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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

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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

Phase Noise (typical figures)

Frequency

13.0MHz

Frequency offset from

carrier: 10Hz

–95 dBc/Hz

Frequency offset from

carrier: 100Hz

–120 dBc/Hz

Frequency offset from

carrier: 1kHz

–135 dBc/Hz

Frequency offset from

carrier: 10kHz

–140 dBc/Hz

Frequency offset from

carrier: 100kHz

–145 dBc/Hz

Electrical Specification - limiting values

Frequency Range

1.0MHz to 50.0MHz

8.0MHz to 50.0MHz

1.0MHz to 80.0MHz

8.0MHz to 50.0MHz

Supply Voltage

3.3V ±10%

5.0V ±10%

3.3V ±10%

5.0V ±10%

3.3V ±10%

5.0V ±10%

3.3V ±10%

5.0V ±10%

Output Voltage

HCMOS 15pF

Sine 10kW//10pF

ACMOS 15pF

Clipped Sine

10kW//10pF

Clipped Sine

10kW//10pF

Output Levels

VoH > 90% Vs

VoL < 10% Vs

VoH > 90% Vs

VoL < 10% Vs

<20.0MHz: > 1.0Vpp

>20.0MHz: > 0.5Vpp

<20.0MHz: > 1.0Vpp

>20.0MHz: > 0.5Vpp

VoH > 90% Vs

VoL < 10% Vs

VoH > 90% Vs

VoL < 10% Vs

Vpk-pk > 0.8V

3ns

2ns

–

Rise Time (tr)

8ns

7ns

–

3ns

2ns

Fall Time (tf)

8ns

7ns

Duty Cycle

45/55%

–

45/55%

–

Model Number

CFPT-9058

CFPT-9051

CFPT-9059

CFPT-9053

CFPT-9060

CFPT-9055

CFPT-9061

CFPT-9057

Frequency Stability Available over Operating Temperature Ranges

Operating

Temperature Ranges

0 to 50°C

TCXOs

Frequency Stabilities v Operating Temperature Range

±0.3ppm

Code AP

Code AC

Code AS*

–

±0.5ppm

Code EP

Code EC

Code ES

Code EU

Code EX*

–

±1.0ppm

Code FP

Code FC

Code FS

Code FU

Code FX

Code FY*

±1.5ppm

Code CP

Code CC

Code CS

Code CU

Code CX

Code CY

±2.0ppm

Code GP

Code GC

Code GS

Code GU

Code GX

Code GY

±2.5ppm

Code HP

Code HC

Code HS

Code HU

Code HX

Code HY

0 to 70°C

–20 to 70°C

–30 to 75°C

–40 to 85°C

–55 to 105°C

Ordering Example

Frequency

Model Number

Frequency Stability vs Operating Temperature Code

Reference Voltage Code

Frequency Adjustment Code

(For reference voltage and frequency adjustment codes see main text)

Note: *Codes may not be available for all frequencies

10.0MHz CFPT-9051 CS 1 A

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

Outline (mm)

14.7 max

6.2 max

0.70

2.54

0.75

1.3

2.54

1 2 3

9.2 max

Pad Connections

1 Voltage Control

(optional-if not used

do not connect)

2 Tri-state control

3 GND

4 Output

5 Vref(optional-HCMOS/ACMOS

only, if not used do not connect)

6 +Vs

8.64

1.50

6 5 4

1.0

5.08

1.27

2.54

Output Waveform

90%Vs

50%Vs

10%Vs

Duty cycle = t x 100(%)

TCXOs

Test Circuit

Tri-state

control

50k

Ω

V Control

100nF

Output

C Load

V Supply

*Inclusive of jig and probe capacitance**DC cut capacitor

required for AC coupled clipped sinewave

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