Sharp IS1622 Datasheet

IS1622

OPIC Light Detector for Recorder Type MD (Mini Disk) RF Signal Detection

■

Features

1. OPIC light detector for RF signal detection (6-division PIN type photodiode and amplifier IC integrated onto single chip)

Low operating voltage design (Operating voltage : 2.7 to 5.5V)

Sensitivity switching between playback mode and recording mode

4. Compact and thin transparent package (Package dimensions : 3.7x6.1x1.5 mm)

■

Applications

1. Optical pickup for recorder type MD players

■

Recommended Operating Conditions

The switching circuit operates according to H and L voltage of the MR/R terminals.

Mode Playback mode Recording mode

■

Absolute Maximum Ratings

MR/R terminal voltage

L H

Parameter Symbol Rating Supply voltage Cathode terminal voltage Mode switching terminal voltage

Output voltage

Power dissipation Operating temperature Storage temperature

Soldering temperature

*1 To apply to individual terminals of V , V , V , V , I and I . *2 To decrease at the rate of 2mW/ ˚C at Ta >= 25˚C. *3 For MAX. 3 seconds in the soldering area

ABCDE F

SW state Gain resistance

OFF ON

MP/R

opr

stg

sol

R1R2/(R1+R2

-0.5to+6.0

-0.5toVcc

-0.5toVcc 150

-20to+70

-40to+85 + 260

(Ta=25˚C)

Unit

V V V V

˚C ˚C

˚C

■

Outline Dimensions

3.7

9876

Detector center

XX’

(0.5)

φ 3.0

1.8

Y’

3.7

3.6

6 VA 7 IE 8 GND 9 I

10-0.3

P-0.7

12345

(1.07)

1.5

Reference plane

[Terminal configuration]

1 Vc 2 MP/R 3 Vcc 4 V

5 VD

Internal block diagram

)

* 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.

[Shape of detector portion]

Grain

pattern finish

6.1

0.15

Mirror

MAX 9.3

finish

F2 E2

10 10

( 500)

120

6.1

0.8 0.8

+0.2

0.05

6.0

3.7 3.7

#1 pin index mark

ABCDEF

Amp.

[Unit :µm]

380

7878

120

Y’

Detector face

0.54

3.0

Reference plane

Vcc V

MP/R

VD IE IF GND

(Unit : mm)

120

162162

376

X’

1.1

“ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.”

Recommended Operating Conditions

■

Parameter Symbol MIN. Operating supply voltage range Cathode terminal voltage

Playback mode incident light quantity range 1

Playback mode incident light quantity range 2

Recording mode incident light quantity range 1

Recording mode incident light quantity range 2

*4 The incident light quantity range applies to individual photodiodes of A, B, C and D and is specified in the incident light quantity per single photodiode. *5 The incident light quantity range applies to individual photodiodes of E and F and is specified in the incident light quantity per single photodiode.

φP1 φP2 φ R1 φ R2

CC1

2.7

0.5 15

TYP.

3.0

50 17

MAX.

5.5

130

Unit

V V

µ W µ W µ W µ W

IS1622

Electro-optical Characteristics

■

Parameter Symbol MIN. TYP. MAX. Unit Application Supply current I Dark output voltage V Dark output differential voltage

Sensitivity Sensitivity temperature coefficient

Playback mode

Response frequency Output noise level Supply current

Dark output voltage Dark output difference voltage

Sensitivity Sensitivity temperature coefficient Response frequency

Recording mode

Output noise level 1 Output noise level 2 Sensitivity Output current Dark current Terminal capacitance Mode switching terminal voltage 1 Mode switching terminal voltage 2 Mode switching terminal current 1

Common to both modes

Mode switching terminal current 2

Charac. after mode switching

*6 6µ W DC light is radiated to the center of each photodiode at 50µmφ.

Assuming the then output voltage as V and the dark output voltage as V , sensitivity R is defined according to the following formula.

RpP=

*7 50µ W DC light is radiated to the center of each photodiode at 50µmφ. Assuming the then output voltage as V and the dark output voltage as V , sensitivity V is defined according to the following formula.

*8 Take measurement assuming the mode switching terminal voltage on V =0V in the playback mode and V =Vcc in the recording mode. *9 Sensitivity response characteristics after mode switching between the playback and recording modes is specified in the sensitivity in 20µs after change of the mode switching

terminal voltage. Take measurement with 20µ W DC light radiated to the center of each photodiode at 50µmφ. Assuming the then output as V and dark output voltage as V , sensitivity R is defined according to the following formula.

Sensitivity response Sensitivity response

| V

pP-VodP

=| VpR-V

odR

=| Vp-Vod| / 20 µW

|/ 6µW

/ 50 µW

(Current flowing out of terminal : +, Current flowing into terminal :

Conditions *8

CCP

odP

odPS

CCR

odR

odRS

pRt

nR1

nR2

pE,RpF

dE,IdF

pRP

pP odP pP

pR odR pP

Ta=-20to+70˚C - + 7 000 - ppm/˚C

pPt

-3dB 3.0 5.3 - MHz f = 720kHz,BW = 10kHz - dBm

Ta=- 20to+70˚C - + 7 000 - ppm/˚C

- 3dB 1.8 3.8 - MHz f=22kHz,BW=1kHz - - 100 dBm f=720kHz,BW=10kHz - -90 dBm

MP/R MP/R

od p

- 2.0 5.2 9.0 mA V

- 1.1 1.4 1.6 V

- -25 0 25 mV

- 13 22.5 34 mV/µW

- 3.0 5.6 10.0 mA V

- 1.1 1.35 1.6 V

- -25 0 25 mV

- 1.3 2.8 4.9 mV/µW

- 0.28 0.37 0.52 µ A/ µWIE,I

- 240 430 700 µA

---10nAI

Vcc- 0.5

- 0 - 0.4 V MP/R

- - - 230 µ A MP/R

---µA MP/R *9 11.7 22.5 35.7 mV/µW *9 1.2 2.8 5.2 mV/µW

)

-90 -80

(

)

- Vcc V MP/R

(Ta=25˚C, V =V =3.0V)

CC K

VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V

VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V VA,VB,VC,V

-90

-80

VA,VB,VC,V VA,VB,VC,V

VA,VB,VC,V

-pFI

-0.5 VA,VB,VC,V VA,VB,VC,V

E,IF

●

Please refer to the chapter "Precautions for Use". (Page 78 to 93)