 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| EURO QUARTZ Miniature 11.4 x 9.6 x 4.7mm SMD package Wide frequency range: 1.25MHz to 156.0MHz Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts Frequency stability from 1ppm over -30 to +75C EM44T Series TCXO HCMOS, 4 pad SMD, MHz Range EM44T - OUTLINES AND DIMENSIONS DESCRIPTION EM44T series TCXOs are packaged in a miniature 4 pad ceramic SMD package. With squarewave (CMOS) output, tolerances are available from 1.0ppm over -30 to +75C. The part has a 0.01mF decoupling capacitor built in. SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance: Standard Frequencies: EM44T VEM44T 1.25MHz to 156.0MHz Squarewave, HCMOS <1.0ppm at +252C 10.0, 12.8, 13.0, 14.4, 15.36, 16.384, 19.2, 19.440, 19.68, 25.0, 20.0, 27.0, 38.880, 40.0, 77.760, 125.0, 155.520 (Partial list) See table 1.0 ppm max. first year 0.3 ppm max. 5% change 0.3 ppm max. 10% change 1.0ppm max. for one reflow (Measured after 24 hours) 3ppm minimum +2.8, +3.0, +3.3 or +5.0V (See table) Logic High: 90% Vdd min. Logic Low: 10% Vdd max. 10ns max. 50%10% standard, 50%5% option 5ms typical, 10ms max. See table below 15pF -55~+125C Operating Temperature Range: Frequency Stability vs. Ageing: vs. Voltage Change: vs. Load Change: vs. Reflow (SMD type): Mechanical Frequency Tuning: Supply Voltage: Output Logic Levels: Rise and Fall Times: Duty Cycle: Start-up Time: Current Consumption: Output Load: Storage Temperature: FREQUENCY STABILITY INPUT VOLTAGE & CURRENT CONSUMPTION Input Voltage/ Frequency 8.192MHz 10.0MHz 77.760MHz 155.520MHz +2.8V 2mA 3mA 14mA 26mA +3.0 +3.3V 2mA 4mA 17mA 35mA +5.0 V 5mA 7mA 32mA 50mA SSB PHASE NOISE at 25C Offset Frequency Stability (ppm) 0 ~ +50 -10 ~ +60 Temperature Range (C) -20 ~ +70 -30 ~ +75 -40 ~ +85 P 0.5 ASK x x x x 1.0 P P x x x 1.5 P P P x x 2.0 P P P P x 2.5 P P P PP P Part = M44T33 at 10.0Mhz (dBc/Hz) at 155.250Mhz (dBc/Hz) -115 -72 -135 -110 -148 -125 -152 -132 -155 -125 10Hz 100Hz 1kHz 10kHz 100kHz PART NUMBERING PROCEDURE Example: = available, x = not available, ASK = call Technical Sales EM44T33-38.880-2.5/-30+75 VEM44T VOLTAGE CONTROL SPECIFICATION Control Voltage: Standard = +1.51.0Volts for all input voltages. (Contact technical sales if +2.52.0 Volts is required.) Frequency Deviation: 6.0 ppm min. (Vcon = +4.5V1.0V) Slope Polarity: Positive (increase of control voltage increases output frequency.) Input Impedance: 50k minimum Modulation Bandwidth: 20kHz minimum Linearity: 10% maximum Series Description TCXO = EM44T VCTCXO = VEM44T Supply Voltage 28 = 2.8VDC 3 = 3.0VDC 33 = 3.3 VDC 5 = 5.0 VDC Frequency (MHz) Stability over OTR (ppm) Operating Temperature Range (OTR) (C) Lower and upper limits. EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk |
Price & Availability of EM44T5-38880-25-30
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |