sm840001 Micrel Semiconductor, sm840001 Datasheet - Page 4

• Manufacturer Part Number: sm840001
• Description: 106.25mhz Ultra-low Jitter Clock Synthesizer
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
AC Electrical Characteristics
V
3.3V Carrier Frequency, 106.25MHz
Crystal Characteristics
March 2010
Symbol
F
t
t
ODC
Parameter
Mode of Oscillation
Frequency
Equivalent Series Resistance (ESR)
Shunt Capacitor
Drive Level
DD
JITTER
R
Offset from Carrier
OUT
/ t
= 2.5V and 3.3V ±5%; T
F
100kHz
10MHz
40MHz
100Hz
10kHz
1MHz
1kHz
Parameter
Output Frequency
RMS Phase Jitter
Output Rise/Fall Time
Output Duty Cycle
Measured Phase Noise
A
= -40°C to +75°C, unless noted.
-122
-131
-144
-163
-165
-126
-97
Condition
FSEL=1
FSEL=0
106.25MHz,
Integration Range: 637kHz to 10MHz
212.50MHz
Integration Range: 2.55MHz to 20MHz
20% to 80%
106.25MHz
212.50MHz
Condition
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Unit
4
3.3V Carrier Frequency, 212.5MHz
Offset from Carrier
100kHz
10MHz
40MHz
100Hz
10kHz
1MHz
1kHz
Min
Fundamental Parallel Resonant
26.5625
Typ
186.66
[e-mail]
93.33
Min
100
48
45
Measured Phase Noise
106.25
Max
212.5
50
Typ
510
320
7
1
-116
-124
-120
-138
-161
-163
-92
or [phone]
226.66
113.33
Units
MHz
M9999-031810-B
mW
Max
350
pF
Ω
52
55
SM840001
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Unit
Units
MHz
MHz
ps
%
%
fs
fs