PLL500-17B/27B/37B

Low Power CMOS Output VCXO Family (17MHz to 130MHz)

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 12/21/05 Page 4

5. DC Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

2.8

4

4.2

6

Supply Current, Dynamic,

with Loaded Outputs

7.2

9

mA

PLL500-17B

30

pF

PLL500-27B

20

pF

PLL500-37B Std drive up to

100MHz

15

pF

Allowable output load

capacitance

(Output)

PLL500-37B High drive

10

pF

Operating Voltage

2.25

3.63

V

Output High Voltage

2.4

V

Output Low Voltage

0.4

V

Output High Voltage at

CMOS level

V

Standard drive at TTL level

8

9.5

Output drive current

High drive at TTL level

24

27

mA

Short Circuit Current

±50

mA

VCXO Control Voltage

VCON

0

V

6. Crystal Specifications

PARAMETERS

SYMBOL

MIN.

TYP.

MAX.

UNITS

Crystal Loading Rating (VCON = 1.65V)

8.5

pF

Maximum Sustainable Drive Level

200

µW

Operating Drive Level

50

µW

Max C0 for PLL500-17B

5

Max C0 for PLL500-27B

3.5

Max C0 for PLL500-37B

2.5

pF

C0/C1

250

-

ESR

30

Ω

Note: The crystal must be such that it oscillates (parallel resonant) at nominal frequency when presented a C Load as specified above.

If the crystal requires more load to be at nominal frequency, the additional load must be added externally.

This however may reduce the pull range.