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OCXO 10 MHz CMOS A 3.3 VOLT 21x13x11 mm B OCXO 10 MHz CMOS A 3.3 VOLT 21x13x11 mm B

OCXO 10 MHz CMOS A 3.3 VOLT 21x13x11 mm B

Hermetically sealed oscillator for best environmental immunity. Miniature DIP 14. Wide temperature range. Fixed frequency output.
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OCXO10.0C33A211311B

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Specification for OCXO Part # OCXO10.0C33A211311B    Download datasheet

 

1. POWER SUPPLY CHARACTERISTICS (pin 14)

Item

Parameter

Condition

Min.

Typ.

Max.

Unit

Note

1.1

Supply voltage input

 

3.135

3.3

3.465

V

 

1.2

Supply current at power on

at 25˚C

 

 

1000 /
3.5

mA /
W

 

1.3

Supply current at steady state

at 25˚C

 

 

200 /
0.7

mA /
W

In still air 5 min after power on

1.4

Supply current at steady state

at Min T

 

 

 

mA /
W

In still air 5 min after power on

1.5

Supply current at steady state

at Max T

 

 

 

mA /
W

In still air 5 min after power on

 

 

 

 

 

 

 

 

2. CONTROL VOLTAGE INPUT 

2.1

Transfer slope

 

 

Positive

 

 

 

2.2

Input impedance

 

 

 

kohm

 

2.3

Min frequency

@ Vc min

 

 

 

ppm

Vc min = 0V

2.4

Nom frequency

@ Vc nom

 

 

 

ppb

Vc nom = 2.0 V

2.5

Max frequency

@ Vc max

 

 

 

ppm

Vc max = 4.0 V

2.6

Tuning sensitivity

 

 

 

 

ppb /
mV

 

2.7

Tuning linearity

 

 

 

 

%

Deviation from a straight line fit

 

 

 

 

 

 

 

 

3. TEMPERATURE 

 

Min T

 

Max T

 

 

3.1

Temperature range

operating

-30

 

+70

 

Deg C

3.2

Temperature range

storage

-55

 

+105

 

Deg C

 




OCXO 10 MHz CMOS


10MHz OCXO 

Oven Controlled Crystal Oscillator. 
Dimensions in mm

 

4A. OUTPUT SIGNAL FOR HCMOS, LVCMOS, CMOS (pin 8)

Item

Parameter

Condition

Min.

Typ.

Max.

Unit

Note

4.1

Load

 

 

15

 

pF

 

4.2

Output Level

VOH / VOL

> 2.4

 

< 0.4

V

 

4.3

Duty Cycle

 

45

 

55

%

 

4.4

Rise / Fall time

 

 

 

< 5.0

ns

 

4B. OUTPUT SIGNAL FOR SINEWAVE (pin 4)

4.5

Output Level

Sinewave

 

 

 

dBm

Load 50 ohm

4.6

Harmonics

 

 

 

 

dBc

 

4.7

Non harmonics

 

 

 

 

dBc

 

4.8 Short term stability Frequency domain, Phase Noise L(f)

4.8.1

Phase Noise @ offset frequency

1 Hz

 

 

-70

dBc / Hz

1 h after power on and still air

4.8.2

Phase Noise @ offset frequency

10 Hz

 

 

-100

dBc / Hz

1 h after power on and still air

4.8.3

Phase Noise @ offset frequency

100 Hz

 

 

-135

dBc / Hz

1 h after power on and still air

4.8.4

Phase Noise @ offset frequency

1KHz

 

 

-140

dBc / Hz

1 h after power on and still air

4.8.5

Phase Noise @ offset frequency

10KHz

 

 

-145

dBc / Hz

1 h after power on and still air

4.8.6

Phase Noise @ offset frequency

100KHz

 

 

-150

dBc / Hz

1 h after power on and still air

4.9 Short term stability Time domain, Allan Deviation sy(t)

4.9.1

Sample time (t)

0,1s

 

 

 

 

1 h after power on and still air

4.9.2

Sample time (t)

1.0s

 


< 1.E-10

 

1 h after power on and still air

4.9.3

Sample time (t)

10s

 

 

 

 

1 h after power on and still air

4.9.4

Sample time (t)

100s

 

 

 

 

1 h after power on and still air

 

 

 

 

 

 

 

 

5. FREQUENCY CHARACTERISTICS

5.1

Stability vs temperature

Min T/ Max T

-100

 

+100

ppb p-p

External Vc connected

5.2

Calibration accuracy

at 25˚C and Vc nom

-500

 

+500

ppb

At delivery, 30 min after power ON

5.3

Frequency retrace *

15 min after Power On

 -500

 

+500 

ppb

Value 30 min after power ON compared to frequency prior to power OFF

5.4

Warm up time

at Vc Nom and 25˚C

 

 

5

min

< ±500 ppb from final freq. after PO for 1hour

5.5

Long term stability (aging)

Per day

-3

 

+3

ppb

After 30 days of continues operation At 25˚C

5.6

Long term stability (aging)

First year

-1000

 

+1000

ppb

After 30 days of continues operation At 25˚C

5.7

Long term stability (aging)

After first year

 -400

 

+400

ppb

After 30 days of continues operation At 25˚C

5.8

Start up time

At 25˚C and Vc nom

 

 

 

s

From power on to 67 % of V out

5.9

Load change

Cl ± 5%

-50

 

+50

ppb

 

5.10

Vcc change

Vcc ± 5%

-50

 

+50

ppb

 

* Retrace test precondition Power ON 24 h Power OFF 24 h and Vc nom and 25˚C.

 

6A. REFERENCE VOLTAGE 

6.1

Reference Voltage

 

 

 

 

V

 

6B. OVEN ALARM 

6.2

High level

 

 

 

 

V

Oven is ready (steady state)

6.3

Low level

 

 

 

 

V

Oven is warming up

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