Harman Kardon FL8380 Service Manual page 45

AN8814SB
4-channel driver IC for optical disk drive
Overview
The AN8814SB is a BTL system 4-channel
driver and is encapsulated in the SMD package
which excels in heat radiation characteristic.
Features
Wide output dynamic range regardless of refer-
ence voltage of the system
Driver I/O gain setting is possible with an addi-
tional external resistor
3.3 V supply voltage is available due to an exter-
nal PNP-tr.
Additional OP-amp. built-in
Applications
MD, CD/CD-ROM drive
DVD/DVD-ROM drive
Block Diagram
21
1
PV
CC
2
6
4
Direction
detector
5
V
CC
1
2
3.3 V
reg.
28 22
1 7
(1.2)
0.8
Direction Direction
detector detector
45
18.4±0.2
(5.15)
(4.8)
21 15
8 14
+0.10
(6.4) 0.35
–0.05
Seating plane
HSOP042-P-0400
1
2
detector
Thermal
Direction
protection
detector
circuit
FL8380
Unit: mm
(1.315)
0 to 10
0.65±0.20
8
PV
CC
V
7
CC
V
CC
Fin
GND
22
V
REF