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| LC786821E Datasheet, PDF (30/35 Pages) ON Semiconductor – Compressed Audio Signal Processor IC | |||
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Oscillator
Example circuit for Oscillator
LC786821E
LC786821E
XVDD
XIN
Rd1
XOUT
XVSS
C1
C1
ï XIN/XOUT: 12.0000MHz
ï For System Main clock and USB control
ï Recommended Oscillator
Nihon Dempa Kogyo Co., Ltd.
Type
NX3225GA
Frequency
12MHz
Recommended constants
Rd1=1kâ¦, C1=12pF
<Notes>
ï Because the characteristics of oscillator could be changed according to the circuit board, ask evaluation with the
individual original circuit board to the oscillator maker.
ï The precision of oscillator used in XIN/ XOUT should meet the USB standard.
ï If oscillation clock is disturbed by noise or by the other factors, it may lead to operation failure. Hence, make
sure to connect resistor and capacitor for oscillation circuit as close as XIN/ XOUT and the wire should be as
short as possible. Also needs to select parts with caution so as to obtain stable external constant value within the
guaranteed operating temperature range because the variation of external constant due to temperature change
could affect the oscillation precision
ï About internal circuit for XIN/XOUT, refer to the "Analog Pin Internal Equivalent Circuits" section
www.onsemi.com
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