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參數(shù)資料
| 型號： | HUH7288 |
| 英文描述： | 光デバイス － ホログラムユニット |
| 中文描述： | 光デバイス-ホログラムユニット |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 71K |
| 代理商： | HUH7288 |
Hologram Unit
HUH7279
Hologram unit for CD-R/RW drivers
1
Publication date: October 2001
SHH00005CED
For optical information processing
(Recordable
×
12 speed
+
readable
×
32
speed)
I
Features
Thin smaller package size is achieved through
micro-mirror integration
Focus error signal detection: SSD method
Tracking error signal detection: 3-beam method
Fast response (f
C
=
65 MHz typ.)
Able to read and write CD-R/RW disks
Low-power semiconductor laser included
Built-in I-V conversion amp.
I
Applications
CD-R/RW drives (write/read)
I
Absolute Maximum Rating
Unit: mm
Note)*1: Measured without HOE.
*2: Relation between P
O
and T
opr
is defined in figure 2. Absolute
maximum ratings of the P
O
under the pulse operation (pulse width
=
0.5
μ
s, duty 50%, without bias current) is P
O
=
110 mW, T
opr
=
60
°
C.
*3: Operating ambient temperature is defined under the condition of
R
th
≤
150
°
C/W. (R
th
: Thermal resistence of the LDHU which is set
into the pickup)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
3
±
0
R plane
(
0
5
±
0
+
0.15
0.2
Molding gate size of HOE
2.0 max.
3
±
0
0
2.0 max.
0.0 min.
0.0 min.
1.35
±
0.2
3
°
3.1
±
0.1
(1.7)
(
12.2
±
0.3
0
±
0
L
1
±
0
0
±
0
a
P
±
0
(
3
±
0
(
0
Hall make for No.1 pin on reverse side
φ
8.5
+
0
0.05
PKG center
emitting point
0
1
±
0
3
°
(1.39)
(0.71)
0
±
0
2
±
0
T
eApparent
5.48
±
0.2
(2.0)
Note) 1. Standard corner R
=
0.20 max.
2. Thickness of plate: Ni 0.5
μ
m min.
+
Pd 0.02
μ
m min.
3. Optical pass of HOE: Thickness
=
2.5 mm, n
=
1.519
4. Apparent emitting point in figure is designed without
consideration of optical pass in HOE.
Parameter
Symbol
Rating
Unit
Laser beam output
*1, 2
P
O
65 (CW), 110 (pulse)
mW
Laser reverse voltage
V
R(LD)
V
CC
1.5
V
Supply voltage
6
V
Operating supply voltage range
V
CC
V
C
T
opr
+
3.0 to
+
5.5
+
1.5 to
+
2.1
10 to
+
65
40 to
+
85
V
Reference voltage
V
Operating ambient temperature
*2, 3
°
C
°
C
Storage temperature
T
stg
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