61
GH5C105D3A/GH5C105D3B
Hologram Lasers
Notice
In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet
Internet address for Electronic Components Group http://www.sharp.co.jp/ecg/
Z
X
Y
Z
Y
X
Y
X
Z
8.2
+0
-0.030
8.2
+0
-0.030
7.5MAX.
6.63
0.1
4.8
+0
-0.1
4.65MAX.
3.97
0.1
0.4
0.05
48
+0
-
0.1
4.6
0.5
4.77
0.12
2.0
0.1
1.2
0.1
1.27
2.8
0.10
1.4
0.15
1.4
0.15
3.2
0.15
0.25
0.03
Laser chip
Reference plane
(Stem face)
Cap glass
Hologram device
0.3MAX.
Lead edge is within a circle
of 1.4mm from the center of
lead base.
P1.4
0.23=4.2
0.2
4.9
0.2
2.45
0.15 2.45
0.15
Dimensions which shows
position of lead pin is
measured at lead base.
Tolerance
0.2
-
+
-
+
-
+
-
+
-
+
r V
A
i V
CC
y V
B
D2 D3 D4 D1 D5
w V
C
e V
E
u V
F
o 1/2 V
CC
t GND
!0 LD
q Monitor PD
(GH5C105D3B)
q Monitor PD
(GH5C105D3A)
GH5C105D3A/GH5C105D3B
s
Outline Dimensions
Compact Size, Low Current Drive
Hologram Laser for Audio/Video CD Player
1
Optical power output
Laser
Monitor photodiode
Reverse voltage
OPIC supply voltage
2
Operating temperature
2
Storage temperature
3
Soldering temperature
Symbol
P
H
V
R
V
CC
T
opr
T
stg
T
sold
Rating
4.3
2
30
6
-10 to +60
-40 to +85
260
Unit
mW
V
V
V
C
C
C
Parameter
(T
C
=25C)
s
Absolute Maximum Ratings
1
Output power from hologram laser
2
Case temperature
3
At the position of 1.6mm or more from the lead base (Within 5s)
o i u y
q w e r
t
!0
Z
X
Y
Top View
Terminal connection
Pin configuration
(Unit : mm)
s
Features
(1) With built-in OPIC
(TYP. 5MHz)
(2) Enables to design compact pick-up thanks to compact
package (Thickness : 4.8mm)
(3) Voltage output type (External noise solution is
unnecessary.)
(4) Low current drive (Operating current : TYP. 18mA)
(5) Maximum optical power output : 4.3mW
(6) Wavelength : 780nm
OPIC : (Optical IC) is a trademark of the SHARP
Corporation. An OPIC consists of a light-
detecting element and signal-processing circuit
integrated onto a single chip.
s
Model No.
(1)
GH5C105D3A
....Dual power supply
(2)
GH5C105D3B
....Single power supply
s
Applications
(1) Audio CD drives
(2) Video CD drives
62
GH5C105D3A/GH5C105D3B
Hologram Lasers
1
Focal offset
3
Radial error balance
Symbol
Conditions
MAX.
TYP.
Unit
+0.7
-
m
%
+25
-
V
MIN.
-0.7
-25
4
RF output amplitude
5
FES output amplitude
V
RF
2.1
1.2
V
0.7
0.5
V
0.53
0.3
6
RES output amplitude
0.29
0.21
0.12
%
2
Focal error symmetry
+25
-
mA
-25
Threshold current
I
th
-
18
13
mA
-
ns
Jitter
GH5C105D3A
GH5C105D3A
-
-
23
-
-
Operating current
I
op
P
H
=2.7mW
22
18
V
-
Operating voltage
V
op
P
H
=2.7mW
2.2
1.8
nm
-
Wavelength
p
P
O
=3mW
795
780
GH5C105D3B
0.021
0.6
0.11
mA
770
-
Interference pattern intensity
P
O
=2mW
0.95
-
-
Output current
I
m
GH5C105D3A
P
H
=2.7mW,
V
R
=15V
0.24
0.13
0.048
Differential efficiency
d
2mW
I(3mW)-I(1mW)
-
0.65
mW/mA
-
Parameter
(Vcc=5V, Tc=25
C)
V
RF
=0.75V
V
RF
=0.75V
P
H
=3.0mW
V
RF
=0.75V
V
RF
=0.75V
V
RF
=0.75V
DEF
B
RES
B
FES
V
FES
V
RES
I
FES
I
RES
s
Electro-optical Characteristics
a (+amplitude of RES)
b (amplitude of RES)
GND
a (+amplitude of FES)
b (amplitude of FES)
NA=0.50
f =4.5mm
NA=0.11
f =20.6mm
Actuator
Collimated lens
Hologram laser
Disc
Laser driver
APC circuit
Measuring System of Hologram Laser
1
Distance between FES=0 and jitter minimum point
At the condition of FES sensitivity = 20%/1 m
2
(ab) / (a+b)
3
ab
2(a+b)
4
Amplitude of V
A
+Va+2V
C
(focal servo ON, radial servo ON)
5
V
B
V
A
(Focal vibration)
6
V
E
V
F
(focal servo ON, radial servo OFF)
63
GH5C105D3A/GH5C105D3B
Hologram Lasers
Symmetry
Perpendicular
Parallel
Emission
characteristics
Misalignment position
Symbol
S
//
S
x
y
z
Conditions
Po=3mW,
into NA=0.11
-
-
-
MAX.
