HUL7207 Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Hologram Unit

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 (f_C = 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
P_O
0.3
mW
Laser reverse voltage
V_R(LD)
2
V
Monitor PD reverse voltage V_R(mon)
6
V
Supply voltage
V_CC
6
V
Operating supply voltage range V_CC +3.0 to +5.5 V
Reference voltage
V_C +1.3 to V_CC –1.3 V
Operating ambient temperature T_opr – 10 to +60 ˚C
Storage temperature
T_stg – 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
P_O
V_RF = 570mV, V_CC = 5V
0.18 0.25 mW
Operating current
I_OP
CW V_RF = 570mV, V_CC = 5V
25
35
45
mA
Operating voltage
V_OP
CW V_RF = 570mV, V_CC = 5V
1.9 2.4
V
Oscillating wavelength
λ_L
V_RF = 570mV, V_CC = 5V
775 795 815 nm
Focus error signal amplitude
V_FE
V_RF = 570mV, V_CC = 5V
340 480 620 mV
Tracking error signal amplitude
V_TE
V_RF = 570mV, V_CC = 5V
220 340 460 mV
Focus error signal pull-in range
D_FE
V_RF = 570mV, V_CC = 5V
9
12
16
µm
Frequency characteristics
f_C
40
50
MHz
*1 _{Light emitting output through objective lens}
1