TX7-503-SQ-ST3 High precision analogue compensated STRATUM III SMD TCXO Features Parameter Applications: transmission, TDM networks, SDH, SONET, wireless communications, IEEE 1588v2, SyncE, STRATUM III, wireless backhaul, metro carrier Ethernet, femtocells, picocells Holdover stability: 0.37 ppm over 24 h Overall stability: 4.60 ppm including 20 years aging Output signal: CMOS Specification Frequency range 10.0 ~ 40.0 MHz Standard frequencies 10.0, 12.80 16.0, 16.384, 19.20, 20.0, 25.0, 26.0, 40.0, & 50.0 MHz Frequency stability: 4.60 ppm overall inclusive Overall inclusive frequency stability vs. temperature, tolerance, aging over 20 years, supply & load variation vs. temperature 0.28 ppm -40 ~ +85 °C vs. aging 3.0 ppm 20 years Holdover stability (1) ±0.37 ppm over 24 hours Frequency tolerance ex. factory 0.50 ppm @ +25 °C Supply voltage +3.3 V or +5.0 V 5 % Supply current < 6 mA clipped sine wave CMOS Output signal Output level > 0.8 Vp-p VOH > 0.9 x Vdc / VOL < 0.1 x Vdc Output load 15 pF 10 k // 10 pF Tri-state function pin #6 high or open pin #5 oscillation pin #6 low pin #5 high impedance Phase noise @ 20.0 MHz carrier frequency -145 dBc/Hz @10 kHz Operating temperature range -20 ~ +70 °C indoor use -40 ~ +85 °C outdoor use Storage temperature range -55 ~ +125 °C tape & reel 500 or 1’000 pieces Packaging units Customer specifications on request (1) Including: frequency stability, vs temperature, supply change of ±5 % and aging over 24 hours Pin function #1 #4 #5 #8 GND GND OUTPUT Vdc #5 External de-coupling capacitor. Recommended Cap = 1’000 pF #8 External bypass Cap = 100 nF Pin function optional Phase noise reduction #6 #7 Tri-state External capacitor Reduce phase noise Cap = 33 pF # 2 & # 3 not connected Reflow conditions per JEDEC J-STD-020, 260 °C maximum 2011/65/EU 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 31 May. 13