TX7-503-SQ-ST3 Datasheet, PDF (1/1 Pages) QUARTZCOM the communications company – High precision analogue compensated STRATUM III SMD TCXO

TX7-503-SQ-ST3
High precision analogue compensated
STRATUM III SMD TCXO
Features
 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
Parameter
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
Holdover stability (¹)
 3.0 ppm
 ±0.37 ppm
20 years
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
Output signal
clipped sine wave
CMOS
Output level
Output load
Tri-state function
> 0.8 Vp-p
10 k // 10 pF
pin #6 high or open
pin #6 low
V_OH > 0.9 x Vdc / V_OL < 0.1 x Vdc
15 pF
pin #5  oscillation
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
Packaging units
tape & reel
500 or 1’000 pieces
Customer specifications on request
(¹) Including: frequency stability, vs temperature, supply change of ±5 % and aging over 24 hours
Pin function
Pin function optional
# 1 GND
# 4 GND
# 5 OUTPUT
# 8 Vdc
# 5 External de-coupling capacitor.
Recommended Cap = 1’000 pF
# 8 External bypass Cap = 100 nF
Phase noise reduction
# 6 Tri-state
# 7 External capacitor
Reduce phase noise
Cap = 33 pF
# 2 & # 3 not connected
QuartzCom AG
Bischmattstrasse 11
CH 2544 Bettlach
Switzerland
Reflow conditions per JEDEC J-STD-020, 260 °C maximum
2011/65/EU RoHS compliant
Fax
Tel
E-Mail
[phone]
[phone]
[e-mail]
www.quartzcom.com
31 May. 13