EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk

Low Power - Low Frequency SMD Oscillator

LSM series oscillators are precision surface mount oscillators with a

frequency range from 700kHz to 2.1MHz. The part comprises of a

hermetically sealed crystal with a hybrid circuit sealed in a ceramic

package with a Kovar lid. Full MIL testing is available.

Low current consumption, low frequency from 700kHz

Low profile, miniature SMD package

Full military testing available

Testing to MIL-PRF-55310 available

LSM Series Oscillators

Frequency Range:

700kHz to 2.1MHz

2.0MHz standard****

Supply Voltage*:

3.3 or 5.0 Volts ±10%

Calibration Tolerance**

Code A:

±0.01% (±100ppm)

Code B:

±0.03%

Code C:

±0.1%

Frequency Stability***

0° to +70°C:

-0.12% typical

-0.017% maximum

Voltage Coefficient:

±5ppm/V maximum

Ageing:

±10ppm/year maximum

Shock:

750g, 0.3ms, ½ sine, ±3ppm max.

Vibration:

10g rms, 10-2000Hz, ±3ppm max.

Frequency Change

vs. 10% Output Load Change: ±1ppm maximum

Operating Temperature:

-10° to +70°C Commercial

-40° to +85°C Industrial

-55° to +125°C Military

Output Voltage (5.0V supply)

HIGH:

4.8V minimum, 4.95V typical

LOW:

0.2V maximum, 0.05V typical

Rise/Fall Times:

12ns typical

Symmetry:

40/60% maximum, 45/55% typical

Supply Current

5.0V supply: 400 mA max., 300 mA typical

3.3V supply: 300 mA max., 200 mA typical

Packaging:

Tray pack (standard)

16mm tape, 17.8cm or 33cm reels

Start-up Time:

20ms typical

OUTLINE & DIMENSIONS

Example:

2.0000MHz

LSMA050UMA

PART NUMBERING

Frequency

Series Designation LSM

Calibration Tolerance (see table above)

Stability*

100 = ±100ppm

50 = ±50ppm

25 = ±25ppm

Output Universal (CMOS)

Operating Temp. Range

C = Commercial

I = Industrial

M = Military

Supply Voltage**

Blank = 5.0 Volts

A = 3.3 Volts

*

For other stability requirements enter figure required.

**

For other supply voltage enter required voltage.

DESCRIPTION

SPECIFICATION

Notes:

*

Contact factory for lower supply voltages

**

Tighter tolerances available

***

Does not include calibration tolerance. Positive variations

are much smaller.

****

Contact factory for other frequencies