38.88MHZCFPT-9051ES4C datasheet, PDF

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38.88MHZCFPT-9051ES4C: DescriptionTCVCXO, CLOCK, 38.88 MHz, HCMOS OUTPUT, ROHS COMPLIANT, SMD, 6 PIN; CategoryPassive components oscillator; File Size473KB，3 Pages; ManufacturerIQD Frequency Products; Environmental Compliance

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38.88MHZCFPT-9051ES4C Overview

TCVCXO, CLOCK, 38.88 MHz, HCMOS OUTPUT, ROHS COMPLIANT, SMD, 6 PIN

38.88MHZCFPT-9051ES4C Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	IQD Frequency Products
Reach Compliance Code	compliant
Other features	TRI-STATE; ENABLE/DISABLE FUNCTION; TAPE AND REEL; BULK
Ageing	1 PPM/FIRST YEAR
Maximum control voltage	4.2 V
Minimum control voltage
maximum descent time	7 ns
Frequency Adjustment - Mechanical	NO
Frequency offset/pull rate	50 ppm
frequency stability	0.5%
Installation features	SURFACE MOUNT
Nominal operating frequency	38.88 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
Oscillator type	HCMOS
Output load	15 pF
physical size	14.7mm x 9.2mm x 6.2mm
longest rise time	7 ns
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
maximum symmetry	45/55 %
Base Number Matches	1

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CFPT-9050 SMD TCVCXO

iSSUE 8; 1 NOVEMBER 2008 - RoHS 2002/95/EC

Supply Current

▪

Description

0.3ppm TCXO manufactured for us by Rakon utilising their

Pluto™ ASIC technology. Its wide frequency range, operating

temperature range and drive capability coupled with high

stability and linear frequency pulling make it the ideal

reference oscillator. Its ability to function down to a supply

voltage of 2.4V and low power consumption makes it suitable

for mobile applications

14.7 x 9.2mm

9.6, 10, 12.8, 19.44, 20, 38.88, 49.152, 51.84MHz

HCMOS 15pF max

ACMOS 50pF max

Sinewave 10k

// 10pF, AC-coupled

Clipped sinewave 10k

// 10pF, AC-coupled

Temperature: see table

Typical Supply Voltage Variation ± 10% < ± 0.2 ppm*

Typical Load Coefficient 15pF ± 5pF < ± 0.2 ppm*

*Depending on frequency and output type

▪

HCMOS Typically:

1+ Frequency(MHz)*Supply(V)*{Load(pF)+ 15}*10

–3

eg. 20MHz, 5V, 15pF ≈ 4mA

ACMOS Typically:

1+ Frequency(MHz)*Supply(V)*{Load(pF)+ 23}*10

–3

Sinewave, 6 to 12 mA depending on frequency

Clipped Sinewave, Typically:

1+ Frequency(MHz)*1.2*{Load(pF)+ 30}*10

–3

± 1ppm maximum in first year

± 3ppm maximum for 10 years

± 1ppm maximum after reflow

Optional reference voltage output on Pad 5, suitable for

potentiometer supply or DAC reference.

1. No output (Standard option)

2. 2.2V, for Min. Vs > 2.4V

3. 2.7V, for Min. Vs > 3.0V

4. 4.2V, for Min. Vs > 4.5V

Maximum load current (mA) = Vref/10

Package Outline

▪

Ageing

Standard Frequencies

Output Compatibility & Load

Reference Voltage, Vref (HCMOS/ACMOS only)

Frequency Stability

Frequency Adjustment

Three options with external Voltage Control applied to Pad 1:

For manual frequency adjustment (HCMOS/ACMOS output

only) connect an external 50kW potentiometer between Pad 5

(Reference Voltage) and Pad 3 (GND) with wiper connected to

Pad 1 (Voltage Control). Please specify reference voltage as a

part of the ordering code.

TCXOs

▪

A - Ageing adjustment: > ± 5ppm (Standard Option)

B - No frequency adjustment. Initial calibration @ 25°C

< ± 0.5 ppm

C - High Pulling ±10ppm to ±50ppm may be available

depending on specification options. Contact our sales office

Linearity <1% (positive slope)

Input resistance >100k

Modulation bandwidth >2kHz

Standard control voltage ranges:

Without reference voltage - Vs = 5.0V 2.5V ± 2V

Without reference voltage - Vs = 3.3V 1.65V ± 1V

With reference voltage - Vc = 0V to Vref

–55 to 125°C

Logic ‘1’ (>60%Vs) to Pad 2 enables output

Logic ‘0’ (<20%Vs) to Pad 2 disables output

When at logic ‘0’ the output stage is disabled for all output

options, but the oscillator and compensation circuit are still

active (Current consumption < 1mA)

Standard 3.3V, 5.0V (see table)

Supply voltages in the range 2.4 to 6.0V available to order,

please contact our sales office

Note: Please contact our sales office if a reference voltage is

required in combination with sine or clipped sinewave output

Environmental

▪

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

1.5mm displacement, 60 –2000Hz at 98.1 ms

–2

, 30 minutes

in each of three mutually perpendicular planes at 1 octave

per minute

Shock: IEC 60068-2-27 Test Ea, 980ms

–2

acceleration for

6ms duration, 3 shocks in each direction along three mutually

perpendicular planes

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

Factory Code + Part Number (E and four digits) + Frequency

(MHz) + Pad 1 / Static sensitivity identifier (Triangle) + Date

code

Bulk or Tape & Reel

Frequency + Model Number + Frequency Stability vs

Operating Temperature Range Code + Reference Voltage

Code + Frequency Adjustment Code

Marking includes

Storage Temperature Range

▪

Tri-State Operation

Packaging

Minimum Order information Required

Supply Voltage

IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom

Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;

Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com

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