Technical Guidance

TX7-705C-C-ST3
High precision analogue compensated
STRATUM III SMD TCXO
Applications
Parameter



synchronization, SyncE, IEEE 1588v2, STRATUM III
TDM networks, SDH/SONET, wireless backhaul
Wireless communications, metro carrier Ethernet
Specification
Frequency range
10.0 ~ 32.0 MHz
Standard frequencies
10.0, 12.80, 16.384, 19.440, 20.0, 25.0, 26.0 & 32.0 MHz
Frequency stability
≤ ±4.60 ppm
overall inclusive
Overall inclusive
frequency stability vs. temperature, tolerance ex factory , aging over 20 years, supply & load variation
vs. temperature
≤ ±0.28 ppm
-40 ~ +85 °C
vs. aging
≤ ±3.0 ppm
over 20 years
1
Holdover stability ( )
≤ ±0.37 ppm
over 24 hours
Frequency slope
≤ 0.05 ppm/°C
over operating temperature
-10
Short term stability (ADEV)
< 1 x 10
@ τ = 1 sec.
Frequency tolerance ex. factory
≤ ±0.50 ppm
@ +25 °C
Supply voltage (Vdc)
+2.7 V to +5.5 V
Supply current
< 8 mA
Output signal
CMOS
Output level
VOH > 0.9 x Vdc VOL < 0.1 x Vdc
Output load
15 pF
±5 %
Tri-state function
pin #1 > 0.7 x Vdc or open
pin #6  oscillation
pin #1 < 0.3 x Vdc or GND
pin #6  high impedance
< 0.5 ps
@ Fj = 12 kHz ~ 20 MHz
Jitter (rms) 1σ
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 1000 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
# 10
Soldering pattern
GND or Tri-state
GND
Output
Vdc
All other pins are not connected
IR reflow soldering temperature
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
08 Dec. 13