Product Data Sheet

TX-320
Temperature Compensated Crystal Oscillator
TX-320
Description
The TX-320 series surface mount TCXO can be mounted using the standard convection reflow process. Current drain to less than 5
mA is available upon request. Aging <5 ppm for ten years.
Features
Applications
• Low Profile
• TTL / HCMOS Output
• Frequency Range: 1 MHZ to 77.76 MHZ
• Previous Model: TC-350, C2490
• SMC Clock
• SONET/SDH Network Timing Sources
• Wireless Communications
• Satellite Communications
Performance Specifications
Parameter
Min
Typ
Max
Units
Condition
Frequency Stabilities1
vs. operating temperature range
(referenced to +25°C)
-2.5
-1.5
-2.0
-1.0
-1.5
-0.75
-1.0
-0.5
-1.0
-0.5
vs. supply voltage change
vs. aging / 10 years
+2.5
+1.5
+2.0
+1.0
+1.5
+0.75
+1.0
+0.5
+1.0
+0.5
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
-55… +85°C
-55… +85°C
-40… +85°C
-40… +85°C
-20… +70°C
-20… +70°C
0… +70°C
0… +70°C
0… +50°C
0… +50°C
+0.1
+5
ppm
ppm
Vs ± 5%
@ +70°C
Supply Voltage (Vs)
Supply voltage
3.135
3.3
3.465
VDC
Supply voltage
4.75
5.0
5.25
VDC
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Performance Specifications
Parameter
Min
Typ
Max
Units
Condition
RF Output
HCMOS/ACMOS
Signal
Load
10
Signal Level (Vol)
Signal Level (Voh)
pF
+0.5
0.8
V
Rise/Fall Time
Duty cycle
40
Signal
V
5
ns
60
%
Load
10 TTL
Signal Level (Vol)
Signal Level (Voh)
+0.5
+2.4
Rise/Fall Time
Duty cycle
@ (Voh-Vol)/2
TTL
40
VDC
with Vs=12.0V or 5.0V and 15pF load
VDC
with Vs=12.0V or 5.0V and 15pF load
10
ns
60
%
@ (Voh-Vol)/2
Frequency Tuning (EFC)
Tuning Range
±5.0
ppm
via external voltage, 0 to +Vdd
Outline Drawing / Enclosure
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Recommended Pad Layout
Recommended Reflow Profile
Note: TCXO’s are precision subsystems with tolerances measured to 0.01 ppm. Non-Hermetically sealed TCXO’s should not be
subjected to a wash process that will immerse the TCXO in solvents. NO CLEAN is the recommended procedure. The TX-320 series of
TCXO’s has been designed for pick and place reflow soldering. The suggested reflow profile is shown above. The TCXO may be relfowed one time in the non-inverted state. Typical frequency shift as a result of reflow is <1.0 ppm per reflow. VI recommends waiting
at least two hours after reflow below measuring the unit.
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Output Loads
Standard Shipping Method
The Standard ship method for volume production of the TX-320 series is in a matrix tray. These trays are 100% recyclable. The trays
also offer the added feature that they can be continuously feed into a pick-n-place machine eliminating the down time required
with tape-n-reel.
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Handling Precautions
Although protection circuitry has been designed into this device, proper precautions should be taken to avoid exposure to
electrostatic discharge (ESD) during handling and mounting. VI employs a human-body model *HBM) and a charged-device model
(CDM) for ESD-susceptibility testing and protection design evaluation. ESD voltage thresholds are depending on the circuit parameters used to define the mode.
Although no industry-wide standard has been adopted for the CDM, a standard HBM (resistance =1500 ohms, capacitance - 1000
pf ) is widely used and therefore can be used for comparison purposes. The HBM ESD threshold presented here was obtained by using these circuit parameters.
ESD Threshold Voltage
Model
Threshold
Unit
Human-Body (HBM)
500
V min
Charged-Device
500
V min
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Ordering Information
TX - 320 0 - D A T - 106
X - 10M0000000
Frequency
Product Family
TX: TCXO
Package
18 x 23 mm
Stability Code
507: ±0.5ppm
757: ±0.75ppm
106 ±1.0ppm
156: ±1.5ppm
206: ±2.0ppm
256: ±2.5ppm
Height
0: C3.81mm
Supply Voltage
D: 5 Vdc
E: 3.3Vdc
RF Output Code
A: HCMOS/ACMOS
B: TTL
Tuning Option
A: Standard, Pin 2 EFC
B: Enable high (or floating) on pin 2, No EFC
C: No EFC or Enable, pin 2 NC
Temperature Range
A: -55°C to +85°C
E: -40°C to +85°C
J: -20°C to +70°C
T: 0°C to +70°C
P: 0°C to +50°C
Notes:
1. Contact factory for improved stabilities or additional product options. Not all options and codes are available at all frequencies.
2. Unless other stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency control voltage, load, temperature (25°C).
3. Phase noise degrades with increasing output frequency.
4. Subject to technical modification.
5. Contact factory for availability.
For Additional Information, Please Contact
USA:
Vectron International
267 Lowell Road, Suite 102
Hudson, NH 03051
Tel: 1.888.328.7661
Fax: 1.888.329.8328
Europe:
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 3328.4784.17
Fax: +49 (0) 3328.4784.30
Asia:
Vectron International
68 Yin Cheng Road(C), 22nd Floor
One LuJiaZui
Pudong, Shanghai 200120, China
Tel: +86 21 6194 6886
Fax: +86 21 6194 6699
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 2-18-2014 jar
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com