Datasheet

Temperature Compensated Crystal Oscillator
3.2 x 2.5mm
WT325
1.8V ~ 3.3VDC Clipped Sinewave TCXO
Typical Frequencies available MHz:
16.367667
16.369
19.200
25.000
26.000
40.000
Package: (scale-none, dimensions in mm)
3.2 x 2.5mm Ceramic SMD
Recommended Land Pattern:
Product Features
• Low Current
• Tight temperature stability
• Clipped Sinewave output levels
• Excellent Phase Noise
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
• Industrial Temperature Range
• Pb-free and RoHS/Green compliant
Pin Functions:
• Fast lead time
Pin
Function
1
Ground
2
Ground
3
Output
4
VDD
Product Description
The WT325 TCXO series is a high performance
temperature compensated oscillator with a
clipped sinewave output for a very low
operating supply current. It supports various
power supply voltages, stabilties and other
features. It is designed to meet existing application
requirements.
Applications
Part Ordering Information:
• Networking systems
WT
T50325
5 V X FFFF.FFFFFF
• Networking
A
Voltage:
• GPS/Navigation
1=+3.3V
2=+2.5V
3=+1.8V
4=+1.5V
B=+3.0V
C=+2.8V
D=+2.7V
E=+2.85V
F=+2.75V
G=+2.4V
• Metering
• Mobile and wireless
• Handset
B
C
Stability and Temp Range:
Stability
Temp Range -20/+70C
+/-0.5ppm
A
+/-1.0ppm
B
+/-1.5ppm
C
+/-2.0ppm
D
+/-2.5ppm
E
+/-5.0ppm
W
-30/+85C
F
G
H
I
J
X
-30/+75C
K
L
M
N
O
Y
-40/+85C
P
Q
R
S
T
Z
Frequency:
FFFF.FFFFFF
MHz, “4 digits/decimal/6 digits” format
Following the above format, PSE Technology Corporation part numbers will be assigned
upon confirmation of exact customer requirements.
SaRonix-eCera™ is a Pericom® Semiconductor company
12-0061
•
US: +1-408-435-0800 TW: +886-3-4518888 • www.pericom.com
All specifications are subject to change without notice.
WT325 REV 06 2012_October 30
1
1.8V ~ 3.3VDC Clipped Sinewave TCXO
WT325
Temperature Compensated Crystal Oscillator (TCXO)
3.2 x 2.5 mm
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output Frequency
10
40
MHz
Supply Voltage
1.8
3.3
V
See ordering options, VDD
±5%
2.0
mA
Output Frequency ≤ 30 MHz
2.1
mA
Output Frequency > 30 MHz
1.4
V
Pk-Pk
Supply Current
Output Voltage Level
0.8
Output Load
Resistance
9
10
11
kΩ
Capacitance
9
10
11
pF
vs Temperature
±0.5
±5.0
ppm
See ordering options
vs Load
±0.2
ppm
±10% load change
vs Voltage
±0.1
ppm
±5% supply voltage change at
typical load
Frequency Aging
±1.0
ppm
First year, +25°C
Frequency Tolerance After Two Reflows
±2.0
ppm
@ +25°C±3°C after one hour
recovery
Frequency Stability
Harmonics
-7
dBc
Operating Temperature Range
-30
85
°C
Storage Temperature Range
-40
85
°C
Phase Noise at 1KHz offset
-128
dBc/Hz
See ordering options
At 26MHz
Notes:
1. For specifications other than those listed, please contact sales.
2. Not all combinations of VDD, Operating Temperature Range, Frequency Stabilty and Output Frequency are available.
3. Frequency Stability vs. Temperature is reference to the mid-point between minimum and maximum frequency values over the specified Operating Temperature
Range
4. Frequency Stability vs. Voltage and vs. Load changes are reference to the Nominal Frequency at 25°C
For the latest product information visit:
For test circuit go to:
http://www.pericom.com/products/crystals-and-crystal-oscillators/tcxo/?part=WT325
http://www.pericom.com/assets/sre/TCXO_CLIPPEDSINE_RevB.pdf
For soldering reflow profile and reliability test ratings go to: http://www.pericom.com/assets/sre/reflow.pdf
For tape and reel information go to: http://www.pericom.com/assets/sre/tr_3225_xo.pdf
SaRonix-eCera™ is a Pericom® Semiconductor company
12-0061
•
US: +1-408-435-0800 TW: +886-3-4518888 • www.pericom.com
All specifications are subject to change without notice.
WT325 REV 06 2012_October 30
2