EURO
QUARTZ
3.2 x 2.5 x 0.9mm 4 pad SMD
Ultra-miniature 4 pad SMD package
Frequency range 2.000MHz to 54.0MHz
CMOS/TTL Output
Supply Voltage 1.8, 2.8, or 3.3VDC
Integrated Phase Jitter 1ps typical
Pull range from ±80ppm to ±90ppm
DESCRIPTION
G324 VCXOs are packaged in an ultra-miniature 3.2 x 2.5 x 0.9mm 4
pad SMD package. G series VCXOs use fundamental mode crystal
oscillators. Applications include phase lock loop, SONET/ATM, set-top
boxes, MPEG , audio/video modulation, video game consoles and
HDTV.
OUTLINE & DIMENSIONS
G324 VCXO
2.0MHz ~ 54.0MHz
SPECIFICATION
Frequency Range:
2.0MHz to 54.0MHz
Supply Voltage:
+1.8, +2.8 or +3.3VDC±5%
Frequency Stability:
from ±30ppm over -10°~+70°C
Frequency Pulling Range
Supply = 1.8V, V
CON
= 0.9±0.9V: ±80ppm min.
Supply = 2.8V, V
CON
= 1.4±1.4V: ±90ppm min.
Supply = 3.3V, V
CON
= 1.65±1.65V: ±90ppm min.
Frequency Change
vs. Input Voltage:
±5ppm max. (V
DD
±5%)
Operating Temperature:
-10° to +70°C
Input Voltage:
+1.8, +2.8 or +3.3VDC±5%
Control Voltage (V
CON
)
V
DD
= 1.8V:
+0.9V
V
DD
= 2.8V:
+1.4V
DD
= 3.3V:
V
+1.65V
Absolute Max. Ratings
Supply Voltage:
-0.5V to +7.0VDC
Storage temperature:
-40° to +85°C
Input Current (no load)
V
DD
= 1.8V:
3mA max.
V
DD
= 2.8V:
5mA max.
V
DD
= 3.3V:
8mA max.
Symmetry:
40/60% at 50% V
DD
level
Rise/Fall Times
2.0 ~ 10.0MHz:
10ns max.
10.0 ~ 54MHz:
6ns max.
Logic HIGH ('1') Level:
90% V
DD
max.
Logic LOW('0') Level:
10% V
DD
min.
Load:
15pF max.
Transfer Slope:
Positive
Modulation bandwidth:
10kHz min. (-3dB)
SSB Phase Noise:
-120dBc/Hz max. at 1kHz offset
V
CON
Input Impedance:
100kΩ min.
Ageing:
±5ppm max. first year (25°C)
Reflow:
+250°C ±10°C for 10 seconds
+170 ±10°C for 1 to 2 minutes
(Preheating)
Standard Frequency:
27.0MHz
Supply Format:
8mm EIA tape, 178mm dia. reel,
1000 pieces per reel
PART NUMBERING PROCEDURE
Example:
18G324B-80-27.000
Supply Voltage
18 = +1.8V
28 = +2.8V
33 = +3.3V
Series Designator
G324
Stability over temperature range
A = ±30ppm
B = ±50ppm
Pullability in ±ppm
Operating Frequency
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
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