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EM44GT

EUROQUARTZ limited
Part Number EM44GT
Manufacturer EUROQUARTZ limited
Description CMOS 4 pad SMD kHz Range
Published Jun 2, 2014
Detailed Description EURO QUARTZ CMOS 4 pad SMD, kHz Range Miniature 11.4 x 9.6 x 4.7mm SMD package Frequency range: 20.0 to 50.0kHz; 32.768k...
Datasheet PDF File EM44GT PDF File

EM44GT
EM44GT

Overview
EURO QUARTZ CMOS 4 pad SMD, kHz Range Miniature 11.
4 x 9.
6 x 4.
7mm SMD package Frequency range: 20.
0 to 50.
0kHz; 32.
768kHz Supply voltage 3.
3 or 5.
0 Volts Frequency stability from ±1ppm over -30 to +75°C RoHS compliant EM44GT TCXO 20.
0kHz to 52.
7kHz EM44GT - OUTLINES AND DIMENSIONS DESCRIPTION EM44GT 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 +75°C.
The part has a 0.
01mF decoupling capacitor built in.
SPECIFICATION Product Series Code TCXO: VCTCXO: Frequency Range: Output Waveform: Initial Calibration Tolerance Models with mech.
trimmer: Models without trimmer: Operating Temperature Range: Frequency Stability vs.
Ageing: vs.
Voltage Change: vs.
Load Change: vs.
Reflow: Supply Voltage: Output Logic Levels: Rise and Fall Times: Duty Cycle: Start-up Time: Current Consumption: FREQUENCY STABILITY Output Load: Storage Temperature: EM44GT VEM44GT 32.
768kHz Standard frequency 20.
0kHz to 50.
0kHz Squarewave <1.
0ppm (at t.
25°±2°C) <2.
0ppm (at t.
25°±2°C) See table ±1.
0 ppm max.
first year ±0.
3 ppm max.
±5% change ±0.
3 ppm max.
±10% change ±1ppm max.
for one reflow (Measured after 24 hours) +3.
3 or +5.
0Volts (Specify when ordering) Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
10ns max.
50%±5% 2ms typical, 5ms max.
See table below 15pF -55~+125°C VEM44GT VOLTAGE CONTROL SPECIFICATION Control Voltage: FREQUENCY STABILITY 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 Standard = +1.
5±1.
0Volts for all input voltages.
(Contact technical sales if +2.
5±2.
0 Volts is required.
) Frequency Deviation: ±6.
0 ppm min.
Slope Polarity: Positive (increase of control voltage increases output frequency.
) Input Impedance: 10k min.
Modulation Bandwidth: 3.
0kHz min.
measured at -3dB Linearity: 10% max.
= available, x = not available, ASK = call Technical Sal...


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