(No.22041)1-41
4.2
AN4801SB-W (IC801) : MD/CD driver
• Pin Layout
• Pin function
• Block Diagram
26
21
20
14
1
6
7
13
Pin
No.
Function
Pin
No.
Function
1 Driver 2 input
15 Driver 3 forward output
2 Power Cut input
(channel 2 mute)
16 Driver 4 inverted output
3 Driver 1 input
17 Driver 4 forward output
4 Power Cut input
(channel 1 mute)
18 Power supply 2 for driver
5 Reset output
19 Ground 2 for driver
6 N. C.
20 Standby input
7 N. C.
21 N. C.
8 Ground 1 for driver
22 N. C.
9 Power supply 1 for driver
23 Power supply
10 Driver 1 inverted output
24 VREF input
11 Driver 1 forward output
25 Driver 4 input
12 Driver 2 inverted output
26 Driver 3 input
13 Driver 2 forward output
fin Ground
14 Driver 3 inverted output
+ -
- +
- +
+ -
- +
+ -
- +
+ -
- +
PVCC/2
PVCC1 PGND1
PVCC/2
L :All mute
H:Active
L :Active
H:Power Cut
L :Active
H:Power Cut
Standby
SVCC
RESET
out
SGND
PGND2 PVCC2
Focus
Tracking
Spindle
Traverse
M
8
9
11
10
13
12
15
14
17
16
18
19
20
5
FIN
23
25
26
2
1
3
4
24
VREF
M
VO4-
VO4+ VO3-
VO3+ VO2-
VO2+ VO1-
VO1+
SVCC
IN4
IN3
IN2
IN1
PC2
PC1
Direction
Detector
- +
Direction
Detector
- +
Direction
Detector
- +
Direction
Detector
Standy
Band-gap
VCC/VREF
Reset Circuit
Содержание HX-Z9V
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