ETC CFPT-126

CFPT-126
ISSUE 1 ; 7 JANUARY 2005
Delivery Options
■ Please contact our sales office for details
Environmental Specification
■ Storage Temperature Range -55 to 125°C
Package Outline
7.0 x 5.0 x 2.0mm SMD (surface mount device)
■
■
Description
■ CFPT-126 is a surface mount temperature compensated
voltage controlled oscillator (TCVCXO) providing a high
degree of frequency stability over a wide temperature range
Supply Voltage
3.3V ± 5%
■
■
Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz
1.5mm displacement, at 98.1 ms-2, 30 minutes in each
of three mutually perpendicular axes at 1 octave per minute
Shock: IEC 60068-2-27 Test Ea, 980ms-2 acceleration for
6ms duration, 3 shocks in each direction along three
mutually perpendicular axes
Solderability: MIL-STD-202, Method 208, Category 3
■
Frequency Stability
■ Temperature ±0.5ppm ( code E)
■
Supply Voltage Variation ±0.3ppm *
■
Load Variation (15pF ±10%) ±0.2ppm
■
After Reflow ±1.0ppm
Outline in mm
Pad Connections
1. Voltage Control
2. GND
3. Output
4. +Vs
T1, T2, T3, T4,
Do Not Connect
5.08
0.79
Supply Current
■
3mA @ 20MHz typical
1
T4
Output Compatibility
■
HCMOS
■
Load: 15pF nom.
■ Vol: <10% Vsupply
■ Voh: >90% Vsupply
■
Duty Cycle: 45/55%
■
Rise Time: 8ns
■
Fall Time: 8ns
4
2
T1
T2
T3
3
1.04
1.4
2.0
Solder pad layout
5.08
4.20
Ageing
■
±1ppm / year typical in 1st year @ 25°C
Standard Stock Frequencies (MHz)
■
10, 12.8, 13.0, 16.384, 19.44, 20.0, 26.0, 32.768
40.0MHz
Other frequencies may be available, please contact our
sales office.
Frequency Adjustment
■
>±5ppm by means of 1.65±1V control voltage
5.0±0.15
0.9
Operating Temperature Range
■
-40 to 85°C (code X)
1.2
SURFACE MOUNT
TCXOs
* Supply Voltage Variation :
>30.0MHz to <40.0MHz, ±0.4ppm
2.0
0.6
7.0±0.15
1.5
Output Waveform
tf
Marking
■
CMAC and Batch Code
■
tr
+Vs
90% (VoH-VoL)
VoH
Stab/Temp code + Frequency Code + Date Code
50% (VoH-VoL)
Minimum Ordering Information Required
■
Frequency + Model Number (Example 10.0MHz CFPT-126)
10% (VoH-VoL)
VoL
0V
t
T
Duty cycle = t x 100(%)
T
Test Circuit
Output
+Vs
■
Washing: Able to withstand aqueous washing process.
■
Packaging: Tape and reel, details available on request.
0.1µF
4
3
1
2
15pF*
Voltage
Control
GND
* inclusive of probe and jig capacitance
SURFACE MOUNT
TCXOs
Manufacturing Information
■
Soldering: SMD product suitable for Convection Reflow
soldering. Peak temperature 260°C. Maximum time above
220°C, 60 secs.