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Part: IS1682

Category:
 Optoelectronics
   -> Photosensors

Description: Opic Light Detector For X40 Speed Cd-rom Drive

Company: Sharp Microelectronics of the Americas

Datasheet: Download IS1682 datasheet     File size : 89 kB

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Datasheet text preview:
(
Under development New product
IS1682
OPIC Light Detector for X40 Speed CD-ROM Drive
General Description Sharp's IS1682 is OPIC light detectors which are used for pick-up in X40 speed CD-ROM drive. They improve noise resistance characteristics and enable to read low reflective CD-RW due to built-in RF amp.
OPIC Light Detector
Outline Dimensions
10 9 8 7 6
Unit: mm)
0.35
2.0
(2.2)
0.4
Features (1) High speed response(Response frequency: MIN. 45MHz) (Best suited for optical pick-up in X40 speed CD-ROM drive) (2) With built-in RF amplifier 0.15 (Integrates 6-division PIN photodiode and P=0.8 amplifier circuit onto a single chip) 12345 Terminal connection (3) Compact and thin package 1 VD 6 VE 5.0 (Dimensions: 5.0 x 4.0 x 1.5mm) 2 VA 7 GND (4) Possible to supply custom-made detecting pattern 3 VRF 8 VS (5) Pair use with Sharp's laser diode is recommended. 9 Vcc 4 VB 10 VF Laser diode : 780 nm / 5 mW (LT022 series ) 5 VC 770 to 795 nm /60 mW ( LT041NS ) * "OPIC"(Optical IC)is a trademark of the SHARP Corporation. An OPIC consists of a
light-detecting element and signal-processing circuit integrated ontoa single chip.
Applications (1) CD-ROM drive(to 40X speed) (2) CD-ROM drive for CD-RW
Detecting Pattern of Photodiode
Unit: µm
124
1.5
Internal Block Diagram
Vcc VS - + A - + VA
124 200 F 120
380 66 66 88 5 DC A B
E 4-15
8.4
4.0
VB
B - + C - + D E - + - + VE VD VC
5

4-15

Absolute Maximum Ratings
(Ta=25°C)
Symbol Parameter Rating Unit 6.0 V Supply voltage Vcc Vcc V *1 Output voltage Vo -30 to +80 °C Topr Operating temperature -40 to +100 °C Storage temperature Tstg °C Tsol *2 Soldering temperature 260 *1 Applies to VA to VF,VRF *2 For MAX.3s at the position of 1.0mm from the resin edge.
F
VF
- + GND
Bias circuit
VRF
(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. · Specifications are subject to change without notice for improvement. · Data for Sharp's optoelectronic/power devices is provided on internet. ( Address http://www.sharp.co.jp/ecg/)
(Internet)
Tec.IS980701
IS1682
Recommended Operating Conditions
OPIC Light Detector
Symbol Vcc Vs Vs MIN. 4.75 2.0 2.4 TYP. 5.0 2.1 2.5 MAX. 5.25 2.2 2.6 (Ta=25°C) Unit V V V
Parameter Operating supply voltage Operating supply voltage 1 Operating supply voltage 2 Electrical Characteristics 1
Parameter Supply current Output off-set voltage 1 Output off-set voltage 2 Output off-set voltage 3
(Ta=25°C,Vcc=5V,Vs=2.1V,RL=10k [ VRF terminal : RL= 0 ] CL= 10 pF) MIN. 8.8 -25 -15 1.25 -20 -20 -20 -15 -40 MIN. -25 -16 1.25 -22 -15 -40 MIN. 18.0 31.2 30.2 1.67 34 55 1 45 3.8 3.8 -1.0 -1.0 TYP. 14.8 0 0 1.4 0 0 0 0 +5 TYP. +2 0 1.4 0 0 +13 TYP. 24.6 44.7 43.2 1.81 1.76 65 75 5 65 +1.0 +1.0 2.5 2.5 -81 -70 MAX. 20 +25 +15 1.55 +20 +20 +20 +15 +50 MAX. +28 +16 1.55 +22 +15 +62 MAX. 31.2 58.1 56.1 10 1.84 +2.0 +2.0 6 6 -76 -65 Unit mA mV mV V Applications Vcc VA to VD VE,VF VRF VA,VB VC,VD VA to VD VE,VF VA to VD Applications VA to VD VE,VF VRF VA to VD VE,VF VA to VD Applications VA to VD VE,VF VRF VA to VF VRF VE,VF VA to VD VA to VD VRF VA to VF VRF VA to VD VRF VA to VD VRF
Extremes of off-set voltage
Symbol Conditions Icc - Vod1 Specified by voltage difference from Vs Vod2 Specified by voltage difference from Vs Vod3 Refered to GND A-B C-D Vod (A+C) - (B+D) E-F A+B+C+D Symbol Conditions Vod1 Specified by voltage difference from Vs Specified by voltage difference from Vs Vod2 Reffered to GND Vod3 (A+C) - (B+D) E-F Vod A+B+C+D
mV
(Ta=25°C,Vcc=5V,Vs=2.5V,RL=10k [ VRF terminal : RL= 0 ] CL= 10 pF) Parameter Output off-set voltage 4 Output off-set voltage 5 Output off-set voltage 6 Extremes of off-set voltage Unit mV mV V mV
Electrical Characteristics 2
Parameter *3*4 Sensitivity 1 *3*4 Sensitivity 2 *3*4 Sensitivity 3 *5 Extreme of sensitivity Sensitivity ratio 1 Sensitivity ratio 2
*4*6 Response frequency 1 *4*6 Response frequency 2 *4*6 Response frequency 3 *4*6 Response frequency 4 *4 High level output voltage 1 *4 High level output voltage 2
(Ta=25°C,Vcc=5V,Vs=2.1V,RL=10k [ VRF terminal : RL= 0 ] CL= 10 pF) Conditions -3dB -3dB -3dB Averge of VA to VD 1 MHz to 23.1 MHz 1 MHz to 23.1 MHz
Average of f=1 to 23.1MHz,VA to VD
Symbol RP1 RP2 RP3 RP RP2/RP1 RP3/RP1 fc1 fc2 fc3 fc4 VOH1 VOH2 Rp1 Rp2 tgd1 tgd2 Vn1 Vn2
Unit mV/µW mV/µW mV/µW % MHz MHz MHz MHz V V dB dB ns ns dBm dBm
*4 Response sensitivity 1 *4 Response sensitivity 2
*4*7 Group delay deviation 1 *4*7 Group delay deviation 2
Output noise level 1 Output noise level 2
f=1 to 23.1MHz f=23.1MHz,BW=30kHz f=23.1MHz,BW=30kHz
*3 10µW, 30µm of DC light is applied to the center of each photodiode. Under that condition, sensitivity R is shown by following formula. R=(Vp-Vod)/5µW *4 Light source : laser diode of =780nm *5 Extreme of sensitivity is shown by following formula. 2 x (Rp1max-Rp1min)/(Rp1max+Rp1min) x 100 2 x (Rp2max-Rp2min)/(Rp2max+Rp2min) x 100 *6 Frequency sensitivity is -3dB.(reference sensitivity : value at f= 1 MHz) *7 In addition to 10µW, 30µm DC light, 4µWp-p AC light is applied to the center of each photodiode. BW=10kHz As of June 1998 Tec.IS980701


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