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