TYP.
Unit
+25
-
%
+15
-
%
+80
-
m
+80
-
m
+80
-
m
MIN.
-25
-15
-80
-80
-80
Parameter
(Tc=25
C)
s
Electro-optical Characteristics of Laser Diode (Design Standard)
1
Sensitivity
Symbol
S
Conditions
V
R
=15V
MAX.
TYP.
Unit
-
0.048
mA/mW
MIN.
-
Dark current
I
d
V
R
=15V
150
-
nA
-
Terminal capacitance
C
t
V
R
=15V
-
3.5
pF
-
Parameter
(Tc=25
C)
1
Sensitivity
Symbol
S
Conditions
V
R
=15V
MAX.
TYP.
Unit
-
0.22
mA/mW
MIN.
-
Dark current
I
d
V
R
=15V
150
-
nA
-
Terminal capacitance
C
t
V
R
=15V
-
9
pF
-
Parameter
(Tc=25
C)
s
Electrical Characteristics of Monitor Photodiode (Design Standard)
(GH5C105D3A)
Supply voltage
Symbol
V
CC
Conditions
MAX.
TYP.
Unit
5.5
-
V
MIN.
2.5
Supply current
I
CC
V
CC
=2.5V
10
5
mA
2
3
Output off-set voltage
V
OD
+25
0
mV
2
Segment
-
-
V
A
to F
-25
Off-set voltage difference
V
OD
V
CC
=2.5V, No light
+15
0
mV
-15
Response frequency
f
CF
4
V
CC
=5V,
-3dB
-
5
MHz
V
A
-V
B,
V
E
-V
F
V
A,
V
B,
V
C
3
f
CR
4
V
CC
=5V,
-3dB
-
1
MHz
V
E,
V
F
0.5
Temperature coefficient
of sensitivity
R
plt
Ta= -20 to +70C
-
-
ppm/C
V
A,
V
B,
V
C
1660
-
-
V
E,
V
F
1422
Parameter
(Tc=25
C)
s
Electro-optical Characteristics of OPIC for Signal Detection (Design Standard)
2
Applicable divisions correspond to pattern segment No.
3
Difference from Vcc/2
4
Output amplitude=0dB(input signal 100kHz)
Segment No.
Output
D 1 ..........................................V
E
D 2 ..........................................V
A
D 3 ..........................................V
B
D 4 ..........................................V
C
D 5 ..........................................V
F
D1
D2
D3
D5
D4
1
For hologram output power
(GH5C105D3B)
115
Application Circuits
NOTICE
qThe circuit application examples in this publication are provided to explain representative applications of
SHARP devices and are not intended to guarantee any circuit design or license any intellectual property
rights. SHARP takes no responsibility for any problems related to any intellectual property right of a
third party resulting from the use of SHARP's devices.
qContact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the specifications, characteristics, data, materials,
structure, and other contents described herein at any time without notice in order to improve design or
reliability. Manufacturing locations are also subject to change without notice.
qObserve the following points when using any devices in this publication. SHARP takes no responsibility
for damage caused by improper use of the devices which does not meet the conditions and absolute
maximum ratings to be used specified in the relevant specification sheet nor meet the following
conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
--- Personal computers
--- Office automation equipment
--- Telecommunication equipment [terminal]
--- Test and measurement equipment
--- Industrial control
--- Audio visual equipment
--- Consumer electronics
(ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and
safety when SHARP devices are used for or in connection with equipment that requires higher
reliability such as:
--- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
--- Traffic signals
--- Gas leakage sensor breakers
--- Alarm equipment
--- Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely
high level of reliability and safety such as:
--- Space applications
--- Telecommunication equipment [trunk lines]
--- Nuclear power control equipment
--- Medical and other life support equipment (e.g., scuba).
qContact a SHARP representative in advance when intending to use SHARP devices for any "specific"
applications other than those recommended by SHARP or when it is unclear which category mentioned
above controls the intended use.
qIf the SHARP devices listed in this publication fall within the scope of strategic products described in the
Foreign Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to export
such SHARP devices.
qThis publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under
the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any
means, electronic or mechanical, for any purpose, in whole or in part, without the express written
permission of SHARP. Express written permission is also required before any use of this publication
may be made by a third party.
qContact and consult with a SHARP representative if there are any questions about the contents of this
publication.
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