EURO
QUARTZ
2.5 x 2.0 x 0.8mm Clipped Sinewave Output
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
Product Series
Output Wave Form:
Supply Voltage
Frequency Range:
Initial Calibration Tolerance:
Frequency Stability
vs Temperature:
vs Ageing:
vs Voltage Change:
vs Load Change:
vs Reflow:
Output Voltage Level (Peak to
peak):
Output Format:
1.8V±5%
(1.71V ~ 1.89V)
M22S
(Refer to EM22S if voltage control function is not required.)
Clipped Sine Wave
2.5V±5%
(2.37V ~ 2.62V)
13.0MHz to 52.0MHz
±2ppm maximum, +25°C, 1 hour after reflow
From ±0.5ppm to ±2.5ppm over operating temperature range.
Referenced to frequency reading at 25°C.
See table below for availability
±1.0ppm maximum, first year at 25°C
±0.2ppm maximum for a ±5% voltage change
±0.2ppm maximum for a ±10% load change
±1.0ppm maximum for 1 reflow and measured after 24 hours
0.8V p-p min., 2.0V p-p max. Load 10kΩ//10pF
±10%
3.0V±5%
(2.85V ~ 3.15V)
VEM22S VCTCXO
13MHz to 52MHz
Page 1 of 2
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.
1.4V (Centre) ±1.0V
Control Voltage (V
CON
):
0.9V (centre) ±0.6V
VCTCXO
only
Pin 1
Frequency Deviation
Range (Pullability):
Linearity:
Slope Polarity:
Input Impedance:
±5ppm mimimum
±10% maximum
Positive Slope (A positive voltage change increases frequency)
500kΩ minimum
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.
Startup Time:
Packaging:
AVAILABLE FREQUENCY STABILITY
vs OPERATING TEMPERATURE RANGE
Frequency Stability (ppm)
0 ~ +50
-10 ~ +60
Temperature
Range (°C)
-20 ~ +70
-30 ~ +75
-40 ~ +85
P
±0.5
P
P
P
ASK
ASK
±1.0
P
P
P
P
ASK
±1.5
P
P
P
P
P
±2.0
P
P
P
P
P
±2.5
P
P
P
STD
P
OUTPUT WAVEFORM
Waveform at Pin 3 - Clipped Sine Wave
= available, STD = standard, ASK = call Technical Sales
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
EURO
QUARTZ
2.5 x 2.0 x 0.8mm Clipped Sinewave Output
ENVIRONMENTAL PERFORMANCE SPECIFICATION
Environmental Approvals:
RoHS Compliant, Pb (lead) free,
Free of Cadmium, Hexavalent Chromium, Lead,
Mercury, PBBs and PBDEs
MSL = 1 per IPC/JEDEC J-STD-020D.1
85% RH, 85°C, 48 hours
MIL-STD-883, method 1014, condition A
MIL-STD-883, method 1014, condition C
MIL-STD-202F, method 208E
MIL-STD-883, method 2007, condition A, 10~2000Hz,
1.52mm 20g, each axis for 4 hours
MIL-STD-883, method 2002, condition B, 1500g, 1/2
sine, 0.5ms, each axis 3 times
MIL-STD-202, method 215
MIL-STD-202, method 210
MIL-STD-883, method 1010
MIL-STD-883F, method 1011.9, Condition B
-55~+125°C, 10 min soak time, 200 cycles
JESD22-A110
-55° ~ +125°C
1.5kV min., human body model.
Gold (Au) (0.3~1.0µm) over nickel (Ni) (1.27~8.89µm)
e4
0.12gm
VEM22S VCTCXO
13MHz to 52MHz
Page 2 of 2
Moisture Sensitivity Test:
Humidity:
Hermeticity, Fine Leak:
Hermeticity, Gross Leak:
Solderability:
Vibration:
Mechanical Shock:
Resistance to Solvent:
Resistance to Soldering Heat:
Temperature Cycling:
Thermal Shock:
H.A.S.T. (Highly Accelerated Stress Test):
Storage Temperature Range:
ESD Protection:
Solder Pad Surface Finish:
Second Level Interconnect Category:
Unit Weight:
VEM22S - OUTLINES AND DIMENSIONS
PART NUMBERING PROCEDURE
Example:
VEM22S 25 - 19.200 - 2.5/-30+85
Series Description
VCTCXO = VEM22S
Supply Voltage
18 = 1.8 VDC
25 = 2.5 VDC
3 = 3.0 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
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
嵌入式系统
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