VEM22S Datasheet, PDF (1/2 Pages) EUROQUARTZ limited – 2.5 x 2.0 x 0.8mm Clipped Sinewave Output

EURO QUARTZ
VEM22S VCTCXO
2.5 x 2.0 x 0.8mm Clipped Sinewave Output
13MHz to 52MHz
Ultra-miniature SMD package 2.5 x 2.0 x 0.8mm
Stability from ±0.5ppm over -20° to +70°C
Supply Voltage 1.8V, 2.5V or 2.8Volts
Miniature, lightweight and compact
Ideal for portable devices such as GPS and handsets
SPECIFICATION
Page 1 of 2
Product Series
M22S
(Refer to EM22S if voltage control function is not required.)
Output Wave Form:
Clipped Sine Wave
Supply Voltage
1.8V±5%
(1.71V ~ 1.89V)
2.5V±5%
(2.37V ~ 2.62V)
3.0V±5%
(2.85V ~ 3.15V)
Frequency Range:
13.0MHz to 52.0MHz
Initial Calibration Tolerance:
±2ppm maximum, +25°C, 1 hour after reflow
Frequency Stability
From ±0.5ppm to ±2.5ppm over operating temperature range.
Referenced to frequency reading at 25°C.
vs Temperature: See table below for availability
vs Ageing: ±1.0ppm maximum, first year at 25°C
vs Voltage Change: ±0.2ppm maximum for a ±5% voltage change
vs Load Change: ±0.2ppm maximum for a ±10% load change
vs Reflow: ±1.0ppm maximum for 1 reflow and measured after 24 hours
Output Voltage Level (Peak to
peak):
0.8V p-p min., 2.0V p-p max. Load 10kΩ//10pF ±10%
Output Format:
DC coupled. See below for output waveform. Requires an external
AC-Coupling capacitor at pin 3, 1000pF recommended.
Current Consumption:
fo <26MHz: 2mA max.
fo >26MHz: 2.5mA max.
Control Voltage (V^CON): ^{0.9V (centre) ±0.6V}
1.4V (Centre) ±1.0V
Frequency Deviation
Range (Pullability):
±5ppm mimimum
Linearity:
±10% maximum
Slope Polarity:
Positive Slope (A positive voltage change increases frequency)
Input Impedance:
500kΩ minimum
Startup Time:
Packaging:
2ms max. (to reach 90% amplitude and at 25°C±2°C)
8.0mm tape; 4.0mm pitch; 180mm reel;
1000 pieces (code P1) or 3000 pieces (code P3) per reel.
Cut tape for <1k pieces.
AVAILABLE FREQUENCY STABILITY
vs OPERATING TEMPERATURE RANGE
Frequency Stability (ppm)
±0.5
±1.0
±1.5
±2.0
0 ~ +50
P
P
P
P
-10 ~ +60
P
P
P
P
Temperature
Range (°C)
-20 ~ +70
P
P
P
P
-30 ~ +75
ASK
P
P
P
-40 ~ +85
ASK
ASK
P
P
P = available, STD = standard, ASK = call Technical Sales
±2.5
P
P
P
STD
P
OUTPUT WAVEFORM
Waveform at Pin 3 - Clipped Sine Wave
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: [phone] Fax: [phone] [e-mail] www.euroquartz.co.uk