M63010FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M63010FP Datasheet PDF : 16 Pages
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Preliminary
MITSUBISHI SEMICONDUCTORS
M63010FP
SPINDLE MOTOR AND 4CH ACTUATOR DRIVER
FOCUS / TRACKING channel
The focus and tracking channel is the voltage control drive using BTL .
The focus and tracking is the same composition.
The relationship between the differential voltage between FOIN and REF and the output voltage
is shown in below Figure.
The voltage gain [Gvo] is 5.0 [V/V].
The maximum range of output swing is limited around 7.5 volts,in case of VM4 is above 10 volts.
FOIN
R
REF
R
VM4
R
R
2.5R
FO-
R
2.5R
Coil
R
FO+
FO-
VM4
2
Coil
FO+
Output
FO+
voltage [V]
+
Coil
-
Vo
FOIN– REF (V)
Gvo = 5 [v/v]
Vo=[FO+]–[FO-]
=5X (FOIN–REF)
FO-
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REV990118
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