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參數(shù)資料
| 型號(hào)： | AN8807 |
| 廠商： | Panasonic Corporation |
| 英文描述： | Three-Beam Method Head Amplifier IC for CD-ROM |
| 中文描述： | 三梁法頭放大器集成電路的CD - ROM |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 90K |
| 代理商： | AN8807 |
ICs for CD/CD-ROM Player
AN8807SB
BDO Detection
BDO is detected by the low speed detection circuit and high speed detection circuit. The high speed detection circuit is
incorporated. On the other hand, the capacitor of the low speed detection circuit must be connected to Pin13. The capacity value
is 2200pF and it is recommended that it should be connected for V
CC
. When the capacity value of Pin13 is increased, BDO is
detected with large RF missing rate. When it is decreased, BDO can be detected with small RF missing rate.
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.
BDO present=H
BDO absent=L
OFTR=H
Off from OFTR=L
21
3
1
LD ON/OFF
P
D
2
LD
LD OFF
V
CC
10
170mV
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.
The reference voltage of LD is approx. 170mV fixed.
Vibration Detection
The AN8807SB has a wind comparator of approx.
±
75 mV. Abnormal vibration components of tracking error are detected and
the data for whether vibration is present or not is outputted to Pin22.
10
μ
F
+
–
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AN8807SB | Three-Beam Method Head Amplifier IC for CD-ROM |
| AN8808SB | Three-Beam Method Head Amplifier IC for CD supporting the hologram pick-up |
| AN8812 | 4 CH LINEAR DRIVER IC FOR CD/CD-ROM |
| AN8812SC | 4 CH LINEAR DRIVER IC FOR CD/CD-ROM |
| AN8812SCR | 4 CH LINEAR DRIVER IC FOR CD/CD-ROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AN8807SB | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Three-Beam Method Head Amplifier IC for CD-ROM |
| AN8808SB | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Three-Beam Method Head Amplifier IC for CD supporting the hologram pick-up |
| AN8812 | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:4 CH LINEAR DRIVER IC FOR CD/CD-ROM |
| AN8812K | 制造商:Panasonic Industrial Company 功能描述:IC |
| AN8812NK | 制造商:Panasonic Industrial Company 功能描述:IC |
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