CFPT-141
ISSUE 5; 19 OCTOBER 2004
Delivery Options
■
Outline in mm
5.0±0.2
3.2±0.2
Pad Connections
1. Voltage Control
2. GND
3. Output
4. +Vs
Please contact our sales office for current leadtimes
Description
■
CFPT-141 is a surface mount temperature compensated
voltage controlled crystal oscillator TCVCXO) providing
a high degree of frequency stability over a wide
temperature range. They are particularly suited to
applications where space is at a premium
1.1 max
Package Outline
0.1
0.7
■
Solder pad layout
1.1
1
4
2
3
2.6
0.7
1.1
1.4 2.4
5.0
×
3.2
×
1.2mm SMD
1.6
Stock Frequencies
■
12.80, 13.0, 19.2, 20.0, 26.0MHz
1.2
Output Waveform
■
3.8
Clipped Sine 0.8V pk-pk min
Output Load 10kΩ//10pF ±10%
■
Voltage Control
■
1.5V ±1.0V applied to pad 1
VC Input Impedance >1.0MΩ
Test Circuit
SURFACE MOUNT
TCXOs
■
Frequency Adjustment
■
±3ppm to ±7ppm
mA
+Vs
Power
Supply
V
+Vs
Oscillator
4
1
V
3
2
10k
Probe
To Counter
10pF* or Scope
Frequency Stability
■
Temperature: see table
Supply Voltage Variation: ±0.2ppm (5% change)
Load Variation: ±0.2ppm max (10% change)
Ageing ±1ppm typical first year @ 25°C
■
0.1µF
■
■
* Inclusive of jigging and equipment
Storage Temperature Range
■
–55 to 125°C
Soldering Conditions
■
For typical soldering conditions, please see the relevant
pages in Application Notes
Marking
■
Model number
Frequency
■
Minimum Order Information Required
■
Frequency + Model Number + Frequency Stability
+ Operating Temperature
Europe Tel: +44 (0)1460 270200
Americas Tel: +1 919 941 9333
Asia
Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578
Fax: +1 919 941 9371
Fax: +86 755 8826 5990
Website: www.cmac.com
2.3
Electrical Specifications - maximum limiting values when measured in test circuit
Frequency Range Supply Voltage Supply Current
10.0 to 30.0MHz
3.0V ±0.15V
2.0mA
Voltage Control Change
±3ppm min. / ±7ppm max.
Output Waveform
Clipped Sine
Output
0.8 V pk-pk min
Model Number
CFPT-141
Frequency Stabilities Available Over Temperature Ranges
Frequency Stabilities Vs Operating Temperature Range
Operating Temperature
Ranges
±1.5ppm
0 to 50°C
-10 to 60°C
-20 to 70°C
-30 to 85°C
-40 to 85°C
Code CP
Code CR
-
-
-
±2.0ppm
Code GP
Code GR
Code GS
-
-
±2.5ppm
Code HP
Code HR
Code HS
Code HW*
Code HX
±5ppm
Code KP
Code KR
Code KS
Code KW
Code KX
*Please
note Code HW is the standard frequency stability vs operating temperature range
Ordering Example
Frequency
Model Number
Frequency Stability Vs Operating Code
Note. Other frequencies / specifications may be available, please contact our sales office.
13.0MHz
CFPT-141
HW
SURFACE MOUNT
TCXOs
16.40
∅
60.0
∅
180
Outline in mm - Tape
4.0
2.0
16.0
+0.3
-0.1
Outline in mm - Reel
20.20
∅1.5
7.5
5.56
8.0
2.16
Europe Tel: +44 (0)1460 270200
Americas Tel: +1 919 941 9333
Asia
Tel: +86 755 8826 5991
Fax: +44 (0)1460 72578
Fax: +1 919 941 9371
Fax: +86 755 8826 5990
13.0±0.2
8.18
Website: www.cmac.com
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