Hologram Unit HUL7202 Hologram Unit Unit : mm Index mark for No.1 pin on reverse side Y 2.55±0.2 0.25± 0.05 Lead frame 3.0±0.2 Tracking error signal detection : 3 beam method Low-power semiconductor laser included 4.4±0.2 (0.35) Reference plane Apparent emitting point SEC. X-O-Y Apparent emitting point Reference plane ,,,,,,, ,,,,, ,, Focus error signal detection : SSD method Reference plane 4.7±0.2 O (0.2) (0.5) Built-in I-V conversion amp 12 11 10 X 9 8 7 ,,,,,, , (4.8 × 8.2 × 4.3 mm) 4.33±0.4 2.55±0.2 3.8±0.2 micro-mirror integration 1 2 3 4 5 6 (0.3) Features Smaller package size achieved through 11.2±0.2 8.2±0.2 ø8.0 +0 –0.05 0.50 0.78±0.2 1.33±0.2 4.8±0.1 0.8±0.1×5= 4.0±0.1 2.0±0.2 For optical information processing 8.1±0.2 SEC. X-O-Y (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 Applications Car CD Absolute Maximum Ratings (Ta = 25˚C) Parameter Symbol Ratings Unit PO 0.3 mW Laser VR(LD) 2 V Monitor VR(mon) 6 V Laser beam output*1 Reverse voltage Supply voltage VR 6 V Operating ambient temperature Topr – 10 to +70 ˚C Storage temperature Tstg – 40 to +85 ˚C *1 Equivalent to optical output of 5 mW at laser edge Electro-Optical Characteristics (Ta = 25˚C) Parameter Laser beam output Symbol Conditions PO CW Operating current IOP CW VRF = 420mV, VCC = 5V Operating voltage VOP CW VRF = 420mV, VCC = 5V Oscillating wavelength λL CW VRF = 420mV, VCC = 5V Focus error signal amplitude VFE CW VRF = 420mV, VCC = 5V Tracking error signal amplitude VTE Focus error signal pull-in range DFE Frequency characteristics (–3 dB) fC min 23 typ max Unit 0.18 0.25 mW 35 40 mA 1.9 2.4 V 785 800 815 nm 180 300 420 mV CW VRF = 420mV, VCC = 5V 170 280 390 mV CW VRF = 420mV, VCC = 5V 9 12 16 µm 6 9 MHz 1 Hologram Unit HUL7202 Block Diagram of Circuit Functions 12 1 ,, 2 Pmon P2 P3 P4 P7 P8 P9 P1 P5 P6 P10 – + 5 6 11 – + – 10 + 9 – 8 + 7 1: GND 2: Mon. in 3: APC. out 4: (P2+P4+P8) out 5: VREF 6: (P1+P6) out ,, 4 LD APC ,, 3 7: GND 8: (P5+P10) out 9: VCC 10: (P3+P7+P9) out 11: LD (+) 12: LD (–) I — L , I —V 2.0 = I—L = I—V PO (mW) , VOP (V) 1.5 1.0 0.5 0.0 0 10 20 30 IOP (mA) 2 40 50