Harman Kardon FL8385 - Page 35

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
HSOP042-P-0400
Unit: mm
17 814
(1.315)
0.65±0.20
28 22 21
(4.8)
(6.4)
(1.2)
(5.15)
18.4±0.2
8.3±0.22.7±0.20.1±0.1
10.93±0.30
15
0.35
+0.10
–0.05
0.30
+0.10
–0.05
0.8
Seating plane
0° to 10°
■ Block Diagram
19
PGND1
20
PV
CC1
23
IN1
18
VO1+
24
PC1
17
VO1−
25
IN2
16
VO2+
26
PC2
15
VO2−
27
IN3
14
VO3+
13
VO3−
28
IN4
12
VO4+
10
PGND2
11
VO4−
9
PV
CC2
21
8
6
7
V
CC
4
Fin
GND
5
V
CC
22
V
REF
1
2
PV
CC
1
2
PV
CC
1
2
3.3 V
reg.
Direction
detector
Direction
detector
Direction
detector
Direction
detector
V
CC
detector
Thermal
protection
circuit
FL8380
FL8385
harman/kardon
35