CXA3218N Datasheet, PDF (5/16 Pages) Sony Corporation – FM Demodulator for BS/CS

CXA3218N
Pin
Typical pin
Symbol
No.
voltage
Equivalent circuit
Description
16 VCODR2
17 VCODR1
2.0 V
to
3.0 V
VCC
50 50
16
17
10k 10k
PLL detection output.
GND
18 OSCGND
19 OSCB1
0V
1.4 V
Ground.
VCC
20 OSCE1
21 OSCE2
22 OSCB2
0.7 V
0.7 V
1.4 V
22
21
3k
250 250
19
20
3k 20k
VCO resonance circuit connect
terminals.
OSCGND
23
LPFN
24
LPFP
4.5 V
VCC
260
260
23
24
PLL loop filter connect terminals.
GND
2.9 V
25 AGCLPF
to
30k
3.0 V
VCC
25
150
AGC detection block filter.
Connect to GND with a 0.01 µF
capacitor.
GND
26 AGCCNT
1.5 V
to
3.5 V
VCC
150
26
45k
GND
AGC detection block gain adjustment.
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