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CXA1786N Просмотр технического описания (PDF) - Sony Semiconductor
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CXA1786N
1.1GHz-band PLL IC for Mobile Communications
Sony Semiconductor
CXA1786N Datasheet PDF : 12 Pages
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Pin Description
Pin
No.
Symbol
Typical pin
voltage (DC)
1 OSCI
10 FIN
2.2V
2
9 NC
—
19
3 OSCO
High: 2.2V
Low: 2.0V
Equivalent circuit
V
CC
1
10
GND
—
V
CC
3
500
Ω
GND
4 V
P
5 V
CC
6 D
O
1
16 D
O
2
7 GND
8 LD
18
φ
P
20
φ
R
11 CK
13 DATA
14 LAT
3V
3V
—
—
High: 2.2V
Low: 0.1V
Open Low
—
—
V
p
6
16
GND
8
18
20
11
13
14
–2–
V
p
(LD is V
CC
)
GND
V
CC
GND
CXA1786N
Description
Reference frequency
signal input.
VCO signal input.
No connected.
Reference frequency
signal output.
Oscillator is formed by
connecting the crystal
resonator between this
pin and the OSCI pin; the
oscillator signal is used
as the reference
frequency signal.
Power supply for the
charge pump outputs
(Do1, Do2) and phase
comparator outputs
(
φ
R,
φ
P).
Power supply.
Charge pump 1 output.
Charge pump 2 output.
Outputs only when the
LAT pin is High; in high
impedance when the
LAT pin is Low.
Ground.
Lock detection signal
output.
Phase comparator output.
Used for the external
charge pump.
Clock input.
Data input.
Latch input.
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