データシート検索エンジンとフリーデータシート
部品番号
コンポーネント説明
CXA1821 データシートの表示(PDF) - Sony Semiconductor
部品番号
コンポーネント説明
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CXA1821
RF Amplifier for CD Players
Sony Semiconductor
CXA1821 Datasheet PDF : 13 Pages
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CXA1821M
Pin No. Symbol I/O
8
F
I
9
E
I
10
EI
—
11
EO
—
18 LC/PD
I
12
VC
O
Equivalent circuit
Description
V
CC
V
CC
V
CC
V
CC
Input pin of tracking
12p
147
8
260k
820k
96.3k
V
CC
V
CC
error amplifier for
Pins 8 and 9. An
external resistor for
12p
147
11
V-I conversion
should be connected
96.3k
because these pins
23.8k
are for current input.
18
8µ
V
EE
VC
820k
147
9
8µ
V
EE
VC
8µ 300µ
Gain adjustment of
input signal from Pin
9 for Pins 10 and 11.
Pin 18 is a bias for
260k
LC when connected
10
to V
CC
and for PD IC
when left open.
V
CC
V
CC
200µ
120
147
12
120
15k
16k
V
EE
V
CC
DC voltage output
pin of (V
CC
+ V
EE
)/2.
Connect to GND
when dual power
supply (±2.5V) is
used; connect a
smoothing capacitor
when single power
supply (+5V) is used.
13
TE
O
147
13
123k
400µ
V
EE
V
CC
10p
V
EE
Output pin of
tracking error
amplifier. The F-E
signal is output.
15
FE
O
147
15
25p
174k
400µ
V
EE
–3–
10p
V
EE
Output pin of focus
error amplifier.
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