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EQ3225 Schematic ( PDF Datasheet ) - EUROQUARTZ limited

Teilenummer EQ3225
Beschreibung 3.2 x 2.5mm SMD TCXO
Hersteller EUROQUARTZ limited
Logo EUROQUARTZ limited Logo 




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EQ3225 Datasheet, Funktion
EURO QUARTZ
3.2 x 2.5mm SMD TCXO
Ultra-miniature 3.2 x 2.5 x 1.0mm SMD package
Frequency range: 9.6MHz to 30.0MHz
Available with either CMOS or clipped sinewave output
May be ordered as TCXO or Voltage-Controlled TCXO
Supply voltage 3.3 Volts
DESCRIPTION
EQ3225 TCXOs are packaged in an ultra-miniature 4 pad ceramic,
3.2 x 2.5mm outline SMD package. The part is available as a TCXO
or as a voltage-controlled TCXO (VCTCXO). Output may be specified
as either clipped sinewave or CMOS. The part has excellent phase
nose characteristics and provides a stable source of clock signals over
a wide operating temperature range.
EQ3225 TCXO
9.6MHz to 30.0MHz
EQ3225 - OUTLINES AND DIMENSIONS
SPECIFICATION
Product Code:
EQ3225
Frequency Range:
9.6MHz to 30.0MHz
Frequency Stability
vs. Temperature Range:
±2.0 or ±2.5ppm
vs. Supply Voltage (±5%): ±0.3ppm maximum
vs. Load Change (±5%): ±0.2ppm maximum
vs. Ageing (at 25°C):
±1.0ppm maximum
Intitial Frequency Tolerance:
±1.5ppm maximum
Operating Temperature Range:
-30° to +80°C
Storage Temperature Range:
-40° to +90°C
Supply Voltage:
+2.4V min., +3.6V max.
Current Consumption
CMOS:
6.0mA maximum
Clipped Sinewave: 2.0mA maximum
Output Voltage Level
CMOS:
80% Vdd minimum
Clipped Sinewave:
0.8V p-p minimum
Output Load
CMOS:
1kΩ//15pF
Clipped Sinewave:
10kΩ//10pF
Dynamic Behaviour
-20° to +80°C:
±0.30ppm/°C
-30° to -20°C:
±1.0ppm/°C
Start-up Time:
3.0ms max. to 90% Vdd
Duty Cycle:
60/40%
Harmonics:
-9dBc maximum
SSB PHASE NOISE at 25°C
Offset
EQ3225 (dBc/Hz)
10Hz
-86
100Hz
-115
1kHz
-138
10kHz
-146
EQ3225 VOLTAGE CONTROL SPECIFICATION
Control Voltage:
Nominal 50% Vdd (0V min, Vdd max.)
Frequency Deviation: ±5.0ppm min., ±15ppm max.
PART NUMBERS
Example: EQ3225-S-V10-20.000-2.5/-30+80
Explanation: EQ3225 - S - V10 - 20.000 - 2.5/-30+80
Series Description
EQ3225
Output Type
T = HCMOS
S = Clipped Sinewave
VCTCXO
(V10 = VCTCXO ±10ppm
pullability.) Blank for TCXO
Nominal Frequency (MHz)
Stability over Temperature
±ppm
Operating Temperature Range
Lower and upper limits °C
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk
http://www.Datasheet4U.com





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