BA5995FM Rohm, BA5995FM Datasheet

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BA5995FM

Manufacturer Part Number
BA5995FM
Description
BTL driver for CD/CD-ROM
Manufacturer
Rohm
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
BA5995FM
Manufacturer:
ROHM/罗姆
Quantity:
20 000
Part Number:
BA5995FM-E2
Manufacturer:
Panasonic
Quantity:
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Part Number:
BA5995FM-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
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 PreV
2) Thermal shut down circuit built in.
3) Separating V
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)
! ! ! ! Recommended operating conditions
∗1 On less than 3% (percentage occupied by copper foil), 70mm×70mm, t=1.6mm, glass epoxy mounting.
∗2 The output current must not exceed the maximum Pd and ASO.
Vcc for pre block
Vcc for power block
Power supply voltage
Power dissipation
Max output current
Operating temperature range
Storage temperature range
Reduce power by 17.6mW for each degree above 25˚C.
supply voltage drive.
Parameter
Parameter
CC
into Pre and Power (Power divides into CH1, 2 and CH3/4), can make better power efficiency, by low
PreVcc, PowVcc
Symbol
Symbol
PreVcc
PowVcc
Io
Topr
Tstg
Pd
Max
CC
=12V, PowV
−55 to +150
4.5 to 13.2V
4.5 to PreV cc
−35 to +85
CC
Limits
Limits
=5V, R
13.5
2.2
1
∗1
∗2
L
=8Ω)
Unit
Unit
˚C
˚C
W
V
V
A
V
BA5995FM
1/8

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BA5995FM Summary of contents

Page 1

... 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 PreV 2) Thermal shut down circuit built in ...

Page 2

... MUTE STBY PowV ch1 ch2 (ch1 Pin No BA5995FM 10k 10k 10k 10k ch3 ch4 PowV CC (ch3 / 4) 10k 10k 10k 10k LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT 10k ...

Page 3

... Optical disc ICs ! ! ! ! Input output circuits Pin 2, 24, 27 Pin 4, 5, 22, 25 10k Pin 1 30k 60k Pin 7, 20 Pin 3, 23, 26 10k BA5995FM 50k 50k 50k 50k Non inverted output Pin 12, 14, 15, 17 10k 10k Inverted output Pin 11, 13, 16, 18 Pin 6 50k 50k Resistor unit : [Ω ...

Page 4

... I =+300µ − =−1mA L − 0.1 0.3 V Input pulse 100kHz, 2V − − 2 V/µs BA5995FM =5V, V =1.65V, R =8Ω) BIAS CC L Conditions = ∞ = ∞ = ∞ = ∞ =V ±1.65V BIAS =V ±1.65V P V =12V BIAS ±0.3V ...

Page 5

... V 1M 1.65V − VOFOP VBOP OOP V IN Fig.1 BA5995FM 8Ω 8Ω 0.1µF 9 0.1µ VST2 6 VMT 5 VIN OPOUT 4 OPIN − 3 OPIN + ...

Page 6

... Optical disc ICs ! ! ! ! Application example Focus coil Sled motor 0.1µF H=ENABLE L=STANDBY 0.1µF − − − − − − − − − + − − DIGITAL SERVO Fig.2 BA5995FM Tracking coil Tray motor 0.1µF 0.1µF H=ENABLE L=STANDBY H=MUTE L=ENABLE Resistor unit : [Ω] 6/8 ...

Page 7

... Under normal operating conditions, make sure to open pin7 or pull it down below 0.5V. Next figure is high impedance mute timing chart. 2V MUTE (Pin6 OUT (Pin14-Pin13) 0.5mV pin and GND pin near as possible (approximately 0.1µF BA5995FM PreV =12V CC PowV 1=5V CC BIAS=1.65V R =8Ω L tm≤125µsec 7/8 ...

Page 8

... CC 8 BIAS=1.65V 4Ω −1.5 −1.0 −0.5 0 0.5 1.0 −2 −4 −6 −8 −10 −12 Pin4-Pin1 INPUT VOLTAGE : ( V) Fig.7 I/O characteristic (ch1) 0.25±0.1 0.1 S BA5995FM 5 Ta=25˚ 20Ω PreV =12V 4 CC 16Ω 12Ω PowV =5V CC 8Ω BIAS=1.65V 3 4Ω −1.5 −1.0 − ...

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