HUL7202 Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Hologram Unit

Hologram Unit
HUL7202
Hologram Unit
For optical information processing
Features
Smaller package size achieved through
micro-mirror integration
(4.8 × 8.2 × 4.3 mm)
Built-in I-V conversion amp
Focus error signal detection : SSD method
Tracking error signal detection
: 3 beam method
Low-power semiconductor laser included
Applications
Car CD
1
2
3
4
5
6
(0.2)
(0.5)
Index mark for No.1
pin on reverse side
11.2±0.2
8.2±0.2
ø8.0
+0
–0.05
O
Y
Reference plane
12
11
10
9
X
8
7
Reference plane
Apparent emitting point
Unit : mm
4.33±0.4
2.55±0.2
,,,,,, _{SEC. X-O-Y}
Apparent emitting point
4.4±0.2
Reference plane
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
V_R(mon)
6
V
Supply voltage
V_R
6
V
Operating ambient temperature T_opr – 10 to +70 ˚C
Storage temperature
T_stg – 40 to +85 ˚C
*1 _{Equivalent to optical output of 5 mW at laser edge}
Electro-Optical Characteristics (Ta = 25˚C)
Parameter
Symbol
Conditions
min typ max Unit
Laser beam output
P_O
CW
0.18 0.25 mW
Operating current
I_OP
CW V_RF = 420mV, V_CC = 5V
23
35
40
mA
Operating voltage
V_OP
CW V_RF = 420mV, V_CC = 5V
1.9 2.4
V
Oscillating wavelength
λ_L
CW V_RF = 420mV, V_CC = 5V 785 800 815
nm
Focus error signal amplitude
V_FE
CW V_RF = 420mV, V_CC = 5V
180
300
420
mV
Tracking error signal amplitude
V_TE
CW V_RF = 420mV, V_CC = 5V
170
280
390
mV
Focus error signal pull-in range
D_FE
CW V_RF = 420mV, V_CC = 5V
9
12
16
µm
Frequency characteristics (–3 dB) f_C
6
9
MHz
1