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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(yè)數(shù)： | 9/10頁(yè) |
| 文件大?。?/td> | 86K |
| 代理商： | AN8808SB |
ICs for CD/CD-ROM Player
AN8808SB
OFTR Detection
OFTR detection reversely corresponds with BDO detection. However, its detection method is the same as for BDO. Capacitor
for the low speed detection must be connected to Pin15. It is recommended that it should be connected to V
CC
at 2200pF in the
same way as for Pin13. The relation between the capacity value and OFTR detection timing is as the same for BDO.
OFTR=H
Off from OFTR=L
APC
Figure 5 : APC
Reference Supply
Servo reference supply is incorporated. Pin20 outputs V
CC
/2, and has approx. 3mA of current capacity for sink/source. It is
recommended that it should be given 1
μ
F to 10
μ
F of capacity in addition.
Vibration Detection
The AN8808SB has a wind comparator of approx.
±
75mV. Abnormal vibration components of tracking error are detected and
the data for whether vibration is present or not is outputted to Pin22.
21
3
1
170mV
LD ON/OFF
P
D
2
LD
LD OFF
V
CC
The reference voltage of LD is approx. 170mV fixed.
+
–
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