DTCXO

Digitally Thermal Compensated Crystal Oscillator

General Specification (rev1)

June 12

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5/5

Electrical Parameters

Unit

Minimum

Typical

Maximum

Square Wave Output Version compatible CMOS

Nominal frequency range

MHz

10

60

Low output level

V

10% Vcc

High output level

V

90%Vcc

Duty cycle at Vcc/2

-

40%

60%

Rise time

ns

5

Fall time

ns

5

Phase noise in static conditions @ 10 MHz

@ 10 Hz offset

dBc/Hz

- 85

@ 100 Hz offset

dBc/Hz

- 115

@ 1 kHz offset

dBc/Hz

- 135

@ 10 kHz offset or greater

dBc/Hz

- 150

Phase noise in static conditions @ 60 MHz

@ 10 Hz offset

dBc/Hz

- 65

@ 100 Hz offset

dBc/Hz

- 95

@ 1 kHz offset

dBc/Hz

- 130

@ 10 kHz offset or greater

dBc/Hz

- 140

Free running mode (Vctrl pin NC)

Initial setting

ppm

±±±± 0.5

Stability vs. temperature

ppm

±±±± 0.2

±±±± 0.5

Stability vs. 5 % supply voltage variation

ppm

±±±± 0.05

Stability vs. 10 % load variation

ppm

±±±± 0.05

Aging over first year

ppm

±±±± 0.5

Aging over 10 year

ppm

±±±± 2

Electrical tuning (Vctrl pin)

Relative pulling frequency range

ppm

±±±± 2

Input impedance

Ω

Ω

Ω

Ω

10 k

Voltage range Option A

0

5

Voltage range Option B

0

10

Supply voltage (Vcc pin)

Voltage range option A

4.75

5.25

Voltage range option B

Vdc

11.4

12.6

Supply current option A

mA

40

Supply current option B

mA

20

Start up time

ms

10