TX7-705CM-SQ-CoSa Analogue compensated high accurate and reliable CMOS SMD TCXO Application COSPAS-SARSAT emergency beacon Class 1 & 2 Nominal Frequency Fo 10.000, 12.688375, 12.688656 MHz 12.800, 12.688750, 16.384, 20.000 MHz Frequency stability: vs. operating temperature range vs. supply voltage vs. load vs. aging Allan variance (ADEV) ≤ ±0.2 ppm ≤ ±0.2 ppm ≤ ±0.03 ppm ≤ ±0.01 ppm ≤ ±1.0 pm ≤ ±3.0 pm 1E-9 -40 ~ +55 °C -20 ~ +55 °C ±5 % ±5 % 1st year 10 years @ = 0.1s Class 1 beacon Class 2 beacon Medium-term stability: Mean slope F/dt after 15 min power-up: steady state during temperature ramp Residual F (r.m.s.) from slope IAW C/S T.007 and C/S IP TCXO ≤ ±0.7 ppb/min. ≤ ±1.7 ppb/min. ≤ 3.0 ppb T = const. T/dt = ± 5 °C/hour over 18 points Supply voltage Supply current Output signal Output level Output load Symmetry (Duty) Tri-state function +3.3 V 4 mA HCMOS VOH > 0.9 Vdc 15 pF 45 ~ 55 % pin # 9 high or open pin # 9 low -40 ~ +55 °C -20 ~ +55 °C -55 ~ +125 °C ±5 % Max. (optional) Operating temperature range Storage temperature range Marking VOL < 0.1 Vdc @ ½ Vdc pin # 6 oscillation pin # 6 high Impedance Class 1 beacon Class 2 beacon QCOM (date code) frequency code Pin function # 1 # 5 # 6 # 9 # 10 Solder pattern GND or not connected GND Output Tri-state Vdc Do not connect: #2, #3, #4, #7 & #8 Do not design any conductive path between the pattern IR reflow soldering temperature 2002/95/EC RoHS compliant QuartzCom AG Bischmattstrasse 11 CH 2544 Bettlach Switzerland Fax Tel E-Mail +41 32 644 24 05 +41 32 644 24 00 [email protected] www.quartzcom.com Page 1 of 2 22 Feb. 13 TX7-705CM-SQ-CoSa Analogue compensated high accurate and reliable CMOS SMD TCXO Application COSPAS-SARSAT emergency beacon Class 1 & 2 Medium term stability Frequency stability measurement procedure according the COSPAS/SARSAT T0.007 Note: The 2h and 1h warm-up and stabilisation times are for type approval test of complete beacon. For testing of TCXO these times may be shortened accordingly. Environmental Reference STD. Test condition Vibration sinusoidal IEC 60028-2-6 IEC 60679-15.6.7 Shock IEC 60028-2-27 IEC 60679-15.6.8 Solderability IEC 60028-2-20 IEC 60028-2-58 IEC 60679-5.6.3 Test Fc, 30 min per axis 10 Hz – 55 Hz 0.75mm, 55 Hz – 2 kHz 10 g Test Ea, 3 x per axes 100 g, 6 ms half-sine pulse Test Ta (235 ±2) °C Method 1 Test Tb Method 1A, 5s 2002/95/EC RoHS compliant QuartzCom AG Bischmattstrasse 11 CH 2544 Bettlach Switzerland Fax Tel E-Mail +41 32 644 24 05 +41 32 644 24 00 [email protected] www.quartzcom.com Page 2 of 2 22 Feb. 13