DA9281.002
10 July 2006
MAS9281
This is advance information on a new
product under development. Micro Analog
Systems Oy reserves the right to make any
changes without notice.
IC FOR 10.00 – 60.00 MHz XO
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Low Cost
Divider Option up to f
o
/512
Wide Supply Voltage Range
CMOS Output
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Very High Level of Integration
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Very Low Phase Noise
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Output Three-State Function
DESCRIPTION
MAS9281 is an integrated circuit well suited to
make fundamental crystal oscillator (XO): only one
additional component, a crystal is needed.
MAS9281 includes oscillator and output buffer
circuits.
FEATURES
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Very small size
Minimum current draw
Stand-by functions: Output high impedance, but
oscillator running. Output high impedance and
oscillator stop
Wide operating temperature range
Phase noise <-130 dBc/Hz at 1 kHz offset
CMOS output
APPLICATIONS
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XO for data terminals
XO for telecommunication applications
XO for computer application
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BLOCK DIAGRAM
PD
1/2
1/2
1/2
1/2
VDD
OUT
MAS9281
X2
X'Tal
X1
VSS
1 (6)