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