Shortform TCXO STRATUM III

TCXO
Temperature Compensated Crystal Oscillators
for network synchronization
Applications
•
•
•
•
Features
• Holdover stability: ±0.37 ppm over 24 h
• Overall stability: ±4.60 ppm including 20 years aging
• Short term aging, G.813 Option 1: ±0.01 ppm over 24 h @ +25 °C
TDM networks, SONET / SDH, Metro Ethernet,
Wireless backhaul,
Wireless communications, picocells, femtocells,
STRATUM III, Synchronous Ethernet, IEEE 1588 v2, SETS
Standard frequencies
10.0, 12.80, 16.3840, 19.440, 20.0, 25.0, 32.0,
38.880 & 40.0 MHz
Frequency range
5.0 ~ 52.0 MHz
Frequency stability
≤ ±4.60 ppm
Overall inclusive
overall inclusive (Note #1)
frequency stability vs. temperature, tolerance ex factory, aging over 20 years, supply & load variation
Frequency stability vs. temperature
≤ ±0.28 ppm
over operating temperature range
Long term aging
≤ ±3.0 ppm
over 20 years
Holdover stability
≤ ±0.37 ppm
over 24 h
Short term aging, G.813 Option 1
≤ ±0.01 ppm/day
Frequency slope
≤ 0.05 ppm/°C
@ +25 °C ±1 °C
(Note #2)
(Note #3)
over operating temperature
@τ=1s
-10
Short term stability (ADEV)
< 1 x 10
Frequency tolerance ex factory
≤ ±0.50 ppm
@ +25 °C
Supply voltage (Vdc)
+2.7 V to +5.0 V
nominal value needs to be defined,
standard: 3.3 V and 5.0 V ±5 %
Supply current
< 3 mA
< 8 mA
10 MHz ~ 20 MHz
up to 40 MHz
Output signal
CMOS
Output level
VOH > 0.9 x Vdc
Output load
15 pF
±10 %
Symmetry (duty cycle)
45 % ~ 55 %
@ ½ Vdc
Tri-state function
Input ≥ 0.7 x Vdc or open
Input ≤ 0.3 x Vdc or GND
Output  oscillation
Output  high impedance
Jitter (rms) 1σ
< 0.5 ps
@ Fj = 12 kHz ~ 20 MHz
Phase noise @ 19.44 MHz
< -95 dBc/Hz
< -125 dBc/Hz
< -145 dBc/Hz
< -155 dBc/Hz
< -155 dBc/Hz
@
@
@
@
@
Operating temperature range
-20 ~ +70 °C
-40 ~ +85 °C
indoor use
outdoor use
Storage temperature range
-55 ~ +125 °C
Packing units
tape & reel
(Note #4)
VOL < 0.1 x Vdc
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
(extended temperature range on request)
Note #1:
Note #2:
Note #3:
Note #4:
16 Feb. 14
500 or 1000 pieces
Including frequency stability vs. temperature, tolerance @ +25 °C, aging 20 years, supply & load variation
Including frequency stability vs. temperature, supply change of ±1 % and aging over 24 h
1 day = 24 h
Clipped sine wave on request
Made in Switzerland
Page 2 of 4
TCXO
Temperature Compensated Crystal Oscillators
for network synchronization
Package outline and recommended solder pattern
TX7-705CM-SQ-ST3
TX7-705CM-TQ-ST3
Pin function
Pin function
# 1
# 5
# 6
# 9
# 10
#1
#2
#3
#4
Do not connect
GND
Output
Tri-state (Enable)
Vdc
Do not connect
GND
Output
Vdc
Do not connect: #2, #3, #4, #7 & #8
Solder pattern
Solder pattern
TX7-503CM-SQ- ST3
IR reflow soldering temperature
P in function
#1
#4
#5
#6
#8
Do not connect
GND
Output
Tri-state (Enable)
Vdc
Do not connect: #2, #3 & #7
Solder pattern
Reflow conditions per JEDEC J-STD-020, 260 °C maximum
Frequency deviation vs. temperature
Frequency hysteresis vs. temperature
16 Feb. 14
Made in Switzerland
Page 3 of 4
TCXO
Temperature Compensated Crystal Oscillators
for network synchronization
Phase noise
Short term stability (Allan deviation)
Environmental
Reference STD.
Test condition
Vibration sinusoidal
IEC 60028-2-6
IEC 60679-1-5.6.7
Shock
IEC 60028-2-27
IEC 60679-1-5.6.8
Solder ability
IEC 60028-2-20
IEC 60028-2-58
IEC 60679-5.6.3
Test Fc, 30 min per axis
10 Hz – 55 Hz with 0.75 mm, 55 Hz – 2 kHz with 10 g
Test Ea, 3 x per axis, 100 g,
6 ms half sine pulse
Test Ta (235 ±2) °C Method 1
Test Tb Method 1A, 5 s
QuartzCom, more than frequency
QuartzCom AG
Bischmattstrasse 11
CH 2544 Bettlach
Switzerland
16 Feb. 14
Fax
Tel
E-Mail
+41 32 644 24 05
+41 32 644 24 00
[email protected]
www.quartzcom.com
Made in Switzerland
Page 4 of 4