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BA5995FM

Part Number	BA5995FM
Manufacturer	Rohm
Description	BTL driver for CD/CD-ROM
Published	Apr 1, 2005
Detailed Description	BA5995FM Optical disc ICs BTL driver for CD/CD-ROM BA5995FM The BA5995FM is 4-channel BTL driver IC for driving actuato...
Datasheet	BA5995FM PDF File

Overview

BA5995FM Optical disc ICs BTL driver for CD/CD-ROM 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 PreVcc, PowVcc Pd IoMax Topr Tstg Limits 13.
5 2.
2 1 ∗1 ∗2 Unit V W A ˚C ˚C Power supply voltage Power dissipation Max output current Operating temperature range Storage temperature range −35 to +85 −55 to +150 ∗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 Symbol PreVcc PowVcc Limits 4.
5 to 13.
2V 4.
5 to PreVcc Unit V V Vcc for pre block Vcc for power block 1/8 BA5995FM Optical disc ICs !Block diagram 28 27 26 25 24 23 22 21 20 19 18 10k PreVCC STAND BY PowVCC ch1 / 3 / 4 (ch3 / 4) 20k 20k 10k − + + − 10k 20k 10k 10k 10k − + LEVEL SHIFT ch3 17 16 ch4 15 10k 10k 10k + − + − + − + − + − 10k 10k + − 10k 10k ch1 LEVEL SHIFT + − 20k 10k LEVEL SHIFT 10k 10k LEVEL SHIFT + − MUTE ch1 STBY ch2 + − + − + − PowVCC (ch1) PowVCC (ch2) 10k 1 2 3 4 5 6 7 8 9 10 11 ch2 10k 10k 12 13 Resistor unit : [Ω] !Pin descriptions Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 Pin name BIAS IN OPIN1 (+) OPIN1 (−) OPOUT1 IN2 MUTE STBY2 GND PowVCC1 PowVCC2 VO2 (−) VO2 (+) VO1 (−) VO1 (+) Function Input for bias-amplifier Non inverting input for...

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BA5995FM BTL driver for CD/CD-ROM - Rohm

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