
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
CFPT-75
SMD TCXO
ISSUE 1 ; 2 DECEMBER 2009 - RoHS 2002/95/EC
Description
Surface mount temperature compensated crystal oscillator
(TCXO) in a miniature ceramic package
Package Outline
3.2 x 2.5mm
Standard Frequencies
13.0, 16.368, 16.369, 19.2, 26.0, 27.456, 38.4MHz
Output Compatibility & Load
Clipped Sine 0.8V pk-pk minimum, 10kΩ // 10pF ±10%
Harmonics
-5dBc maximum
Frequency Stability
Temperature (see table)
Tolerance ±2.0ppm @ 25°C ±2°C
Supply Voltage Variation ±0.2ppm maximum
Load Variation ±0.1ppm maximum
Ageing ±1ppm maximum per year @ 25°C ±2°C
Operating Temperature Range
–30 to 85°C
Storage Temperature Range
–40 to 85°C
Supply Voltage
3.0V ±5%
Phase Noise (typical)
-80dBc/Hz @ 10Hz
-105dBc/Hz @ 100Hz
-130dBc/Hz @ 1kHz
-145dBc/Hz @ 10kHz
Environmental
Drop: natural drop from 150cm onto a hard board, 3 times in
each mutually perpedicular axis.
Vibration: 10 to 55 to 10Hz, 1.5mm amplitude, 1 min sweep
rate, 3 times in each axis, 2hrs duration per axis
MSL 3
Reflow Soldering Temp 260°C max for 10sec max
Washing not recommended
Marking Includes
Batch code
Packaging
Loose in bulk pack or tape and reel
Tape & Reel to EIA-481
Minimum Order Information Required
Frequency + Model Number + Operating Temperature
Code + Frequency Stability
Outline (mm)
2.5±0.2
3.2±0.2
Pad Connections
1. GND
2. GND
3. Output
4. +Vs
1
4
3
2
0.87
Solder pad layout
0.5
2.24
1.27
0.4
0.87
0.78
0.87
0.78
Note 1: a capacitor of 47nF between +Vs
and GND is recommended.
1.0
max
0.87
0.4
0.5
Note 2: a DC bias cut capacitor of 0.001μF
at the output is recommended.
Underside View
Test Circuit
+Vs
A
V
Oscillator
Oscilloscope
Frequency counter
10pF*
10k
2
4 3
1
* Inclusive of jigging and equipment capacitance
47nF
0.001F