la6505 Sanyo Semiconductor Corporation, la6505 Datasheet - Page 5

• Manufacturer Part Number: la6505
• Description: For Cd-rom, Dvd-rom And Md Players Six-channel Driver
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
MUTE_LOAD
VREF_OUT
MUTE_SLD
V IN _LOAD
V IN _SPDL
V IN _SLD1
V IN _SLD2
V CC _S
V IN 1 +
V IN 2 +
VREF
V IN 1 -
V IN 2 -
OSC
V IN 1
V IN 2
W +
FG
HB
U +
V +
W -
U -
V -
-
+
-
+
-
+
-
+
(Loading)
frequency setting
sled system on/off
Mute
bias power supply
Signal system V CC
Oscillator
Hall system
(speed detection)
OSC
Muting,
FG
-
+
-
+
-
+
0.25V
0.25V
Logic
Current
limiter
Current
limiter
LA6505
Output
control
OSC
OSC
FF
FF
Current
limiter setting
0.5V
OSC
FF
-
+
Spindle and BTL
amplifier on/off
control
Signal system
ground
Saturation
detection
VS_SPD
U-OUT
V-OUT
W-OUT
RF_SPDL
FIL1
FIL2
GND_S
SS
VS_BTL
GND_BTL
GND_SLED
V O 1 -
V O 1 +
V O 2 -
V O 2 +
V O - SLD1
V O + SLD1
RF_SLD1
V O - SLD2
V O + SLD2
RF_SLD2
VLOAD -
VLOAD +
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