IS1622

IS1622 IS1622 s Features 1. OPIC light detector for RF signal detection (6-division PIN type photodiode and amplifier IC integrated onto single chip) 2. Low operating voltage design (Operating voltage : 2.7 to 5.5V) 3. Sensitivity switching between playback mode and recording mode 4. Compact and thin transparent package (Package dimensions : 3.7 x 6.1 x 1.5 mm) OPIC Light Detector for Recorder Type MD (Mini Disk) RF Signal Detection s Outline Dimensions 3.7 10 9 8 7 6 Y (Unit : mm) [ Shape of detector portion] [Unit : µ m] 380 Y E1 A Grain F1 pattern finish B 78 78 162 162 6 6.1 MAX 9.3 X (0.5) X’ F2 Mirror finish ( 500) C D 6 E2 10 120 φ 3.0 P-0.7 10-0.3 10 120 120 X Y’ 6.1 Detector 0.8 face X’ s Applications 1. Optical pickup for recorder type MD players 1.5 (1.07) Y’ 1 2 3 4 5 0.15 0.8 0 +0.2 0 0.05 0.54 3.7 s Recommended Operating Conditions The switching circuit operates according to H and L voltage of the MR/R terminals. Mode Playback mode Recording mode MR/R terminal voltage L H SW state OFF ON Gain resistance R1 R1R2/ (R1+R2) 1.8 3.6 Reference plane [ Terminal configuration] 1 Vc 6 VA 2 MP/R 7 IE 3 Vcc 8 GND 4 VK 9 IF 5 VD 10 VB 3.0 6.0 3.7 3.7 Reference plane #1 pin index mark Internal block diagram R2 F E D C B A R1 Amp. Vcc SW IN VK MP/R VA SW IN VB SW IN VC SW IN VD IE IF GND R2 R1 Amp. R2 s Absolute Maximum Ratings Parameter Supply voltage Cathode terminal voltage Mode switching terminal voltage *1 *2 (Ta=25˚C) Rating - 0.5to+ 6.0 - ...