IS1685

1. OPIC light detector with built-in RF amplifier

(Integrates 6-division PIN photodiode and Amp. IC onto a

single chip)

2. High speed response

(Response frequency : MIN. 57.4MHz)

3. Can read various discs such as DVD, DVD-ROM,

DVD-R, CD-ROM, CD-R

4. High sensitivity

5. Compact and thin package

(Package dimensions : 5.0x4.0x1.5mm)

6. Possible to supply custom-made detecting patterns

7. Pair use with SHARP's laser diode is recommended.

Laser diode : 650nm band

GH06510A2A/B

OPIC Light Detector for
DVD Player (X6 Speed)

Features

1. DVD drives

2. CD-ROM drives

Applications

Outline Dimensions

(Unit : mm)

Absolute Maximum Ratings

*1 Applies to V

to V

terminal.

*2 For MAX. 3s at the position of 1.0mm from the bottom face of resin package.

Parameter

Symbol

Rating

Unit

Supply voltage

Output voltage

Operating temperature

opr

30 to

Storage temperature

stg

40 to

100

6.0

Soldering temperature

sol

260

(Ta

2.5

0.2

8.4

0.3

2.0

0.2

(2.2)

4.9

0.2

1.5

0.1

P0.8

0.1

Edge

Gate burr

Detector center

(R0.3)

(1.3)

Reference
face

(0.85)

(0.37)

Reference

face

(0.97)

(1.2)

Thick burr 1.2

MAX.

Thick burr 0.2

MAX.

0.4

0.2

0.1

0.35

0.2

0.1

4.0

0.05

0.1

5.0

0.05

0.1

3.9

0.2

0.15

0.3

Thin burr 0.4

MAX.

10-

GND
V

( ) : Reference dimensions

(1.6)

(1.1)

(1.3)

Rest of gate

(

0.8)

"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 signal chip.

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/

1.0mm

Soldering area

IS1685

Electro-optical Characteristics 1

Electro-optical Characteristics 2

Parameter

Symbol

MIN.

TYP.

MAX.

Unit

Application

Supply current

od1

od2

od3

Conditions

Specified by voltage difference from Vs
Specified by voltage difference from Vs

GND reference

1.55

Vcc

to V

, V

Output off-set voltage 1

Output off-set voltage 3

Output off-set voltage 2

8.8

1.25

14.8

1.4

, V

Extremes of off-set voltage

100

(Ta

C, Vcc

5V, V

2.1V, R

10k

Open], C

)

23.1MHz, BW

30kHz

23.1MHz, BW

30kHz

Output noise level 1

Output noise level 2

to V

dBm

to V

, V

Parameter

Symbol

MIN.

TYP.

MAX.

Unit

Application

Sensitivity 1

-
-

-
-
-

25.4

OH1

OH2

Conditions

-
-
-
-
-
-

1 to 23.1MHz

1 to 23.1MHz, Average of V

to V

3dB

3dB Applied to the center of the divided portion

47.4

32.4

1.17

14.7
25.4

17.4

20.0
36.4

24.9

1.81

1.24

1.30

MHz

57.4

mV/

(Ta

C, Vcc

5V, V

2.1V, R

10k

Open], C

5pF)

*3*4

Sensitivity 2

Sensitivity ratio 1

Sensitivity ratio 2

*3*4

Sensitivity 3

*3*4

Extreme of sensitivity 1

High level output voltage 1

High level output voltage 2

to V

-
-

tgd1

tgd2

-
-

3.8
3.8

2.5

5.5

MHz

Response frequency 1

*4*6*7

Group delay deviation 1

*4, *7

Group delay deviation 2

*4, *7

Response frequency 2

*4*6*7

Response frequency 3

*4*6*7

Response frequency 4

*4*6*8

Input light source wavelength

650nm

Recommended Operating Conditions

Parameter

MIN.

TYP.

MAX.

Unit

Supply voltage 1

Supply voltage 2

5.25

Symbol

5.0

2.1

2.2

4.75

2.0

(Ta

IS1685

Electro-optical Characteristics 3

*3 5

m of DC light is applied to the center of each photodiode.

Under that condition, sensitivity R

is shown by following formula.

*4 Light source : laser diode of

650nm or 780nm.

*5 Extreme of sensitivity is shown by following formula.

2 x (R

max.

min.) / (R

max.

min.) x 100

2 x (R

max.

min.) / (R

max.

min.) x 100

2 x (R

max.

min.) / (R

max.

min.) x 100

2 x (R

max.

min.) / (R

max.

min.) x 100

*6 Frequency sensitivity is

3dB. (reference sensitivity : value at f

1MHz)

*7 Refer to Fig.1
*8 Refer to Fig.1
*9 For Frequency Charactoristics refer to Fig.2
*10 As the temperature characteristics of the peaking rate A, the peaking rate at Ta=65°C against the peaking rate at Ta=25°C shall be satisfied with the following.

