ICS487-25

QUAD PLL FOR DTV

CLOCK SYNTHESIZER

IDT™ / ICS™ QUAD PLL FOR DTV

5

ICS487-25

REV B 092109

AC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature 0 to +70

° C

Note 1: Measured with a 15 pF load.

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency

fIN

27

MHz

Output Rise Time

tOR

20% to 80%, Note 1

1.2

ns

Output Fall Time

tOF

80% to 20%, Note 1

1.0

ns

Output Clock Duty Cycle

at VDD/2, Note 1

45

50

55

%

Absolute Clock Period Jitter

Note 1

±175

ps

Frequency Synthesis Error

All outputs

0

ppm

Output Enable Time

tOE

PDTS high to output

locked to ±1%

250

µs

Output Disable Time

tOD

PDTS low to tri-state

20

ns

Audio Clock Stabilization Time

Time from a change

in S1 or S0 until

output stable within

±1%

50

µs

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

θJA

Still air

78

° C/W

θJA

1 m/s air flow

70

° C/W

θJA

3 m/s air flow

68

° C/W

Thermal Resistance Junction to Case

θJC

37

° C/W