E2747 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – STRATUM 3 TCXO

E2747/E2747LF STRATUM 3 TCXO (-20 to 70°C)
ISSUE 4 ; 13 JUNE 2005
Nominal Frequency, Fo
■ 12.8MHz
Supply Voltage
■ 3.3V ±5%
Input Current
■ < 4mA
Output
■ Type: HCMOS
■ Load: 15pF max
■ VoL: <0.1 _Vs
■ VoH: >0.9 Vs
■ Duty Cycle @ 50%: 45% to 55%
■ Rise Time, 10% to 90%: < 9ns
■ Fall Time, 90% to 10%: < _9ns
Holdover Stability [±(Fmax-Fmin)/2Fo]
■ Temperature, –20 to 70°C: <±0.28ppm
■ Temperature, –20 to 70°C, inclusive of
Supply Voltage, 3.3V±5% and Ageing, 24 hours:
<±0.32ppm
Free-Run Accuracy, incl.
■ Calibration@25°C, Temperature –20 to 70°C, Supply
Voltage 3.3V±5% Load 15pF±5%, Reflow Soldering and
Ageing 20 years: < ±4.6ppm ref. to Nominal Frequency
Phase Noise
■ 10Hz
< -90dBc/Hz
■ 100Hz < _-115dBc/Hz
■ 1kHz
< -127dBc/Hz
■ 10kHz < -137dBc/Hz
■ > 100kHz < -143dBc/Hz
Tri-State
■ Pad 8 open circuit or > 0.6Vs: Output Enabled
■ Pad 8 < _{0.2Vs: Output in Tri-state mode}
■ _{In Tri-state mode, the output stage is disabled but the}
oscillator and compensation circuit are still active
(current consumption < 1mA)
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
Europe Tel: [phone]
Americas Tel: [phone]
Asia Tel: [phone]
Fax: [phone]
Fax: [phone]
Fax: [phone]
■ Solderability: MIL-STD-202, Method 208, Category 3
■ Resistance to Soldering Heat: 260°C / 10s exposure
■ Marking: Laser Marked
■ RoHS/Soldering: Parts with the suffix ‘LF’ on the part
number 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 (see Lead-free Reflow
soldering profile) and Tin / Lead solders (see Tin / Lead
Reflow soldering profile).
Marking
■ _{Manufacturers ID (CMAC)}
■ Manufacturing Identifier (xx)
■ Pad 1 / Static Sensitivity Identifier (∆)
■ Abbreviated Part Number (2747)
■ Oscillator’s Date of Manufacture (YW)
CMAC xx
Note: Production parts will be
marked in this format. Sample
∆ 2747 YW
marking may vary
Outline in mm
7.0±0.15
1.0
1.27
5
9
678
3 21
4
10
0.6
Pad Connections
1.Do not connect
2.N/C
3.DC Coupled Output
(do not connect)
4.GND
5.Output
6.N/C
7.N/C
8.Tri-state Control *
9. +Vs
10.Do not connect,
or connect to GND
* see text
Website: www.cmac.com