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Pin Functions:
Pin
Function
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.
1
2
3
4
Ground
Ground
Output
V
DD
Applications
•
Networking systems
•
Networking
•
GPS/Navigation
•
Metering
•
Mobile and wireless
•
Handset
Part Ordering Information:
WT 325
V X FFFF.FFFFFF
T50 5
A
B
C
Voltage:
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
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
•
US: +1-408-435-0800 TW: +886-3-4518888
•
www.pericom.com
12-0061
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
Supply Voltage
Supply Current
Output Voltage Level
Output Load
Resistance
Capacitance
vs Temperature
Frequency Stability
Frequency Aging
Frequency Tolerance After Two Reflows
Harmonics
Operating Temperature Range
Storage Temperature Range
Phase Noise at 1KHz offset
vs Load
vs Voltage
10
1.8
40
3.3
2.0
2.1
MHz
V
mA
mA
V
kΩ
pF
ppm
ppm
ppm
ppm
ppm
dBc
°C
°C
dBc/Hz
At 26MHz
See ordering options
See ordering options
±10% load change
±5% supply voltage change at
typical load
First year, +25°C
@ +25°C±3°C after one hour
recovery
See ordering options, VDD
±5%
Output Frequency ≤ 30 MHz
Output Frequency > 30 MHz
Pk-Pk
0.8
9
9
±0.5
10
10
1.4
11
11
±5.0
±0.2
±0.1
±1.0
±2.0
-7
-30
-40
-128
85
85
Notes:
1. For specifications other than those listed, please contact sales.
2. Not all combinations of V
DD
, 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
