Preliminary

PLL501-22

27MHz Multiple Output VCXO with Audio Clock

47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991

Rev 03/02/04 Page 3

2. Crystal Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Crystal Resonator Frequency

Parallel Fundamental Mode

27

MHz

Crystal Loading Rating

At VCON = 1.65V

9.5

pF

Crystal Pullability

AT cut

250

-

Recommended ESR

AT cut

30

Ω

Note: Crystal Loading rating: 9.5pF is the loading the crystal sees from the VCXO chip at VCON = 1.65V. It is assumed that the crystal will be at

nominal frequency at this load. 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.

3. Voltage Control Crystal Oscillator

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

VCXO Stabilization Time *

From power valid

10

ms

VCXO Tuning Range

240

ppm

CLK output pullability

0V

≤ VCON ≤ 3.3V

±120

ppm

Linearity

5

10

%

VCXO Tuning Characteristic

80

ppm/V

VCON input impedance

2000

k

Ω

VCON modulation BW

0V

≤ VCON ≤ 3.3V, -3dB

25

kHz

Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits.

4. General Electrical Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Supply Current,

Dynamic (with

Loaded Outputs)

15pF Load

TBD

mA

Operating Voltage

2.97

3.30

3.63

V

Ambient Operating

Temperature

0

70

°C