.7 V to +5.0 V nominal value needs to be defined, standard: 3.3 V and 5.0 V ±5 % Supply current < 3 mA < 8 mA 10 MHz ~ 20 MHz up to 52 MHz Output signal CMOS Output level VOH > 0.9 x Vdc Output load 15 pF Symmetry (duty cycle) 45 / 55 % @ ½ Vdc Tri-state function Input ≥ 0.7 x Vdc or open Input ≤ 0.3 x Vdc or GND Output oscillation Output high impedance Jitter (rms) 1σ < 0.5 ps @ Fj = 12 kHz ~ 20 MHz Phase noise @ 19.44 MHz < -95 dBc/Hz < -125 dBc/Hz < -145 dBc/Hz < -155 dBc/Hz < -155 dBc/Hz @ @ @ @ @ Operating temperature range -20 ~ +70 °C -40 ~ +85 °C indoor outdoor Storage temperature range -55 ~ +125 °C Reflow Profiles as per IPC/JEDEC J-STD-020C ≤ 260 °C over 10 sec. Max. Moisture sensitivity Level 1 (unlimited) Packing units tape & reel Note #1: Note #2: Note #3: Note #4: 16 Feb. 15 (Note #4) VOL < 0.1 x Vdc 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 500 or 1000 pieces Including frequency stability vs. temperature, tolerance @ +25 °C, aging 20 years, supply & load variation Including frequency stability vs. temperature, supply change of ±1 % and aging over 24 h 1 day = 24 h Clipped sine wave on request Made in Switzerland Page 2 of 4 TCXO Temperature Compensated Crystal Oscillators for network synchronization Package outline and recommended solder pattern TX7-705CM-SQ-ST3 TX7-705CM-TQ-ST3 Pin function Pin function # 1 # 5 # 6 # 9 # 10 #1 #2 #3 #4 Do not connect GND Output Tri-state Vdc Do not connect GND Output Vdc Do not connect: #2, #3, #4, #7 & #8 Solder pattern Solder pattern TX7-503CM-SQ- ST3 IR reflow soldering temperature Pin function #1 #4 #5 #6 #8 Do not connect GND Output Tri-state Vdc Do not connect: #2, #3 & #7 Solder pattern Frequency hysteresis vs. temperature TX7-503CM-SQ-ST3 20.0 MHz [ ppm ] 0.42 0.28 0.14 0.00 -0.14 -0.28 -0.42 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 No 3 16 Feb. 15 15 No 4 20 25 30 No 5 Made in Switzerland 35 No 7 40 45 50 55 60 65 70 75 80 85 [ °C ] No 12 Page 3 of 4 TCXO Temperature Compensated Crystal Oscillators for network synchronization Phase noise #11 ~ #14 Short term stability (Allan deviation) Frequency stability in ppb 400 continuous measurements at 150ms gate time #11 Environmental Reference STD. Test condition Vibration sinusoidal IEC 60028-2-6 IEC 60679-1-5.6.7 Shock IEC 60028-2-27 IEC 60679-1-5.6.8 Solderability IEC 60028-2-20 IEC 60028-2-58 IEC 60679-5.6.3 Test Fc, 30 min per axis 10 Hz – 55 Hz with 0.75 mm, 55 Hz – 2 kHz with 10 g Test Ea, 3 x per axis, 100 g, 6 ms half sine pulse Test Ta (235 ±2) °C Method 1 Test Tb Method 1A, 5 s QuartzCom, more than frequency QuartzCom AG Bischmattstrasse 11 CH 2544 Bettlach Switzerland 16 Feb. 15 Fax Tel E-Mail +41 32 644 24 05 +41 32 644 24 00 [email protected] www.quartzcom.com Made in Switzerland Page 4 of 4