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IS1682 Datasheet

OPIC Light Detector for X40 Speed CD-ROM Drive

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IS1682
Under development
New product
OPIC Light Detector
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.
Outline Dimensions
10 9 8 7 6
0.4
0.35
(Unit: mm)
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
amplifier circuit onto a single chip)
(3) Compact and thin package
(Dimensions: 5.0 x 4.0 x 1.5mm)
(4) Possible to supply custom-made detecting pattern
P=0.8
1234 5
5.0
Terminal connection
1 VD 6 VE
2 VA 7 GND
3 VRF 8 VS
(5) Pair use with Sharp's laser diode is recommended.
Laser diode : 780 nm / 5 mW (LT022 series )
4 VB 9 Vcc
5 VC 10 VF
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
Detecting Pattern of Photodiode
Internal Block Diagram
(1) CD-ROM drive(to 40X speed)
Unit: µm
Vcc
VS
(2) CD-ROM drive for CD-RW
380
124 66 66 124
88
F5
E
DC
AB
4-15
+
VA
A
+
VB
B
+
VC
C
Absolute Maximum Ratings
(Ta=25˚C)
Parameter
Symbol
Rating
Unit
Supply voltage Vcc 6.0 V
*1 Output voltage
Operating temperature
Storage temperature
*2 Soldering temperature
Vo
Topr
Tstg
Tsol
Vcc
30 to +80
40 to +100
260
V
˚C
˚C
˚C
*1 Applies to VA to VF,VRF
*2 For MAX.3s at the position of 1.0mm from the resin edge.
D
GND
+
E
+
F
+
VD
VE
VF
+
VRF
Bias circuit
(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.
(Internet) • Data for Sharp's optoelectronic/power devices is provided on internet. ( Address http://www.sharp.co.jp/ecg/)
Tec.IS980701


Sharp Electronic Components Datasheet

IS1682 Datasheet

OPIC Light Detector for X40 Speed CD-ROM Drive

No Preview Available !

IS1682
OPIC Light Detector
Recommended Operating Conditions
Parameter
Operating supply voltage
Operating supply voltage 1
Operating supply voltage 2
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
Electrical Characteristics 1
(Ta=25˚C,Vcc=5V,Vs=2.1V,RL=10k[ VRF terminal : RL= 0 ] CL= 10 pF)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit Applications
Supply current
Output off-set voltage 1
Output off-set voltage 2
Output off-set voltage 3
Extremes of off-set voltage
Icc
Vod1
Vod2
Vod3
Vod
Specified by voltage difference from Vs
Specified by voltage difference from Vs
Refered to GND
A-B
C-D
(A+C) - (B+D)
E-F
A+B+C+D
8.8
25
15
1.25
20
20
20
15
40
14.8 20 mA Vcc
0 +25 mV VA to VD
0 +15 mV VE,VF
1.4
1.55 V
VRF
0 +20
VA,VB
0 +20
VC,VD
0 +20 mV VA to VD
0 +15
VE,VF
+5 +50
VA to VD
(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
Symbol
Conditions
Vod1 Specified by voltage difference from Vs
Vod2 Specified by voltage difference from Vs
Vod3 Reffered to GND
(A+C) - (B+D)
Vod
E-F
A+B+C+D
MIN.
25
16
1.25
22
15
40
TYP.
+2
0
1.4
0
0
+13
MAX.
+28
+16
1.55
+22
+15
+62
Unit Applications
mV VA to VD
mV VE,VF
V VRF
VA to VD
mV VE,VF
VA to VD
Electrical Characteristics 2
(Ta=25˚C,Vcc=5V,Vs=2.1V,RL=10k[ VRF terminal : RL= 0 ] CL= 10 pF)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX. Unit Applications
*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
*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
RP1
RP2
RP3
RP
RP2/RP1
RP3/RP1
fc1
fc2
fc3
fc4
VOH1
VOH2
Rp1
Rp2
tgd1
tgd2
Vn1
Vn2
-
-
-
-
-
-
-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
f=1 to 23.1MHz
f=23.1MHz,BW=30kHz
f=23.1MHz,BW=30kHz
18.0
31.2
30.2
-
-
1.67
34
55
1
45
3.8
3.8
-1.0
-1.0
-
-
-
-
24.6
44.7
43.2
-
1.81
1.76
65
75
5
65
-
-
+1.0
+1.0
2.5
2.5
-81
-70
31.2
58.1
56.1
10
-
1.84
-
-
-
-
-
-
+2.0
+2.0
6
6
-76
-65
mV/µW
mV/µW
mV/µW
%
-
-
MHz
MHz
MHz
MHz
V
V
dB
dB
ns
ns
dBm
dBm
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
*3 10µW, φ30µm 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 λ=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, φ30µm DC light, 4µWp-p AC light is applied to the center of each photodiode. BW=10kHz
As of June 1998
Tec.IS980701


Part Number IS1682
Description OPIC Light Detector for X40 Speed CD-ROM Drive
Maker Sharp
Total Page 2 Pages
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