(Application terminal : V

to V

, V

)

to V

, V

Parameter

Symbol

MIN.

TYP.

MAX.

Unit

Application

Sensitivity 4

-
-

-
-
-

31.2

OH3

OH4

Conditions

-
-
-
-
-
-

1 to 23.1MHz

1 to 23.1MHz, Average of V

to V

3dB

58.1

39.7

1.17

18.0
31.2

21.3

24.6
44.7

30.5

1.81

1.24

1.30

mV/

(Ta

C, Vcc

5V, V

2.1V, R

10k

Open], C

5pF)

*3*4

Sensitivity 5

Sensitivity ratio 3

Sensitivity ratio 4

*3 *4

Sensitivity 6

*3 *4

Extreme of sensitivity 2

High level output voltage 3

High level output voltage 4

to V

-
-

gd3

gd4

-
-

3.8
3.8

2.5

5.5

MHz

Response frequency 5

*4*6*7

Group delay deviation 3

*4, *7

Group delay deviation 4

MAX. 2.5dB

780nm

*4, *7

Response frequency 6

*4*6*7

Response frequency 7

*4*6*7

3dB Applied to the center of the divided portion

MHz

Response frequency 8

*4*6*8

Input light source wavelength

780nm

MAX. 3.5dB

650nm

Fig.1 Response Frequency

Application : Response frequency except fc4 with

650nm, peaking rate, bottom rate, change rate,

group delay deviation

Response frequency except fc8 with

780nm peaking rate, bottom rate, change rate,

group delay deviation

7 In addition to 10

m DC light, 4

Wp-p AC light is applied to the center of each photodiode. BW

10kHz

8 In addition to 10

30mm DC light, 4

Wp-p of AC light is applied to the center of the divided

portion of photodiode A, B, C and D. BW

10kHz

Application : fc4 with

650nm and fc8 with

780nm

Laser light

IS1685

Fig.4 Block Diagram

-
+

Bias circuit

Fig.2 Frequency Characteristics

Fig.3 Detecting Pattern of Photodiode

X´

Y´

(Unit :

(Reference)

1MHz

3dB

23.1MHz

Frequency

The following 3 points shall be satisfied as frequency characteristics.
(Application : fc1, fc2, fc5, fc6)
(Ta

C, V

5V, V

2.1V, R

10k

: Open], C

5pF)

(Reference frequency 1MHz)

i
t
i
v

i
t
y

(
d

)

780nm

Peaking rate A

MAX. 2.5dB

Bottom rate B

MAX. 1.0dB

Change rate C

MAX. 3.0dB

650nm

MAX. 3.5dB

MAX. 1.0dB

MAX. 4.0dB

IS1685

Fig.7 Output Offset Voltage 2 vs. Ambient

Temperature (V

, V

)

Fig.5 Supply Current vs. Ambient

Temperature

Fig.6 Output Offset Voltage 1 vs. Ambient

Temperature (V

to V

)

Fig.8 Output Offset Voltage 3 vs. Ambient

Temperature (V

)

100

l
y

c
u

r
r
e
n

t

I

(
m

)

Ambient temperature T

(

2.1V

t
p

t

o

f
f
s
e
t

v

l
t
a
g

e

1

(
m

)

Ambient temperature T

(

100

2.1V

10k

5pF

t
p

t

o

f
f
s
e
t

v

l
t
a
g

e

2

(
m

)

Ambient temperature T

(

100

2.1V

10k

5pF

t
p

t

o

f
f
s
e
t

v

l
t
a
g

e

3

(
V

)

Ambient temperature T

(

0.0

2.5

2.0

1.5

1.0

0.5

100

2.1V

5pF

IS1685

Fig.11 Response Frequency 4 vs. Ambient Temperature

: Applied to The Center of The Divided Portion)

Fig.10 Response Frequency 2 vs. Ambient

Temperature (V

)

Fig.13 Sensitivity 3 vs. Ambient Temperature

)

Fig.9 Response Frequency 1 vs. Ambient

Temperature (V

to V

)

e
s
p

s
e

f
r
e
q

e
n

c
y

c
1

(
M

z
)

Ambient temperature T

(

100

650nm

2.1V

10k

5pF

e
s
p

s
e

f
r
e
q

e
n

c
y

c
2

(
M

z
)

Ambient temperature T

(

100

650nm

2.1V

5pF

e
s
p

s
e

f
r
e
q

e
n

c
y

c
4

(
M

z
)

Ambient temperature T

(

100

650nm

2.1V

5pF

Fig.12 Sensitivity 1 vs. Ambient Temperature

to V

)

e
n

s
i
t
i
v

i
t
y

(
m

)

Ambient temperature T

(

100

650nm

2.1V

10k

5pF

e
n

s
i
t
i
v

i
t
y

(
m

)

Ambient temperature T

(

100

650nm

2.1V

5pF

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.

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.

Part Number IS1685