20.0MHZCFPT-37 datasheet, PDF - EEWORLD Datasheet

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20.0MHZCFPT-37: DescriptionTCXO, CLOCK, 20 MHz, HCMOS OUTPUT, ROHS COMPLIANT, SMD, 8 PIN; CategoryPassive components oscillator; File Size43KB，2 Pages; ManufacturerIQD Frequency Products; Environmental Compliance

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20.0MHZCFPT-37 Overview

TCXO, CLOCK, 20 MHz, HCMOS OUTPUT, ROHS COMPLIANT, SMD, 8 PIN

20.0MHZCFPT-37 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	ROHS COMPLIANT, SMD, 8 PIN
Reach Compliance Code	compli
Other features	TAPE AND REEL
Ageing	1 PPM/FIRST YEAR
maximum descent time	8 ns
Frequency Adjustment - Mechanical	NO
frequency stability	0.9%
Installation features	SURFACE MOUNT
Nominal operating frequency	20 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
Oscillator type	HCMOS
Output load	15 pF
physical size	7.0mm x 5.0mm x 2.0mm
longest rise time	8 ns
Maximum supply voltage	3.6 V
Minimum supply voltage	3 V
Nominal supply voltage	3.3 V
surface mount	YES
maximum symmetry	45/55 %
Base Number Matches	1

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CFPT-37

ISSUE 3 ; 20 DECEMBER 2005

Delivery Options

■

Please contact our sales office for details

Package Outline

7.0 x 5.0 x 2.0mm SMD

Environmental Specification

■

Storage Temperature Range -55 to 125°C

Vibration: IEC 60068-2-6 Test Fc Procedure B4, 10-60Hz

1.5mm displacement, at 98.1m/s2, 30 minutes in each

of three mutually perpendicular axes at 1 octave per

minute

Shock: IEC 60068-2-27 Test Ea, 980m/s2 acceleration for

6ms duration, 3 shocks in each direction along three

mutually perpendicular axes

Solderability: MIL-STD-202, Method 208, Category 3

RoHS: Parts are fully compliant with the European

Union directive 2002/95/EC on the restriction of the use

of certain hazardous substances in electrical and

electronic equipment.

Note: The RoHS compliant parts are suitable for

assembly using both Lead-free solders and Tin / Lead

solders.

■

Description

■

CFPT-37 is a fixed frequency, surface mount, temperature

compensated crystal oscillator providing a high degree of

frequency stability over a wide temperature range

Supply Voltage

■

3.3V ± 0.3V

Frequency Stability

Temperature ±0.9ppm

■

Supply Voltage Variation ±0.3ppm *

■

Load Variation ±0.2ppm

■

After Reflow ±1.0ppm

■

Calibration Tolerance @ 25°C ±1.0ppm

* Supply Voltage Variation :

>30.0MHz to <40.0MHz, ±0.4ppm

>40.0MHz, ±0.5ppm

■

Manufacturing Information

■

SURFACE MOUNT

TCXOs

Operating Temperature Range

■

-20 to 70°C

Supply Current

■

3mA @ 20MHz typical

Output Compatibility

■

HCMOS

■

Load: 15pF nom.

■

VoL: <10% Vs

■

VoH: >90% Vs

■

Duty Cycle: 45/55%

■

Rise Time: 8ns

■

Fall Time: 8ns

Ageing

■

±1ppm / year typical in 1st year @ 25°C

Standard Frequencies

■

10, 12.8, 13.0, 14.4, 16.32,16.384, 19.44, 20.0, 26.0,

32.768, 40.0MHz

Other frequencies may be available, please contact our sales

office

Marking

■

CMAC and Batch Code

■

37 + Frequency Code + Date Code

Minimum Ordering Information Required

■

Frequency + Model Number (example 10.0MHz CFPT-37)

■

Soldering: SMD product suitable for Convection Reflow

soldering. Peak temperature 260°C. Maximum time above

220°C, 60s

Washing: Able to withstand aqueous washing process.

Packaging: Tape and reel, details available on request.

■

Outline in mm

7.0±0.15

0.6

2.0

Pad Connections

1.N/C

2.GND

3.Output

4.+Vs

T1, T2, T3, T4 N/C

5.08

0.79

1.04

0.9

1.4

Solder pad layout

5.08

2.0

1.2

1.5

Europe Tel: +44 (0)1460 270200

Americas Tel: +1 919 941 9333

Asia

Tel: +86 755 8826 5991

Fax: +44 (0)1460 72578

Fax: +1 919 941 9371

Fax: +86 755 8826 5990

4.20

Website: www.cmac.com

5.0±0.15

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