Hologram Unit HUL7207 micro-mirror integration Y Reference plane (0.35) Reference plane Apparent emitting point Apparent emitting point Reference plane 2˚ 0.25±0.05 Lead frame : 3-beam method ,,, 2.55±0.2 Tracking error signal detection Low-power semiconductor laser included Applications Position of reference plane ,,,,, ,,,, Focus error signal detection : SSD method 7˚ SEC. X-O-Y 3.0±0.2 Fast response (fC = 50 MHz) 2˚ 4.7±0.1 O (0.2) (0.5) (4.8 × 8.2 × 4.3 mm) 12 11 10 X 9 8 7 Gate the rest ,,,,, , Smaller package size achieved through 1 2 3 4 5 6 4.33±0.2 2.55±0.2 3˚ 0.50 0.78±0.2 1.33±0.2 Features Unit : mm ,,,, 4.8±0.1 0.8×5=4.0 0.4±0.1 For optical information processing Index mark for No.1 pin on reverse side 11.2±0.2 8.2±0.2 ø8.0 +0 –0.05 (1.8) (0.3) Hologram Unit 7˚ 8.1±0.2 SEC. X-O-Y CD-ROM drives (Note): 1.Standard corner R=0.20 max. 2.Thickness of plate:Ni 1µm min.+Au 0.1µm min. 3.Thickness of hologram=2.0mm, n=1.519 (supports 40 time speed CD-ROM drives) Absolute Maximum Ratings (Ta = 25˚C) Parameter Symbol Ratings Unit PO 0.3 mW Laser reverse voltage VR(LD) 2 V Monitor PD reverse voltage VR(mon) 6 V Laser beam output*1 *1 Supply voltage VCC 6 V Operating supply voltage range VCC +3.0 to +5.5 V Reference voltage VC +1.3 to VCC –1.3 V Operating ambient temperature Topr – 10 to +60 ˚C Storage temperature Tstg – 40 to +85 ˚C Light emitting output through objective lens Unit Characteristic Specifications (Tc = 25±3˚C) Parameter Laser beam output*1 Symbol Conditions PO VRF = 570mV, VCC = 5V Operating current IOP CW VRF = 570mV, VCC = 5V Operating voltage VOP CW VRF = 570mV, VCC = 5V min 25 typ max Unit 0.18 0.25 mW 35 45 mA 1.9 2.4 V Oscillating wavelength λL VRF = 570mV, VCC = 5V 775 795 815 nm Focus error signal amplitude VFE VRF = 570mV, VCC = 5V 340 480 620 mV Tracking error signal amplitude VTE VRF = 570mV, VCC = 5V 220 340 460 mV Focus error signal pull-in range DFE VRF = 570mV, VCC = 5V 9 12 16 µm 40 50 Frequency characteristics *1 Light fC MHz emitting output through objective lens 1 Hologram Unit HUL7207 Block Diagram of Circuit Functions 2 1 12 LD 3 11 Pmon + + 4 – 5 P2 P3 P4 P7 P8 P9 P1 P5 P6 P10 10 – 9 – 6 + 8 – + 7 BAND GAP Reg. 1: GND 2: Mon. out 3: N.C. 4: (P2+P4+P8) out 5: VC 6: (P1+P6) out 2 7: GND 8: (P5+P10) out 9: VCC 10: (P3+P7+P9) out 11: LD (+) 12: LD (–)