HUL7203 Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Hologram Unit

Hologram Unit
HUL7203
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 = 35 MHz)
Focus error signal detection : SSD method
Tracking error signal detection
: 3 beam method
Low-power semiconductor laser included
Applications
CD-ROM drives
(supports 20- to 24-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
8.2
4.33
ø8.0*
2.55
O
Y
Reference plane
12
11
10
9
X
8
7
Reference plane
Apparent emitting point
,,,,,, _{SEC. X-O-Y}
Apparent emitting point
Reference plane
,,,,,,,,, _8.1
SEC. X-O-Y
(Note): 1.Standard corner R=0.20 max.
2.Tolerance unless otherwise specified is ±0.2
3.Thickness of plate:Ni 1µm min.+Au 0.1µm min.
4.Thickness of hologram=2.0mm, n=1.519
5.Tolerance of dimension with *(asterisk) is +0/–0.05
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
V_R(mon)
6
V
Supply voltage
V_R
6
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}
Electro-Optical Characteristics (Ta = 25˚C)
Parameter
Symbol
Conditions
min typ max Unit
Laser beam output^*1
P_O
CW
0.18 0.25 mW
Operating current
I_OP
CW V_RF = 570mV, V_CC = 5V
25
35
40
mA
Operating voltage
V_OP
CW V_RF = 570mV, V_CC = 5V
1.9 2.4
V
Oscillating wavelength
λ_L
CW V_RF = 570mV, V_CC = 5V 775 795 815
nm
Focus error signal amplitude
V_FE
CW V_RF = 570mV, V_CC = 5V
340
480
620
mV
Tracking error signal amplitude
V_TE
CW V_RF = 570mV, V_CC = 5V
190
310
430
mV
Focus error signal pull-in range
D_FE
CW V_RF = 570mV, V_CC = 5V
9
12
16
µm
Frequency characteristics (–3 dB) f_C
30
35
MHz
*1 _{Light emitting output through objective lens}
1