ICs for Compact Disc/CD-ROM Player
AN8730SB
4-channel driver IC for optical disk
s
Overview
The AN8730SB is a 4-channel driver IC, which can
operate in a low voltage, employing the low power con-
sumption type H-bridge system with a switching regula-
tor. It is especially suited for a portable CD/MD player.
1
28
0.3±0.1
Unit: mm
•
Low power consumption due to PWM control of power
supply
•
Wide output D-range independent of the reference volt-
age of the system
•
Enable to set input/output gain by an external resistor
•
Independent power on/off for 2 channels and simulta-
neous on/off for other 2 channels as well
•
Battery voltage detection circuit built-in
•
Thermal shut-down circuit (with hysteresis) built-in
14
0.1±0.1
15
(0.4)
7.2±0.3
9.3±0.3
SSOP028 P-0375A
s
Applications
•
Portable CD/MD
0.2
+0.1
–0.05
0.9±0.1
2.05±0.2
0.9±0.1
0.8
s
Features
11.6±0.3
1