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

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 3.0Volts

Miniature, lightweight and compact

Ideal for portable devices such as GPS and handsets

EM22S TCXO

13MHz to 52MHz

Product Series

M22S

(Refer to VEM22S if voltage control function is 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:

12.0MHz 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:

vs Ageing:

vs Voltage Change:

vs Load Change:

vs Reflow:

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

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.

Startup Time:

2ms max. (to reach 90% amplitude and at 25°C±2°C)

Packaging:

8.0mm tape; 4.0mm pitch; 180mm reel;

1000 pieces (code P1) or 3000 pieces (code P3) per reel.

Cut tape for <1k pieces.

SPECIFICATION

EM22S - OUTLINES AND DIMENSIONS

Frequency Stability (ppm)

±0.5

±1.0

±1.5

±2.0

±2.5

Temperature

Range (°C)

0 ~ +50

P

P

P

P

P

-10 ~ +60

P

P

P

P

P

-20 ~ +70

P

P

P

P

P

-30 ~ +75

ASK

P

P

P

STD

-40 ~ +85

ASK

ASK

P

P

P

P

= available, STD = standard, ASK = call Technical Sales

AVAILABLE FREQUENCY STABILITY

vs OPERATING TEMPERATURE RANGE

OUTPUT WAVEFORM

Waveform at Pin 3 - Clipped Sine Wave

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