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| Hologram Unit HUL7207 Hologram Unit 0.40.1 (0.3) Smaller package size achieved through micro-mirror integration (4.8 x 8.2 x 4.3 mm) Fast response (fC = 50 MHz) Focus error signal detection : SSD method Tracking error signal detection : 3-beam method Low-power semiconductor laser included O Y Reference plane (0.2) (0.5) 3.00.2 Reference plane Apparent emitting point Apparent emitting point Reference plane Position of reference plane SEC. X-O-Y 2 2.550.2 0.250.05 Lead frame SEC. X-O-Y Applications CD-ROM drives (supports 40 time speed CD-ROM drives) Absolute Maximum Ratings (Ta = 25C) Parameter Laser beam output*1 Laser reverse voltage Monitor PD reverse voltage Supply voltage Operating supply voltage range Reference voltage Operating ambient temperature Storage temperature *1 Symbol PO VR(LD) VR(mon) VCC VCC VC Topr Tstg Ratings 0.3 2 6 6 +3.0 to +5.5 +1.3 to VCC -1.3 - 10 to +60 - 40 to +85 Unit mW V V V V V C C Light emitting output through objective lens Unit Characteristic Specifications (Tc = 253C) Parameter Laser beam output*1 Operating current Operating voltage Oscillating wavelength Focus error signal amplitude Tracking error signal amplitude Focus error signal pull-in range Frequency characteristics *1 Light Symbol PO IOP VOP L VFE VTE DFE fC Conditions VRF = 570mV, VCC = 5V CW VRF = 570mV, VCC = 5V CW VRF = 570mV, VCC = 5V VRF = 570mV, VCC = 5V VRF = 570mV, VCC = 5V VRF = 570mV, VCC = 5V VRF = 570mV, VCC = 5V ,,,, ,,,, , 7 8.10.2 (Note): 1.Standard corner R=0.20 max. 2.Thickness of plate:Ni 1m min.+Au 0.1m min. 3.Thickness of hologram=2.0mm, n=1.519 min 25 775 340 220 9 40 0.50 0.780.2 1.330.2 typ 0.18 35 1.9 795 480 340 12 50 max 0.25 45 2.4 815 620 460 16 4.70.1 Features 1 2 3 4 5 6 4.80.1 0.8x5=4.0 2 emitting output through objective lens ,,,, ,, 7 12 11 10 X 9 8 7 (0.35) For optical information processing Index mark for No.1 pin on reverse side 11.20.2 8.20.2 o8.0 +0 -0.05 (1.8) Unit : mm 4.330.2 2.550.2 3 Gate the rest ,,,, , ,, Unit mW mA V nm mV mV m MHz 1 Hologram Unit HUL7207 Block Diagram of Circuit Functions 2 1 12 3 Pmon + - P2 P4 P3 P7 P9 LD 11 + - 4 10 5 P8 P1 - + BAND GAP Reg. P6 9 P5 P10 - + 8 7 6 1: GND 2: Mon. out 3: N.C. 4: (P2+P4+P8) out 5: VC 6: (P1+P6) out 7: GND 8: (P5+P10) out 9: VCC 10: (P3+P7+P9) out 11: LD (+) 12: LD (-) 2 |
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