GH6M005A5B0F - Sharp Electronics Corp.

113

Hologram Lasers GH6M005A5BHologram Lasers

■Absolute Maximum Ratings (TC=25˚C)

Parameter Symbol Rating Unit

❇1Optical power output PH4.5 mW

Reverse voltage

Laser

❇2Operating temperature Topr -10 to +60 ˚C

❇2Storage temperature Tstg -40 to +85 ˚C

❇3Soldering temperature Tsold 260 ˚C

❇1Output power from hologram laser CW (Continuous Wave) drive

❇2Case temperature

❇3At the position of 1.6mm from the lead base (Within 5s)

Signal detection photodiode

15 V

Photodiode 30 V

ø8.2

–

0.05

–0

0.1

0.8±0.2◊5=4±0.2

2.4±0.15

(1.5)

0.4±0.1

45˚±1˚

0.1

Hologram device

Emission point

1.31±0.1 from reference plane

Reference plane

ø8.2 +

–0

0.05

ø6.1 to 6.3

ø6.6±0.2

3.2±0.15

4.77±

0.15

3.8±

0.5

2.0±0.15

(0.8±

0.2

)

3.3±

0.2

1.2±

0.2

12-0.4±0.1

2±

0.2

(0.5±

0.2

)

ø7.5

MAX.

GH6M005A5B

■Outline Dimensions

3mm Thickness Resin type Hologram

Laser for Playback Only MD Player

Terminal connection Pin configuration

(Unit : mm)

■Features

(1) Super-thin package (3mm thickness) due to insert frame

structure

(2) Operating current

Iop : TYP. 28mA

■Applications

(1) Playback only MD players

LD PIN D3 D2 NC NC

GND K NC D4 D1 NC

D3 D2

D4 D1

qwerty

!2 !1 !0 oiu

qwerty

!2!1!0oiu

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://sharp-world.com/ecg/

114

Hologram Lasers GH6M005A5BHologram Lasers

■Electro-optical Characteristics (TC=25˚C)

Parameter Symbol MAX. Unit

Focal offset DEF +0.5 µm

Differential efficiency ηd1.0 mW/mA

Conditions MIN. TYP.

Collimated lens output power

PCL=1.1mW

-0.5 -

1.8mW

I(2.7mW)-I(0.9mW) 0.2 0.6

❇1Focal error symmetry BFES -15 - +15 %

❇2Radial offset −80 - 120 %

❇4Main spot balance MSB 70 100 130 %

❇3FES output amplitude IFES 2.0 4.2 6.1 µA

❇5Stray light −PH=4mW - - 0.1 µA

Threshold current Ith −12030mA

Operating current Iop

PH=2.7mW

52840mA

Operating voltage Vop - 1.9 2.2 V

Output current Im0.001 - 0.2 mA

❇1(a–b) / (a+b) ❇2D1 / D4 (focal servo ON)

❇3D2–D3 (Focal vibration)

❇4(D1+D4) / (D2+D3)

❇5Output of D2, D3 when hologram output is 4mW and outside

light is cut off.

a (+amplitude of FES)

b (–amplitude of FES)

NA=0.47

f =2.56mm

NA=0.18

f =8.18mm

Actuator

Collimated lens

Hologram laser

Laser driver

ACC drive

Measuring System of Hologram Laser

High reflective test disk for C.D.

(Conformable to Red Booklet)

Wavelength λp770 780 790 nm

PH=2.7mW, VR=15V

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://sharp-world.com/ecg/

115

Hologram Lasers GH6M005A5BHologram Lasers

■

Electro-optical Characteristics of Laser Diode (Without Hologram Device) (Design Standard*)

(TC=25˚C)

Parameter Symbol MAX. Unit

Emission

characteristics

Parallel ø// +2 ˚

Chip thickness −55 µm

Conditions MIN. TYP.

-2 -

Perpendicular -3 - ˚

Active layer to chip edge - -

ø⊥

∆X, Y, Z -80 - +80 µm

Po=3mW

■

Electro-optical Characteristics of Photodiode for Signal Detection (Design Standard*)

(TC=25˚C)

Parameter Symbol Unit

Reverse voltage VRV

Response time tr, tf ns

Conditions MIN. TYP.

12.5 -

-10

IR=10µA

MAX.

Terminal capacitance CtVR=12.5V, f=1MHz 1.2 - 5 pF

1.4 - 5.8

Sensitivity 0.4 0.5 0.65 A/W

VR=15V, RL=180Ω120

-10200

D1, D4

■Electro-optical Characteristics of Hologram Laser (Design Standard*) (TC=25˚C)

Parameter MAX. Unit

❇4Focal error noise +7 %

Space between main and sub beam - µm

Conditions MIN. TYP.

-7 -

Disc surface - 19.7

❇1RF output amplitude 5 8.4 - µA

❇2RES output amplitude 123.5 µA

❇3Focal error signal capture range -19-

µm

❇1Amplitude of D1+D2+D3+D4 (focal servo ON, radial servo ON)

❇2Amplitude of D1–D4 (focal servo ON)

b/a

PCL=1.1mW

■Optical Characteristics of Hologram Device (Design Standard*) (TC=25˚C)

Parameter MAX. Unit

Grating diffraction intensity ratio (+1 : -1)

1.1 -

Grating rotation angle -˚

Conditions MIN. TYP.

0.9 1

to hologram parting line - 1.16

Transmissive wave aberration - - λ/8 -

Surface parallelism - - 5 min.

Grating diffraction intensity ratio (0 : 1)

9 : 1 10.5 : 1 12 : 1 -

Hologram diffraction efficiency (0 : 1) - 80 : 8 - %

−

λp=780nm

Half intensity angle Parallel θ// 9-18

Perpendicular θ⊥ 28 - 45 ˚

Misalignment position −

Kink LKink -15 - +15 %

Interference pattern intensity αPo=3mW - - 0.95 -

D2, D3

λp=780nm

D2, D3

D1, D4

❇3❇4

■Electrical Characteristics of Monitor Photodiode (Design Standard*) (TC=25˚C)

Parameter Symbol MAX. Unit

150

Terminal capacitance Ct-pF

Conditions MIN. TYP.

Dark current -- nA

-9

IDVR=15V

Deviation

angle

* These parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser.

• Please refer to the chapter "Handling Precautions"

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://sharp-world.com/ecg/

150

Application Circuits

NOTICE

●The 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.

●Contact 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.

●Observe 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).

●Contact 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.

●If the SHARP devices listed in this publication fall within the scope of strategic products described in the

Foreign Exchange and Foreign Trade Law of Japan, it is necessary to obtain approval to export such

SHARP devices.

the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any

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●Contact and consult with a SHARP representative if there are any questions about the contents of this

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