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UPD2845GR Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD2845GR Datasheet PDF : 16 Pages
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PPD2845GR
APPLICATION CIRCUIT EXAMPLES
Passive filter application example (using internal charge pump)
VDD1
1µF
VDD2
VCO out 100 pF
1µF
VCO
1 000 pF
VDD1
FIN
GND
XI
X’tal
XO
LE
10 pF
12.8 MHz
10 pF
controller
FR
CLK
RESET
DATA
EO
PS
passive filter
EOP
NC
EON
VDD2
µPD2845GR
100 pF
VDD1
VDD2
X’tal
: 1.0 to 1.1 V
: 2.85 to 3.15 V
: 12.8 MHz
Active filter application example (using external charge pump)
FIN (2 pin)
VCO
LPF
PMOS
NMOS
EO
EOP
EON
7

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