參數(shù)資料
型號: AN8725FH
廠商: PANASONIC CORP
元件分類: 其它接口
英文描述: Semiconductor laser power control IC
中文描述: SPECIALTY INTERFACE CIRCUIT, PQFP80
封裝: 12 X 12 MM, PLASTIC, QFP-80
文件頁數(shù): 2/36頁
文件大小: 197K
代理商: AN8725FH
AN8725FH
ICs for Optical Disk Drive
2
I
Block Diagram
3
3
5
5
3
4
5
7
7
7
7
6
6
7
7
6
6
P
C
P
B
C
R
C
B
R
B
P
R
R
1
2
2
4
4
5
6
6
7
8
P
E
E
D
R
S
56
36
53
52
34
9
50
49
48
47
46
51
75
74
39
38
15
16
9
11
12
13
Control
logic
14
8
4
5
6
40
35
54
26
27
29
32
25
22
23
24
17
18
DT0
DT1
XRD
AD0
AD1
AD2
AD3
XWR
PKMD
BIMD
RPHOLD
AGND
IGND
XLDEN
XCLR
XLDERR
XHFON
DT7
DT4
DT5
DT6
DT2
DT3
33
28
19
10
3
2
VNR
VC
CV
CC
CGND
DV
CC
IVIN
IVOUT
AAF
PWRMONI
DETMONI
IPD
XLDBI
LDBI
XLDPK
LDPK
LPF12
LPF11
LDRP
DGND
4
SW1
Playback
current
DAC7
DAC7
DAC8
DAC2
DAC3
LPF off
70
69
4
SW1
Playback
current
DAC8
I/V
conversion
Current
amplification
X1, X10
Reference
voltage source
(1.25 V)
8
SW3
SW6
X1/SX2 changeover
AAF off
AAF RST
CTL SW6
Buffer
Current
amplification
Bias
current
DAC3
4
Peak bias
current
DAC4
4
Excessive
light emission
DAC6
4
Insufficient
light emission
DAC5
8
LPF1
LPF9
AAF
Sleep circuit
Supply voltage
monitoring
Playback
current
DAC1
8
SW2
DAC56SW
Current
amplification
Peak
current
DAC2
44
43
65
LPF92
LPF91
LPF off
5
Playback
current
DAC9
Shunt circuit
SW5
Current source for DAC
WPW down
RPW over
RPW down
Sleep
WPW over
PS down
PS over
DAC1
Abnormal
light
emitting
detection
DAC9 DAC4
A
C
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