EM44T3-12.80-2.0/-30+75 datasheet, PDF

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EM44T3-12.80-2.0/-30+75: DescriptionHCMOS Output Clock Oscillator, 12.8MHz Nom, SMD, 4 PIN; CategoryPassive components oscillator; File Size172KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

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EM44T3-12.80-2.0/-30+75 Overview

HCMOS Output Clock Oscillator, 12.8MHz Nom, SMD, 4 PIN

EM44T3-12.80-2.0/-30+75 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Objectid	1872683746
Reach Compliance Code	compliant
Ageing	1 PPM/FIRST YEAR
maximum descent time	10 ns
Frequency Adjustment - Mechanical	YES
frequency stability	2%
Installation features	SURFACE MOUNT
Nominal operating frequency	12.8 MHz
Maximum operating temperature	75 °C
Minimum operating temperature	-30 °C
Oscillator type	HCMOS
Output load	15 pF
physical size	11.4mm x 9.6mm x 4.7mm
longest rise time	10 ns
Nominal supply voltage	3 V
surface mount	YES
maximum symmetry	60/40 %

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EURO

QUARTZ

SMD package 11.4 x 9.6 x 4.7mm

Wide frequency range: 1.6MHz to 156MHz

Close tolerance stabilities from ±0.5ppm over 0° to +50°C

±1ppm over -40 to +85°C available

Supply voltage 2.8 Volts to 5.0 Volts

EM44T Series TCXO

HCMOS 11.4 x 9.6 x 4.7mm SMD

EM44T - OUTLINES AND DIMENSIONS

DESCRIPTION

EM44T series TCXOs are packaged in the industry-standard 11.4 x 9.6

x 4.7mm package. Close tolerances are available from ±0.5ppm over

0° to 50°C or ±1ppm over -40° to +85°C. Supply voltage may be

specified over the range 2.8 to 5.0 Volts.

SPECIFICATION

Product Series Code:

Frequency Range:

Output Waveform:

Mechanical Frequency Tuning:

Standard Frequencies:

EM44T

1.6MHz to 156.0MHz

Square wave HCMOS

±3ppm (external

trimmer)

9.6, 10.0, 12.80, 13.0, 14.40,

15.36, 16.384, 19.200,

19.44 and 19.68MHz.

(Partial

list)

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)

+2.8 VDC (Code ‘28’)

+3.0 VDC (Code ‘3’)

+3.3 VDC (Code ‘33’)

+5.0 VDC (Code ‘5’)

80% Vdd min.

10% Vdd max.

10ns max. (20%~80%)

50%±10% (at 50%Vdd)

10ms max.

30mA max. (Freq. dependent)

15pF

See table

AC block, DC coupled

-50° to +100°C

Operating Temperature Range:

Frequency Stability

vs. Ageing:

vs. Voltage Change:

vs. Load Change:

vs. Reflow:

Supply Voltage:

Output Voltage Levels

Logic ‘1’ HIGH:

Logic ‘0’ LOW:

Rise & Fall Times:

Duty Cycle (Symmetry):

Start-up Time:

Current Consumption:

Output Load:

SSB Phase Noise:

Output Format:

Storage Temperature:

FREQUENCY STABILITY

Frequency Stability (ppm)

0 ~ +50

-10 ~ +60

Temperature

Range (°C)

-20 ~ +70

-30 ~ +75

-40 ~ +85

ASK

±0.5

EM44T - TEST CIRCUIT

±1.0

±1.5

±2.0

±2.5

EM44T - PART NUMBERING PROCEDURE

Example:

= available, x = not available, ASK = call Technical Sales

= standard specification

PHASE NOISE (Example: EM44T at 100.0MHz)

Offset

(Hz)

SSB Phase Noise

at 25°C

EM44T

100MHz

(dBc/Hz)

100

10k

100k

EM44T3-19.44-2.5/-30+75

-72

-110

-125

-132

-125

Series Description

Supply Voltage

28 = 2.8 VDC

3 = 3.0 VDC

33 = 3.3 VDC

5 = 5.0 VDC

Frequency

Stability over OTR (ppm)

Operating Temperature Range (OTR) (°C)

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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