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EM44T5-32.768K-1.5/-30+75

Description
CMOS Output Clock Oscillator
CategoryPassive components    oscillator   
File Size132KB,1 Pages
ManufacturerEuroquartz
Websitehttp://www.euroquartz.co.uk/
Download Datasheet Parametric View All

EM44T5-32.768K-1.5/-30+75 Overview

CMOS Output Clock Oscillator

EM44T5-32.768K-1.5/-30+75 Parametric

Parameter NameAttribute value
Objectid2057585250
Reach Compliance Codeunknown
Oscillator typeCMOS

EM44T5-32.768K-1.5/-30+75 Preview

EURO
QUARTZ
CMOS 4 pad SMD, kHz Range
Miniature 11.4 x 9.6 x 3.0mm SMD package
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
EM44T TCXO
20.0kHz to 52.7kHz
EM44T - OUTLINES AND DIMENSIONS
DESCRIPTION
EM44T series TCXOs are packaged in a miniature 4 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.
SPECIFICATION
Product Series Code
TCXO:
VCTCXO:
Frequency Range:
Output Waveform:
Initial Calibration Tolerance
Models with mech. trimmer:
Models without trimmer:
Operating Temperature Range:
Frequency Stability
vs. Ageing:
vs. Voltage Change:
vs. Load Change:
vs. Reflow:
Supply Voltage:
Output Logic Levels:
Rise and Fall Times:
Duty Cycle:
Start-up Time:
Current Consumption:
FREQUENCY STABILITY
Output Load:
Storage Temperature:
EM44T
VEM44T
32.768kHz Standard frequency
20.0kHz to 50.0kHz
Squarewave
<1.0ppm (at t. 25°±2°C)
<2.0ppm (at t. 25°±2°C)
±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
(
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
10ns max.
50%±5%
2ms typical, 5ms max.
15pF
-55~+125°C
VEM44T VOLTAGE CONTROL SPECIFICATION
Control Voltage:
Standard = +1.5±1.0Volts for all input
voltages.
±6.0 ppm min.
Positive
FREQUENCY STABILITY
Frequency Stability (ppm)
0 ~ +50
-10 ~ +60
Temperature
Range (°C)
-20 ~ +70
-30 ~ +75
-40 ~ +85
P
±0.5
ASK
x
x
x
x
±1.0
P
P
x
x
x
±1.5
P
P
P
x
x
±2.0
P
P
P
P
x
±2.5
P
P
P
PP
P
Frequency Deviation:
Slope Polarity:
Input Impedance:
10k min.
Modulation Bandwidth: 3.0kHz min. measured at -3dB
Linearity:
10% max.
= available, x = not available, ASK = call Technical Sales
PART NUMBERING PROCEDURE
Example:
CURRENT CONSUMPTION
Frequency
32.768kHz
50kHz
+3.3 V
8.0mA
12mA
EM44T33-32.768k-2.5/-30+75
Series Description
TCXO = EM44T
VCTCXO = VEM44T
Supply Voltage
33 = 3.3 VDC
5 = 5.0 VDC
Frequency (kHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits.
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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