GH7C605B5B - Sharp Electronics Corp.

Notice In t h e a b s e n c e o f c o n firmation 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/

GH7C605B5A/GH7C605B5BHologram Lasers

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

1.39

±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.

GND

D4 D1D2 D5

Vcc2

Vcc

Monitor PD

(GH7C605B5A)

(GH7C605B5B)

✕1

✕2

1.6 V

GH7C605B5A/GH7C605B5B

■Outline Dimensions

3mm Thickness Resin Stem Hologram Laser

for CD-ROM Drive(Equivalent to ✕40 Speed)

qwerty

!2!1!0oiu

Terminal connection Pin configuration

(Unit : mm)

■Features

(1) With built-in high speed response OPIC❇(MIN. 40MHz)

(2) For CD-ROM drives (equivalent to ◊40 speed)

(3) Built-in RF amp enables high speed reading of low

reflective discs (CD-R/RW media).

(4) Insert frame structure enables easy mounting compared

to conventional pin structure.

(5) Super-thin package (3mm thickness)

(6) With built-in beam splitter and diffraction grating

❇OPIC : (Optical IC) is a trademark of SHARP Corporation.

An OPIC consists of a light-detecting element

and a signal-processing circuit integrated onto a

single chip.

■Model No.

(1) GH7C605B5A....Dual power supply

(2) GH7C605B5B....Single power supply

■Applications

(1) DVD-ROM drives

(2) CD-ROM drives for notebook PCs

■Absolute Maximum Ratings (TC=25˚C)

Parameter Symbol Rating Unit

❇1Optical power output PH4.3 mW

Reverse voltage Laser VR2V

❇2Operating temperature Topr -10 to +70 ˚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)

Monitor photodiode

OPIC supply voltage VCC 6V

GH7C605B5A/GH7C605B5BHologram Lasers

■Electro-optical Characteristics (VCC=5V, VS=2.1V, TC=25˚C)

❇1Distance between FES=0 and jitter minimum point

At the condition of FES sensitivity = 20%/1µm

❇2(a–b) / (a+b)

❇3

❇4Amplitude of VRF (focal servo ON, radial servo ON)

❇5VA–VB(Focal vibration)

❇6VE–VF(focal servo ON, radial servo OFF)

a–b

2◊(a+b)

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

Disc

(SONY : YEDS-18)

Laser driver

APC circuit

Actuator

Collimated lens

Hologram laser

Measuring System of Hologram Laser

Parameter Symbol MAX. Unit

❇1Focal offset DEF +0.7 µm

Differential efficiency ηd- mW/mA

Conditions MIN. TYP.

VRF=1.1V -0.7 -

2.0mW

I(3.0mW)-I(1.0mW) -0.27

❇2Focal error symmetry BFES VRF=1.1V -25 - +25 %

❇3Radial error balance BRES -25 - +25 %PH=3.0mW

❇4RF output amplitude VRF PH=3.0mW 0.67 1.60 - V

❇5FES output amplitude VFES VRF=1.1V 0.28 0.43 0.59 V

0.08 0.15 0.20 V

Threshold current Ith −-2539mA

Operating current Iop PH=3.0mW - 36 50 mA

Operating voltage Vop PH=3.0mW - 1.85 2.2 V

Wavelength λpPH=3.0mW 770 780 795 nm

0.05 0.22 0.60 mA

Output current ImPH=3.0mW, VR=15V 0.06 0.32 0.60 mA

❇6RES output amplitude

GH7C605B5A

GH7C605B5B

VRES VRF=1.1V

Notice In t h e a b s e n c e o f c o n firmation 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/

GH7C605B5A/GH7C605B5BHologram Lasers

■Electrical Characteristics of Monitor Photodiode (Design Standard*)

(GH7C605B5A) (TC=25˚C)

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

Parameter Symbol MAX. Unit

Emission

characteristics

❇1Symmetry

S// +25 %

+15

Misalignment position ∆x+80 µm

∆z+80 µm

Interference pattern intensity α0.99 -

Conditions MIN. TYP.

Parallel -25 -

Perpendicular

-15 - %

-80 -

Po=3mW - -

S⊥

∆y-80 - +80 µm

Po=3mW, Into NA=0.11

−

Parameter Symbol MAX. Unit

❇2Sensitivity S - mA/mW

150

Terminal capacitance Ct-pF

Conditions MIN. TYP.

-0.11

Dark current -- nA

-4.2

IDVR=15V

■

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

(VCC=5V, VS=2.1V±5%, TC=25˚C)

Parameter Symbol Unit

❇3

Segment

Supply voltage VCC V

RF reference voltage VRFO VVRF

Conditions MIN. TYP.

4.5 5

1.40 1.60

❇1Measuring method of radiation symmetry

❇3Applicable divisions correspond to output terminals. ❇4Difference from Vs

❇5Output amplitude=0dB (input signal 100kHz) BW=10kHz

Segment No. Output

D 1...............................................VE

D 2...............................................VA

D 3...............................................VB

D 4...............................................VC

D 5...............................................VF

MAX.

5.5

Vs working voltage range VS 2.0 2.1 2.2 V

Offset voltage difference ∆VOD

No light -25 0 25 mV VA-VB

-15 0 15 mV VE-VF

PH=0mW No light 1.80

Parameter Definition

S//

S⊥

(P B + P C) - (P A + P D)

P A + P B + P C + P D

(P A + P B) - (P C + P D)

P A + P B + P C + P D

P X : Output of light detector X

Reference plane

to 33mm (NA=0.11)

6.3˚ø7.4mm

4-division photodetector

(ø10mm)

Laser diode

Supply current ICC 71013mA

❇4Output offset voltage VOD -25 0 25 mV VA, VB, VC

-15 0 15 mV VE, VF

Response frequency fCRF ❇5-3dB

RL=10k, CL=10pF

40 70 - MHz VRF

fCF 10 20 - MHz VA, VB, VC

fCR 2 4 - MHz VE, VF

(GH7C605B5B) (TC=25˚C)

Parameter Symbol MAX. Unit

❇2Sensitivity S - mA/mW

150

Terminal capacitance Ct-pF

Conditions MIN. TYP.

-0.07

Dark current -- nA

-7.7

IDVR=15V

❇2For hologram output power

* 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 t h e a b s e n c e o f c o n firmation 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

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 Control 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

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.

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

publication.