LSI BA5824FP

01W109A
4-channel BTL driver
BA5824FP
Dimension (Units : mm)
18.5 ± 0.2
15
0.5 ± 0.2
9.9 ± 0.3
28
7.5 ± 0.2
Description
BA5824FP incorporates 4-channel drivers that
operate the motor and the actuator for car CD
players. CH1,2 and CH3,4 each have power
supply independently. The highly efficient drive
can be achieved due to the low voltage operation.
The input of CH4 can be switched by the control pin.
1
14
Features
1) Wide dynamic range
2) Built-in thermal shut down circuit
3) Built-in mute function by control pin and mute pin
0.11
2.2 ± 0.1
5.15 ± 0.1
0.8 0.35 ± 0.1
0.08 M
16.0 ± 0.2
0.25 ± 0.1
0.1 S
HSOP28
Applications
CD players, DVD players
CD players, and DVD players for Car
Absolute Maximum Ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Vcc
18
V
Maximum applied voltage
Power dissipation
Operating temperature range
Pd
Topr
Storage temperature range
Tstg
1700 *
–35 ~
–55 ~
+85
+150
mW
°C
°C
*Derating : 13.6mW/°C for operation above Ta=25°C
November, 2001
Recommended Operating Conditions (Ta=25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
VCC
4.5
8
14
V
Power supply voltage
Electrical characteristics (Unless otherwise noted; Ta=25°C, Vcc=8V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Consumption current at no signal
IQ
–
22
32
mA
Output offset voltage
Voof
–50
0
50
mV
Maximum output voltage
VOM
5.4
6.0
–
V
Voltage gain
GVC
10.0
11.7
13.4
dB
Pre-Op. Amp offset voltage
VOFOP
–6
0
6
mV
Pre-Op. Amp high level voltage
VOHOP
7.5
7.9
–
V
Pre-Op. Amp low level voltage
VOLOP
–
0.2
0.5
V
Conditions
No load
VIN=±0.5V
Application Circuit
CONTROL
µCOM
LOADING
SLED
SPINDLE
Sled/Loading
motor
Spindle motor
M
M
0.1µ F
0.1µF
28
27
26
25
24
23
L
+ -
H
- +
PreVcc
21
22
10k
SLED
10k CONTROL
10k
Pow
GND
Pow
Vcc2
10k
+ -
- +
- +
SERVO
- +
PreGND
BIAS
2
3
4
5
6
7
10k
10k
+ 10k
10k
+ 10k
10k
10k
Level shifter
BA5824FP
T.S.D
Level shifter
10k
Level shifter
10k
MUTE
PowGND PowVcc1
CONTROL
8
10
9
0.1µF
BIAS
FOCUS
TRACKING
MUTE
15
CH3
+ -
10k
+ -
16
Level shifter
10k
+ -
1
17
CH4
L
10k
10k
18
H
- +
10k
19
10k
2.4V
+ -
20
+ -
10k
10k
+ -
10k
10k
+ -
CH1
11
12
Tracking coil
10k
10k
+ -
CH2
13
14
Focus coil
10k
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document use silicon as a basic material.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0