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PDF BA5995FM Data sheet ( Hoja de datos )
| Número de pieza | BA5995FM | |
| Descripción | BTL driver for CD/CD-ROM | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Optical disc ICs
BTL driver for CD/CD-ROM
BA5995FM
BA5995FM
The BA5995FM is 4-channel BTL driver IC for driving actuator and motor of CD-ROM. Power package of HSOP-M28 pin
enables to make set smaller. This IC is available for low voltage DSP.
!Applications
CD-ROM, others
!Features
1) Wide dynamic range. (4V (typ.) at PreVCC=12V, PowVCC=5V, RL=8Ω)
2) Thermal shut down circuit built in.
3) Separating VCC into Pre and Power (Power divides into CH1, 2 and CH3/4), can make better power efficiency, by low
supply voltage drive.
4) Stand by operated individually CH2 and CH1/3/4.
5) Built-in mute(CH1) circuit.
6) Suitable for low operation voltage DSP by wide D-range pre opamp.
!Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limits
Unit
Power supply voltage
Power dissipation
Max output current
PreVcc, PowVcc
Pd
IoMax
13.5
2.2 ∗1
1 ∗2
V
W
A
Operating temperature range
Topr
−35 to +85
˚C
Storage temperature range
Tstg
−55 to +150
˚C
∗1 On less than 3% (percentage occupied by copper foil), 70mm×70mm, t=1.6mm, glass epoxy mounting.
Reduce power by 17.6mW for each degree above 25˚C.
∗2 The output current must not exceed the maximum Pd and ASO.
!Recommended operating conditions
Parameter
Vcc for pre block
Vcc for power block
Symbol
PreVcc
PowVcc
Limits
4.5 to 13.2V
4.5 to PreVcc
Unit
V
V
1/8
1 page  
Optical disc ICs
!Measurement circuit
VO V
8Ω
VO V
8Ω
RL
15
16
RL
17
18
19
5V 0.1µF
VST1
20
21
BA5995FM
RL
14
13
RL
12
11
8Ω V VO
8Ω V VO
10
0.1µF
9
0.1µF
8
5V
5V
OPOUT
22
OPIN−
23
OPIN+
OPOUT
24
25
OPIN−
26
OPIN+
0.1µF
A
IQ
27
28
12V
7 VST2
6 VMT
5 VIN
4 OPOUT
3 OPIN−
2 OPIN+
1
VBIAS
1.65V
VBOP+
V
1M
1.65V
OPB
3
VOFOP
V
1
2
VIN
VBOP−
V
NF 2 1M
1 VOOP V
OPRL
1
2
IL
Fig.1
Resistor unit : [Ω]
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet BA5995FM.PDF ] | |
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