VEM14GT33-32.768-2.5-30 EUROQUARTZ [EUROQUARTZ limited], VEM14GT33-32.768-2.5-30 Datasheet
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VEM14GT33-32.768-2.5-30
Manufacturer Part Number
VEM14GT33-32.768-2.5-30
Description
HCMOS 14 pin DIL, kHz Range
Manufacturer
EUROQUARTZ [EUROQUARTZ limited]
Datasheet
1.VEM14GT33-32.768-2.5-30.pdf
(1 pages)
DESCRIPTION
SPECIFICATION
FREQUENCY STABILITY
FREQUENCY STABILITY
CURRENT CONSUMPTION
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001
EURO
EM14GT series TCXOs are packaged in a miniature 6 pad ceramic
SMD package. With squarewave (CMOS) output, tolerances are
available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF
decoupling capacitor built in.
Product Series Code
Frequency Range:
Output Waveform:
Initial Calibration Tolerance
Operating Temperature Range:
Frequency Stability
Supply Voltage:
Output Logic Levels:
Rise and Fall Times:
Duty Cycle:
Start-up Time:
Current Consumption:
Output Load:
Storage Temperature:
P
Frequency
32.768kHz
50kHz
Temperature
Package 14 pin DIL
Frequency range: 20.0 to 50.0kHz; 32.768kHz
Supply voltage 3.3 or 5.0 Volts
Frequency stability from ±1ppm over -30 to +75°C
RoHS compliant
= available, x = not available, ASK = call Technical Sales
Range (°C)
Frequency Stability (ppm)
Models with mech. trimmer: <1.0ppm (at t. 25°±2°C)
Models without trimmer:
vs. Ageing:
vs. Voltage Change:
vs. Load Change:
vs. Reflow:
QUARTZ
-10 ~ +60
-20 ~ +70
-30 ~ +75
-40 ~ +85
0 ~ +50
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
TCXO:
VCTCXO:
+3.3 V
8.0mA
12mA
±0.5
ASK
x
x
x
x
±1.0
EM14GT
VEM14GT
32.768kHz Standard frequency
20.0kHz to 50.0kHz
Squarewave
<2.0ppm (at t. 25°±2°C)
See table
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1ppm max. for one reflow
(Measured after 24 hours)
+3.3 or +5.0Volts
(Specify when ordering)
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
10ns max.
50%±5%
2ms typical, 5ms max.
See table below
15pF
-55~+125°C
P
P
x
x
x
±1.5
P
P
P
x
x
±2.0
P
P
P
P
x
±2.5
P
P
P
P
PP
info@euroquartz.co.uk
PART NUMBERING PROCEDURE
VEM14GT VOLTAGE CONTROL SPECIFICATION
EM14GT - OUTLINES AND DIMENSIONS
Supply Voltage
Frequency (kHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits.
Example:
Series Description
TCXO = EM14GT
VCTCXO = VEM14GT
Control Voltage:
Frequency Deviation:
Slope Polarity:
Input Impedance:
Modulation Bandwidth: 3.0kHz min. measured at -3dB
Linearity:
HCMOS 14 pin DIL, kHz Range
33 = 3.3 VDC
5 = 5.0 VDC
EM14GT Series
EM14GT33-32.768k-2.5/-30+75
Standard = +1.5±1.0Volts for all input
voltages. (Contact technical sales if
+2.5±2.0 Volts is required.)
±6.0 ppm min.
Positive (increase of control voltage increases
output frequency.)
10k
10% max.
min.
www.euroquartz.co.uk
TCXO