MAX9450 Maxim, MAX9450 Datasheet - Page 5

• Manufacturer Part Number: MAX9450
• Description: The MAX9450/MAX9451/MAX9452 clock generators provide high-precision clocks for timing in SONET/SDH systems or Gigabit Ethernet systems
• Manufacturer: Maxim

(V
DD
-20
-40
80
72
64
56
48
40
40
20
0
= V
-40
2.4
DDA
V
DD
OUTPUT FREQUENCY CHANGE
2.6
T
-15
vs. VOLTAGE (MAX9450)
A
AND V
= V
= -40°C
vs. TEMPERATURE
TEMPERATURE (°C)
DDQ
2.8
DDA
VOLTAGE (V)
10
_______________________________________________________________________________________
= 3.3V. T
SUPPLY CURRENT
3.0
T
A
= +25°C
35
T
A
= +85°C
3.2
A
60
= +25°C, unless otherwise noted.)
3.4
3.6
85
High-Precision Clock Generators
-100
-120
-140
-160
80
72
64
56
48
40
-20
-40
-60
-80
0
2.4
1k
INPUT REFERENCE = 38.88 MHz
OUTPUT CLOCK = 155.52 MHz
T
A
2.6
= -40°C
vs. VOLTAGE (MAX9450)
10k
V
DDQ
vs. FREQUENCY
2.8
PHASE NOISE
FREQUENCY (Hz)
SUPPLY CURRENT
VOLTAGE (V)
100k
T
3.0
A
T
A
= +25°C
= +85°C
Typical Operating Characteristics
with Integrated VCXO
1M
3.2
3.4
MAX9450 toc05
10M
3.6
153.13mV/div
100mV/div
10
8
6
4
2
0
-40
INPUT REFERENCE = 19.44MHz
OUTPUT CLOCK = 155.52 MHz
OUTPUT CLOCK SYNCHRONIZED
-15
TO INPUT REFERENCE
OUTPUT RMS JITTER
vs. TEMPERATURE
TEMPERATURE (°C)
10
10ns/div
35
60
MAX9450 toc06
85
5