CFPT-37
ISSUE 3 ; 20 DECEMBER 2005
Delivery Options
■
Please contact our sales office for details
Package Outline
7.0 x 5.0 x 2.0mm SMD
Environmental Specification
■
Storage Temperature Range -55 to 125°C
Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz
1.5mm displacement, at 98.1m/s2, 30 minutes in each
of three mutually perpendicular axes at 1 octave per
minute
Shock: IEC 60068-2-27 Test Ea, 980m/s2 acceleration for
6ms duration, 3 shocks in each direction along three
mutually perpendicular axes
Solderability: MIL-STD-202, Method 208, Category 3
RoHS: Parts are fully compliant with the European
Union directive 2002/95/EC on the restriction of the use
of certain hazardous substances in electrical and
electronic equipment.
Note: The RoHS compliant parts are suitable for
assembly using both Lead-free solders and Tin / Lead
solders.
■
■
Description
■
CFPT-37 is a fixed frequency, surface mount, temperature
compensated crystal oscillator providing a high degree of
frequency stability over a wide temperature range
Supply Voltage
■
3.3V ± 0.3V
Frequency Stability
Temperature ±0.9ppm
■
Supply Voltage Variation ±0.3ppm *
■
Load Variation ±0.2ppm
■
After Reflow ±1.0ppm
■
Calibration Tolerance @ 25°C ±1.0ppm
* Supply Voltage Variation :
>30.0MHz to <40.0MHz, ±0.4ppm
>40.0MHz, ±0.5ppm
■
■
■
■
Manufacturing Information
■
SURFACE MOUNT
TCXOs
Operating Temperature Range
■
-20 to 70°C
Supply Current
■
3mA @ 20MHz typical
Output Compatibility
■
HCMOS
■
Load: 15pF nom.
■
VoL: <10% Vs
■
VoH: >90% Vs
■
Duty Cycle: 45/55%
■
Rise Time: 8ns
■
Fall Time: 8ns
Ageing
■
±1ppm / year typical in 1st year @ 25°C
Standard Frequencies
■
10, 12.8, 13.0, 14.4, 16.32,16.384, 19.44, 20.0, 26.0,
32.768, 40.0MHz
Other frequencies may be available, please contact our sales
office
Marking
■
CMAC and Batch Code
■
37 + Frequency Code + Date Code
Minimum Ordering Information Required
■
Frequency + Model Number (example 10.0MHz CFPT-37)
■
Soldering: SMD product suitable for Convection Reflow
soldering. Peak temperature 260°C. Maximum time above
220°C, 60s
Washing: Able to withstand aqueous washing process.
Packaging: Tape and reel, details available on request.
■
Outline in mm
7.0±0.15
0.6
2.0
Pad Connections
1.N/C
2.GND
3.Output
4.+Vs
T1, T2, T3, T4 N/C
5.08
0.79
1
T4
4
1.04
T1
T2
T3
3
2
0.9
1.4
Solder pad layout
5.08
2.0
1.2
1.5
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
4.20
Website: www.cmac.com
5.0±0.15
微控制器 MCU
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
