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參數(shù)資料
| 型號(hào)： | AN8808SB |
| 廠商： | PANASONIC CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Three-Beam Method Head Amplifier IC for CD supporting the hologram pick-up |
| 中文描述： | 1 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封裝： | 0.450 INCH, PLASTIC, SSOP-36 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 86K |
| 代理商： | AN8808SB |
ICs for CD/CD-ROM Player
AN8808SB
7
6
35
106k
10k
12k
10k
106k
A
B
D
C
36
R
RF
–
+
–
+
–
+
35
106k
106k
A
B
D
C
27
28
29
20k
B + D
VCBA
A + C
R
FE
V
C
Subtraction
36
–
+
–
+
–
+
–
+
Figure 1 : RF Amplifier
Figure 2 : Focus Error Amplifier
As shown in Figure 1, RF signals are generated by three-beam method pick-up. Equivalent resistance to RFOUT (Pin7) is
127k
, when resistance between RF– and RFOUT is 12k
.
As shown in Figure 2, the operation result of (A + C) – (B + D) is outputted to FEOUT (Pin27). Equivalent resistance to
FEOUT is 212k
, when resistance between FE and FEOUT is 20k
.
Light level
Dark level
R
RF(T)
=106k
×
R
RF
10k
I
Operational Description
(The values shown below are design values when supply voltageV
CC
=5V.)
RF Amplifier
Focus Error Amplifier
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