TX7-705-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: Clipped sine wave or CMOS
Parameter
Specification
Frequency range
9.83040 ~ 52.0 MHz
Standard frequencies
10.0, 12.80, 16.3840, 19.440, 20.0, 25.0, 26.0, 32.0, 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
≤ ±3.5
ppm
20 years
Short term aging, G.813 Option 1
≤
±0.01 ppm/day (Note #3)
@ +25 °C ±1 °C
1
Holdover stability ( )
≤
±0.37 ppm
over 24 hours
Frequency tolerance ex. Factory (preset)
≤ ±0.50
ppm
@ +25 °C
Supply voltage
+3.3 V or +5.0 V
Supply current
< 8 mA
clipped sine wave
CMOS
Output signal
Output level
> 0.8 Vp-p
V
OH
> 0.9 x Vdc / V
OL
< 0.1 x Vdc
Output load
15 pF
10 kΩ // 10 pF
Tri-state function
pin #9 high or open
pin #6
oscillation
pin #9 low
pin #6
high impedance
Phase noise @ 12.8 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
# 1
# 5
# 6
# 9
# 10
GND or not connected
GND
Output
Tri-state
Vdc
Soldering pattern
Do not contact #2, #3, #4, #7 & #8
IR reflow soldering temperature
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
sales@quartzcom.com
www.quartzcom.com
16 May. 14
