CRYSTAL OSCILLATORS
SME-752 SERIES ( Ceramic Package )
Application of SMD PECL：
SONET/SDH
Fiber Channel
Wideband WLAN AP
XDSL
1G/10G Ethernet
Feature
LVPECL Complementary output
Low phase jitter ( 12KHz to 20MHz ) under 4 ps ( RMS )
Low profile package design (
1.9mm height max.
)
Special side-pad design for
jitter improvement option
( patent applying )
RoHS compliance
Specification
MODE
FREQ. RANGE
FREQ. STABILITY*
TEMP. RANGE
OPERATING TEMP.
STORAGE TEMP.
POWER SUPPLY VOLTAGE
OUPUT VOLTAGE HIGH ( V o
H
)
OUPUT VOLTAGE LOW ( V o
L
)
OUPUT LOAD
OUTPUT SYMMETRY
INPUT CURRENT
160~800MHz
INPUT VOLTAGE
ENABLE HIGH INPUT VOLTAGE
ENABLE LOW INPUT VOLTAGE
RISE / FALL TIME ( 20% / 80% )
160~ 800MHz
AGING
MHz
ppm
°C
°C
V DC
V (Min)
V (Max)
Ω
%
mA(Max)
V (Min)
V (Max)
nS(Max)
ppm/Year
100
1.75
0.75
1
±3
SME-752S
SME-752L
187.5，200，212.5，250，312.5，320，350，622.08
A: ± 100 B: ± 50 X: ± 30 C: ± 25
0 ~ + 70，- 40 ~ + 85
- 55 ~ + 125
+2.5±5%
1.475
1.095
50
45~55 %
110
2.31
0.99
+3.3±10%
2.275
1.680
*Inclusive of 25°C±3°C & Operating Temperature Range
。
Enable / Disable Function
Dimension (mm)
C1* : A 0.01 uF or 0.1 uF decoupling capacitor is recommended
。
C2** : By-pass capacitor for the noise suppression
。
( please contact AKER's engineer dept.
for the recommended capacitor value )
Parts Numbering Guide
Example: SME-125000-7BL0T0
嵌入式系统
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