MAS9279 datasheet(3/10 Pages) MAS

3 / 10 page

DA9279.003

13 July 2006

3 (10)

ELECTRICAL CHARACTERISTICS

(recommended operation conditions)

Parameter

Symbol

Min

Typ

Max

Unit

Note

Frequency Range

10.00

52.00

MHz

Voltage Control Range

Vdd

Voltage Control Sensitivity

VCSENS

7.3

10.4

ppm/V

Voltage Control Sensitivity

VCSENS

8.8

13.4

ppm/V

Voltage Control Sensitivity

VCSENS

10.1

14.5

ppm/V

Frequency vs. Supply Voltage

dfo

±0.2

ppm

Frequency vs. Load Change

dfo

±0.2

ppm

Output Voltage (10 pF, VDD 2.7 V)

Vout

2.3

Vpp

Output Voltage (10 pF, VDD 5.0 V)

Vout

4.5

Vpp

Rise and Fall Time (10 - 50 pF)

Output Symmetry

45-55

Compensation Range ± 1.0 ppm

-40

Compensation Range ± 0.75 ppm

-20

Compensation Range ± 0.3 ppm

Compensation Range Linear Part

-0.4

-0.1

ppm/K

Compensation Inflection Point

INF

Compensation Range Cubic Part

ppm

2/K3

Compensation CDAC1 (4 Bit)

CX1

-1.5

2.4

ppm

2) 7)

Compensation CDAC2 (6 Bit)

CX2

-21

ppm

2) 8)

Compensation CDAC1 (4 Bit)

CX1

-2.6

2.1

ppm

3) 7)

Compensation CDAC2 (6 Bit)

CX2

-26

ppm

3) 8)

Compensation CDAC1 (4 Bit)

CX1

-3.0

2.6

ppm

4) 7)

Compensation CDAC2 (6 Bit)

CX2

-32

ppm

4) 8)

Amplitude Start up Time

TSTART

Tri State Output Buffer

ON State

OFF State

1.6

0.55

VDD

Note 1: In TCXO leave Vc floating

Note 2: With 23 ppm/pF crystal

Note 3: With 28 ppm/pF crystal.

Note 4: With 33 ppm/pF crystal

Note 5: VDD +/- 5%

Note 6: R=10 kohm +/- 10%, C=10 pF +/- 10%

Note 7: CDAC2=6.

Note 8: CDAC1=4.

Note 9: With LIN=255 temperature compensation is

in off mode

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