Hologram Unit
HUL7207
Hologram Unit
0.4±0.1
(0.3)
Smaller package size achieved through
micro-mirror integration
(4.8
×
8.2
×
4.3 mm)
Fast response (f
C
= 50 MHz)
Focus error signal detection : SSD method
Tracking error signal detection
: 3-beam method
Low-power semiconductor laser included
O
Y
Reference plane
(0.2)
(0.5)
3.0±0.2
Reference plane
Apparent emitting point
Apparent emitting point
Reference plane
Position of
reference plane
SEC. X-O-Y
2˚
2.55±0.2
0.25±0.05
Lead frame
SEC. X-O-Y
Applications
CD-ROM drives
(supports 40 time speed CD-ROM drives)
Absolute Maximum Ratings
(Ta = 25˚C)
Parameter
Laser beam output
*1
Laser reverse voltage
Monitor PD reverse voltage
Supply voltage
Operating supply voltage range
Reference voltage
Operating ambient temperature
Storage temperature
*1
Symbol
P
O
V
R(LD)
V
R(mon)
V
CC
V
CC
V
C
T
opr
T
stg
Ratings
0.3
2
6
6
+3.0 to +5.5
+1.3 to V
CC
–1.3
– 10 to +60
– 40 to +85
Unit
mW
V
V
V
V
V
˚C
˚C
Light emitting output through objective lens
Unit Characteristic Specifications
(Tc = 25±3˚C)
Parameter
Laser beam output
*1
Operating current
Operating voltage
Oscillating wavelength
Focus error signal amplitude
Tracking error signal amplitude
Focus error signal pull-in range
Frequency characteristics
*1
Light
Symbol
P
O
I
OP
V
OP
λ
L
V
FE
V
TE
D
FE
f
C
Conditions
V
RF
= 570mV, V
CC
= 5V
CW V
RF
= 570mV, V
CC
= 5V
CW V
RF
= 570mV, V
CC
= 5V
V
RF
= 570mV, V
CC
= 5V
V
RF
= 570mV, V
CC
= 5V
V
RF
= 570mV, V
CC
= 5V
V
RF
= 570mV, V
CC
= 5V
,,
,, ,
,,,,
7˚
8.1±0.2
(Note): 1.Standard corner R=0.20 max.
2.Thickness of plate:Ni 1µm min.+Au 0.1µm min.
3.Thickness of hologram=2.0mm, n=1.519
min
25
775
340
220
9
40
0.50
0.78±0.2
1.33±0.2
typ
0.18
35
1.9
795
480
340
12
50
max
0.25
45
2.4
815
620
460
16
4.7±0.1
Features
1
2
3
4
5
6
4.8±0.1
0.8×5=4.0
2˚
emitting output through objective lens
,,
,, ,
,
7˚
12
11
10 X
9
8
7
(0.35)
For optical information processing
Index mark for No.1
pin on reverse side
11.2±0.2
8.2±0.2
ø8.0
+0
–0.05
(1.8)
Unit : mm
4.33±0.2
2.55±0.2
3˚
Gate the rest
,
,,,
,,
,
Unit
mW
mA
V
nm
mV
mV
µm
MHz
1
GD32 MCU
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