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| IS1640 OPIC Light Detector for DVD-ROM/DVD Player (2X Speed) General Description SHARP's IS1640 is OPIC light detector for pick-up of DVD-ROM/DVD player which is expected as next generation media. It is also applicable to 2X speed DVD-ROM/DVD player. It has sensitivity switching terminal which enables to read both 1-layer disc and 2-layer disc. Features (1) OPIC light detector for RF signal detection (Integrates 6-division PIN photodiode and Amp. IC onto a single chip) (2) High speed response (Response frequency : MIN.20MHz) (3) High sensitivity (Sensitivity : TYP.40.5mV/W at 650nm) (4) With sensitivity switching terminal which enables to read both 1-layer/2-layer disc (5) Compact and thin package (Package dimensions : 5.0 x 4.0 x 1.5mm) (6) Possible to supply custom-made detecting patterns (7) Pair use with SHARP's laser diode is recommended. Laser diode : 650nm (self pulsation) LT055 series 650nm LT056 series Application (1) DVD-ROMs (2) DVD players Absolute Maximum Ratings Parameter Supply voltage *1 Output voltage Operating temperature Storage temperature *2 Soldering temperature Symbol Vcc Vo Topr Tstg Tsol Rating 6.0 Vcc -20 to +70 -40 to +100 260 OPIC Light Detector Outline Dimensions 10 9 8 7 6 (Unit : mm) 0.35 2.0 (2.2) 0.4 8.4 P=0.8 12345 5.0 1.5 Terminal connection 1 2 3 4 5 4.0 0.15 VF VA VM VB VE 6 7 8 9 10 VC GND VS Vcc VD * "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. (Ta=25C) Unit V V C C C *1 Applies to VA to VF terminal. *2 For MAX.3s at the position of 1.0mm from the bottom face of resin package. (Notice) * In the absence of device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP device 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 device is provided for internet. (Address http://www.sharp.co.jp/ecg/) Tec.970201 IS1640 Recommended Operating Conditions Parameter Supply voltage 1 Supply voltage 2 Symbol Vcc Vs Condition MIN. 4.5 Vcc/2 OPIC Light Detector (Ta=25C) Unit V V TYP. 5.0 Vcc/2 MAX. 5.5 Vcc/2 Electrical Characteristics 1 Parameter Supply current Output off-set voltage Extremes of off-set voltage Symbol IccH VodH VodH Condition Specified by voltage difference from Vs A-B C-D (A + C) - (B + D) E-F Specified by voltage difference from Vs A-B C-D (A + C) - (B + D) E-F MIN. 0.8 -15 -15 -15 -15 -15 0.8 -15 -15 -15 -15 -15 TYP. 6.2 0 0 0 0 0 6.2 0 0 0 0 0 (Ta=25C, Vcc=5V,Vs=2.5V) MAX. 12.4 +15 +15 +15 +15 +15 12.4 +15 +15 +15 +15 +15 Unit mA mV Application Vcc VA to VF VA,VB VC,VD VA to VD VE,VF Vcc VA to VF VA,VB VC,VD VA to VD VE,VF H gain mode mV L gain mode Supply current Output off-set voltage Extremes of off-set voltage IccL VodL VodL mA mV mV Electrical Characteristics 2 Parameter *3,4 Sensitivity 1 *3,4 Sensitivity 2 Temperature coefficient of sensitivity (Ta=25C, Vcc=5V,Vs=2.5V) Application Symbol Condition TYP. MAX. Unit MIN. RH1 30.3 40.5 50.7 mV/W VA to VD RH2 43.9 58.6 73.3 mV/W VE,VF RHt Ta= - 20C to + 70C 2 500 ppm/C VA to VF *4,5,6 Response frequency 1 fcH1 - 3dB MHz 20 27 VA to VD 1 1.7 VE,VF *4,5,6 Response frequency 2 fcH2 - 3dB MHz VAto VD Output noise level VnH f=10MHz,BW=30kHz - 72 - 66 dBm *3,4 Sensitivity 1 VAto VD 10.1 13.5 16.9 mV/W RL1 *3,4 Sensitivity 2 VE,VF RL2 14.6 19.5 24.4 mV/W Ta= - 20C to 70C VA to VF Temperature coefficient of sensitivity RLt 2 500 ppm/C *4,5,6 Response frequency 1 VA to VD fcL1 - 3dB 20 27 MHz 1 1.7 *4,5,6 Response frequency 2 VE,VF fcL2 - 3dB MHz Output noise level VA to VD VnL f=10MHz,BW=30kHz - 82 - 75 dBm *3 10W, o30m of DC light is applied to the center of each photodiode. Under that condition, sensitivity R is shown by following formula. R=(Vp - Vod)/10W *4 Light source: laser diode of l=650nm *5 Frequency sensitivity is -3dB.(reference sensitivity : value ar f=0.1MHz) *6 In addition to 10W, o30W DC light, 4Wp-p AC light is applied to the center of each photodiode. BW=10kHz L gain mode H gain mode Tec.970201 IS1640 Block Diagram OPIC Light Detector VM(H/L) - Vcc A Vs + VA Gain changes according to VM terminal voltage Mode H gain mode L gain mode VM terminal voltage Vcc GND Vs B Vs + VB GND - C Vs + VC - D Vs + VD - E Vs + VE - F Vs + VF Detecting Pattern of Photodiode Unit : m 190 250 F 150 105 150 D A C B 6 105 190 E As of Feb. 1997 Tec.970201 |
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