Document
03W200A
IC for CD Players
BA5817FM
Description BA5817FM is a 5-channel motor driver. 4 channels are BTL drivers and 1 channel is a reversible DC motor driver. 2 channels of BTL driver incorporate standard operational amplifier in pre-driver. Output voltage can be set by output voltage control pin in reversible DC motor driver. Brake function is incorporated. Dimension (Unit : mm)
18.5 ± 0.2
28 15
9.9 ± 0.3
7.5 ± 0.2
1
5.15 ± 0.1 0.8 0.35 ± 0.1 0.08 M 16.0 ± 0.2
14
0.25 ± 0.1
0.11
Features
1) Space saving by power save terminal 2) High-efficient driving due to independent power supply for Pre Vcc and Pow Tr (CH 2 and CH 1,3,4) 3) Wide dynamic range 4) Built-in thermal shutdown circuit
2.2 ± 0.1
0.1 S
HSOP-M28
Applications CD players, DVD-RW players, Other optical DISC appliances
Absolute Maximum Ratings (Ta=25˚C)
Parameter Power supply voltage Power dissipation Operating temperature range Storage temperature range Symbol PREVcc POWVcc Pd Topr Tstg –40 –55 Limits 13.5 2.2 ~ ~
∗
Unit V W
+85 +150
˚C ˚C
∗Derating : 17.6mW/˚C for operation above Ta=25˚C ∗On less than 3%(percentage occupied by copper foil), PCB (70mmx70mm, t=1.6mm) glass epoxy mounting.
Recommended Operating Conditions (Ta=25˚C)
Parameter Power supply voltage Symbol PREVcc POWVcc Min. 4.3 Typ. — Max. 13.2 PREVcc Unit V
March, 2004
0.5 ± 0.2
(Unless otherwise noted: Ta=25˚C, PREVcc=12V, POWVcc2=12V, POWVcc134=5V, BIAS=1.25V, RL=8Ω) Parameter Circuit current at no signal Current at power save mode Maximum output amplitude Voltage gain Maximum output amplitude Voltage gain Maximum output amplitude Voltage gain Output "H" voltage variable gain GVH 7.4 9.2 11 dB "H" output vs. input (LDCNT)
∗This product is not designed for protection against radioactive rays.
Electrical characteristics
Symbol Icc IPS VOM GVC VOM GVC VOM GVC
Min. 3.6 13.2 8.0 18.4 3.6 17.2
Typ. 22.9 1.65 4.0 15.0 9.0 20.2 4.0 19.0
Max. 34 2.8 16.8 22.0 20.8
Unit mA mA V dB V dB V dB
Conditions When no load, RL=∞ PS="L"
Application Circuit
BIAS FOCUS IN TRACKING IN
'L' →MUTE MUTE POWVCC =5V
TRACKING
TILT
28
27
26
25
24
23
22
21
20
19
18
17
10k
16
10k
15
CH1~ POWVCC134 10k CH4 MUTE (CH1,CH3,CH4)
10k 10k 10k 10k
7.5k 7.5k 16k
10k 16k
LEVEL SHIFT LEVEL SHIFT
BA5817FM
LOADING PRE FWD REV
7.5k 10k 6k
POWER SAVE
LEVEL SHIFT LEVEL SHIFT
15k 10k 10k 10k 10k
X3
1 2 3
(PRE,LOADING)
5 6 7
PREVCC
POWVCC2
(CH2) 10k 8 9 10 11
10k 10k
10k 14
4
12
13
PS LOADING VOLTAGE LOADING CONTROL INPUT
PREVCC =12V STEPPING INPUT
POWVCC =5V
M LOADING
M SLED FOCUS
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 reques.