CX2V Datasheet, PDF (1/2 Pages) EUROQUARTZ limited – Miniature Crystal for Pierce Oscillators

EURO QUARTZ
Miniature Crystal for Pierce Oscillators
CX-2V CRYSTAL
16kHz to 600kHz
FEATURES
Frequency Range 16kHz to 600kHz
High shock resistance
Low ageing
Designed for low power applications
Full MIL testing available
DESCRIPTION
CX-2V crystals are high quality tuning fork crystals intended for use in
Pierce (single inverter) oscillator circuits. The crystal is hermetically
sealed and rugged.
SPECIFICATION
Specifications stated are typical at 25°C unless otherwise indicated.
Specifications may change without notice.
Frequency Range:
16.0kHz to 600.0kHz
Functional Mode:
Tuning Fork (Flexure)
Standard Calibration Tolerance*: A, B or C
Motional Resistance (R¹):
Figure 1
Max = 16~24.9kHz, 2x typical
25~600kHz, 2.5x typical
Motional Capacitance (C¹):
Figure 2
Quality Factor (Q):
Figure 3
Min. is 0.25x typical
Shunt Capacitance (C⁰):
2.0pF max.
Drive Level
16~24.9kHz: 0.5µW max.
25~600.0kHz: 1.0µW max.
Turning Point (T⁰)**:
Figure 4
Temperature Coefficient (k):
-0.035ppm/°C²
Ageing, first year:
5ppm max.
Shock, survival***:
1,500g, 0.3ms, ½ sine
Vibration, survival***:
10g rms, 20~2000Hz
Operating Temperature Range
Commercial: -10° to +70°C
Industrial:
-40° to +85°C
Military:
-55 to +125°C
Storage Temperature Range:
-55° to +125°C
Maximum Process Temperature: See package handling note
* Tighter frequency calibration is available.
** Other turning point is available
*** Higher shock and vibration survival is available
OUTLINE & DIMENSIONS
PACKAGING
CX-2V leaded crystals are supplied in tray pack (Standard)
STANDARD CALIBRATION TOLERANCE
Frequency Range (kHz)
HOW TO ORDER CX-2V CRYSTALS
16 ~74.9 75~169.9 170~249.9 250~600
A
0.003%
0.005%
0.01%
0.02%
B
0.01%
0.01%
0.02%
0.05%
C
0.1%
0.1%
0.2%
0.5%
CX-2V - S - 02 - 32.768kHz, A / I
'S' if special,
custom design.
Otherwise leave
blank
Leads
02
03
04
Frequency
K = kHz
Calibration
Tolerance
@25°C
A
B
C
Temp. Range
C = -10° ~ +70°C
I = -40° ~ +85°C
M = -55° ~ +125°C
S = Customer specified
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: [phone] Fax: [phone] [e-mail] www.euroquartz.co.uk