4

PS8794C

11/12/08

PI6C6612

3.3V Precision Audio Clock Synthesizer

Short term jitter

Reference clock off

175

ps p-p

Short term jitter

Reference clock on

175

ps p-p

Long term jitter

Reference clock off; 10

1100

ps p-p

Long term jitter

Reference clock on; 10

1100

ps p-p

Phase Noise Single sideband phase noise

33 MHz; 10Hz offset

-50

dBc

Phase Noise Single sideband phase noise

33 MHz; 100Hz offset

-75

dBc

Phase Noise Single sideband phase noise

33 MHz; 1kHz offset

-80

dBc

Phase Noise Single sideband phase noise

33 MHz; 10kHz offset

-75

dBc

FERROR

Actual mean frequency error versus

target

0

ppm

Thermal Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

θJA

Thermal Resistance Junction to

Ambient

Still air

78

°C/W

θJA

1 min m/s air flow

70

°C/W

θJA

3 min m/s air flow

68

°C/W

θJC

Thermal Resistance Junction to Case

37

°C/W

Recommended Crystal Specification

Pericom's 49SMLB27.0000 MHz parallel resonance crystal is recommended.

Recommended Crystal Specification

Parameter

Value

Units

Mode of oscillation

Fundamental AT

Frequency

27

MHz

Frequency Tolerance

±50

PPM

Temperature and aging stability

±50

PPM

C0/C1 ratio

240

Load cap

18

pF

Equivalent series resistance

30

Ω

08-0298