CRYSTAL OSCILLATORS
SME-751 SERIES ( Ceramic Package )
Applications
SONET/SDH
Fiber Channel
Wideband WLAN AP
Features
LVPECL Complementary Output
Low Phase Jitter ( 12KHz to 20MHz ) under 1 ps ( RMS )
Low profile package design (
1.4mm height max.
)
Special side-pad design for
jitter improvement option
( Patent Pending )
RoHS Compliant
Specification
MODE
FREQ. RANGE
MHz
FREQ. STABILITY*
ppm
TEMP. RANGE
OPERATING TEMP.
°
C
STORAGE TEMP.
°
C
POWER SUPPLY VOLTAGE
V DC
OUPUT VOLTAGE HIGH ( V o
H
)
V MIN.
V MAX.
OUPUT VOLTAGE LOW ( V o
L
)
OUPUT LOAD
OUTPUT SYMMETRY
%
INPUT CURRENT
40~ 100MHz
mA
101~160MHz
(Max.)
161~212.5MHz
INPUT VOLTAGE
ENABLE HIGH INPUT VOLTAGE V MIN.
ENABLE LOW INPUT VOLTAGE V MAX.
RISE / FALL TIME ( 20% / 80% )
40~ 100MHz
nS
101~160MHz
(Max.)
161~212.5MHz
AGING
ppm/Year
0 ~ + 70 - 40 ~ + 85
- 55 ~ + 125
+2.5±5%
1.475
1.095
50
45~55 %
60
65
75
1.75
0.75
1.0
0.5
0.4
±3
60
65
75
2.31
0.99
1.0
0.5
0.4
Enable / Disable Function
Parts Numbering Guide
Example: SME-125000-7BL0T0
。
C2** : By-pass capacitor for the noise suppression
( please contact AKER's engineer dept.
for the recommended capacitor value )
。
C1* : A 0.01 uF or 0.1 uF decoupling capacitor is recommended
。
*Inclusive of 25°
C±3° & Operating Temperature Range
C
Dimension (mm)
，
，
， ， ， ，
，
，
：
：
：
：
XDSL
1G/10G Ethernet
SME-751S
SME-751L
100 106.25 125 133 150 156.25 187.5 200 and 212.5
A: ± 100 B: ± 50 X: ± 30 C: ± 25
+3.3±10%
2.275
1.680
Ω
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