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

DESCRIPTION

HTXO oscillators are designed to operate at ambient temperatures

<250°C.The rugged design consists of a high-shock crystal and a high

temperature CMOS integrated circuit packaged in a 7.5 x 5.0mm

surface-mount ceramic package.

OUTLINE & DIMENSIONS

FEATURES

Extended high temperature operation up to 250°C

3.3V or 5.0V supply voltages

Excellent stability over temperature

Fast start-up

CMOS output

Optional Enable/Disable function

Low EMI emission

250° HTXO OSCILLATOR

High Temperature Crystal Oscillator

1.5MHz to 50MHz

APPLICATIONS

Oil & gas downhole instrumentation

Rotary shaft sensors

Underground boring tools

Avionics applications

1.5MHz to 50.0MHz

Supply Voltage:

+5.0Volts ±10% or

+3.3Volts ±5%

±100ppm

Frequency Stability

+250 ppm for 25°C to 250°C

±350ppm for 25°C to 250°C

Output Load (CMOS):

15pF

Start-up Time:

5ms max.

Rise/Fall Time:

10ns max.

Duty Cycle:

40% min., 60% max.

Up to 30,000g, 0.5ms, ½ sine

20g, 10-2000Hz, swept sine

-55° up to 225°C

SPECIFICATION

PACKAGING OPTIONS

HTXO oscillators are available either tray packed (<250pcs) or tape

and reel (>250 pieces). 16mm tape, 178mm or 330mm reels per

EIA 418).

Current consumption typically 2mA at 8MHz, 3.3V, 250°C and

CLoad = 10pF

SUPPLY CURRENT

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