CXA3067AM Ver la hoja de datos (PDF) - Sony Semiconductor
Número de pieza
componentes Descripción
Fabricante
CXA3067AM Datasheet PDF : 24 Pages
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CXA3067AM
Pin
Typical
Symbol
No.
voltage (V)
22 IFGND
0
23 RFGND
0
24 RFIN
1.5
27
25 RFEM
0.7
24
27 MIXIN
5.0
26 RFVCC
5.0
0.7
28 REFSW
(OPEN)
28
2.5
29 FSET3
29
(OPEN)
2.5
30 FSET2
30
(OPEN)
Equivalent circuit
Description
GND for limiter, detector,
data shaper circuit.
GND for RFamp, Mixer,
oscillator circuit.
5k
100
RFamp input.
26
RFVCC
MIX Gain adjustment.
Normally, by-pass capacitor is
25
connected at pin 25 to GND.
23
RFGND RFamp output and mixer input.
11 DVCC
9 DGND
Power supply for RFamp, mixer,
oscillator circuit.
Reference frequency selection.
Decoupling capacitor is
connected at pin 28 to GND
when reference frequency is
7.15909 MHz or 14.31818 MHz
and pin 28 is connected to GND
directly when reference
frequency is 7.15625 MHz or
14.3125 MHz.
11 DVCC The pin of channel selection.
20k
The condition of pin 29 has
3 states.
Connect to 5 V source for “Hi”
20k
selection and connect to GND for
9 DGND “Low” selection and leave open.
20k
20k
—6—
11 DVCC
9 DGND
The pin of channel selection.
The condition of pin 30 has
3 states.
Connect to 5 V source for “Hi”
selection and connect to GND for
“Low” selection and leave open.
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