Description
3.3 V power supply pin Internal Circuit ¾ 22 kW 2 3 3 FPI I Main-beam amp input pin 1 kW 120 mA
2
FNI
I
Main-beam amp input pin
VC
4
TPI
I
Sub-beam amp input pin 4 5
2 mA
100 W
VC
2 mA
5
TNI
I
Sub-beam amp input pin
20 mA
2 mA 4 mA
6
MDI
I
Monitor photo diode amp input pin
6
1.75 kW 2 kW
4 mA
14 kW
ON: LD-OFF OFF: LD-ON 7 LDO O Laser diode amp output pin 7 1 kW
ON/OFF 50 kW
30 kW
SEL 8 SEL I GND HiZ VCC
APC Circuit OFF ON ON
LDO 8 Connected to VCC through 1 kW re
Features
- Low power dissipation digital servo head amp Built-in amplifier for generating reference voltage (VRO) Built-in auto laser power control (APC) amplifier Built-in RF amplifier Built-in RF signal automatic gain control (AGC) amplifier Built-in gain change circuit for CD-RW Built-in focus error and tracking error signal amplifiers Built-in track count signal amplifier Normal-, double-, and ×4-speed operation 24-pin mini flat package Weight.