ICS7151
Spread Spectrum Clock Generator
Parameter
Symbol
Conditions
No load, spread off
(ICS7151-10, -20)
Min.
Typ.
Max.
100
150
200
Units
ps
ps
ps
ms
Cycle to Cycle Jitter
t
JC
No load, spread off
(ICS7151-40)
No load, spread off
(ICS7151-50)
Power-up Time
PLL lock-time from
power-up to 1% of final
value
f
MOD
CKOUT
2
5
Modulation Frequency
33
kHz
Input Frequency (f
IN
= 1/t
IN
)
t
IN
0.8 V
DD
XIN
Output Slew Rate
2.4 V
CKOUT
t
r
SR = (2.4 - 0.4) /t
r
, SR = (2.4 - 0.4) /t
f
t
f
0.4 V
Thermal Characteristics 8 SOIC
Parameter
Thermal Resistance Junction to
Ambient
Symbol
θ
JA
θ
JA
θ
JA
θ
JC
Conditions
Still air
1 m/s air flow
3 m/s air flow
Min.
Typ.
150
140
120
40
Max. Units
°C/W
°C/W
°C/W
°C/W
Thermal Resistance Junction to Case
MDS 7151 E
Integrated Circuit Systems, Inc.
●
6
525 Race Street, San Jose, CA 95126
●
Revision 012306
tel (408) 297-1201
●
www.icst.com