P1P8160A Datasheet, PDF (4/6 Pages) ON Semiconductor – Low Jitter Clock Generator

P1P8160A
Table 6. AC ELECTRICAL CHARACTERISTICS
(V_DD = 3.3 V ± 10%, Ambient Temperature Range: −10°C to +85°C unless otherwise specified)
Symbol
Parameter
Min
f_IN
f_OUT
Input Clock frequency (Tolerance: ±10ppm)
ModOUT Clock frequency (SS1% & SS2% = 0) (Tolerance: ±30ppm)
RefOUT Clock frequency (Tolerance: ±30ppm)
t_LH, t_HL
(Note 2)
RefOUT Rise and Fall time
(Measured between 20% to 80%)
C_L = 5 pF
C_L = 15 pF
t_LH, t_HL
(Note 2)
ModOUT Rise and Fall time
(Measured between 20% to 80%)
C_L = 5 pF
C_L = 15 pF
T_DCOUT
Output Clock Duty Cycle
45
(Notes 1, 2)
T_JC
(Notes 1, 2)
Cycle−Cycle Jitter (For ModOUT, RefOUT)
T_JL
(Notes 1, 2)
Long Term Jitter (10k cycles)
27 MHz, RefOUT
100 MHz ModOUT (SSOFF)
t_ON
(Notes 1, 2)
Power Up Time
(Stable power supply, valid input clock to valid Clock on ModOUT).
t_SS%
(Notes 1, 2)
Spread Percentage Setting Time
(Time from SS1%/SS2% change to stable ModOUT with change in spread %)
MF
Modulation Frequency
31
(Notes 1, 2)
FMTSR
(Notes 1, 2)
Frequency Modulation Type and Slew Rate (Triangular Modulation Profile)
1. Parameters are specified with 15 pF loaded outputs.
2. Parameter is guaranteed by design and characterization. Not 100% tested in production
Typ
Max
Unit
27
MHz
100
MHz
27
0.75
1.5
ns
1.25
2.0
0.75
1.0
ns
1.25 1.75
50
55
%
125
200
ps
150
300
350
600
5
ms
1
ms
32
33
kHz
0.125 %/ms
R
Crystal
Rx
C_L
C_L
Figure 2. Typical Crystal Interface Circuit
C_L = 2 * (C_P – C_S),
Where C_P = Load capacitance of crystal specified in a Crystal Datasheet
C_S = Stray capacitance due to C_IN, PCB, Trace etc.
C_L = Load capacitance to be used
Rx is used to reduce power dissipation in the Crystal
http://onsemi.com
4