파트넘버.co.kr BA5948FP 데이터시트 PDF


BA5948FP 반도체 회로 부품 판매점

4-channel BTL driver for CD players



ROHM Semiconductor 로고
ROHM Semiconductor
BA5948FP 데이터시트, 핀배열, 회로
Optical Discs
BA5948FP
4-channel BTL driver for CD players
BA5948FP
BA5948FP is a 4-channel BTL driver for CD players. The adoption of HSOP28 package enables to make sets smaller.
This IC incorporates thermal shutdown circuit and mute function with two mute pins. Gain can be controlled by external
resistor in driver block.
!Applications
CD players
!Features
1) 4-channel BTL driver
2) Set space saving by adoption of HSOP28
3) Built-in thermal shutdown circuit
4) Gain control by external resistor
!External dimensions (Unit : mm)
18.5 ± 0.2
28 15
1 14
5.15 ± 0.1
0.25 ± 0.1
0.8 0.35 ± 0.1
0.08 M
16.0 ± 0.2
0.1 S
HSOP28
!Absolute maximum ratings (Ta=25°C)
Parameter
Supply voltage
Power dissipation
Symbol
Vcc,
PVcc1, PVcc2
Pd
Operating temperature range Topr
Storage temperature range
Tstg
Derating : 13.6mW/ C for operation above Ta=25 C.
Limits
18
1700
35 to +85
55 to +150
Unit
V
mW
C
C
!Recommended Operating Conditions (Ta=25°C)
Parameter
Supply voltage
Symbol
Vcc,
PVcc1, PVcc2
Min.
4.5
Typ.
8
Max.
14
Unit
V
1/2


BA5948FP 데이터시트, 핀배열, 회로
Optical Discs
BA5948FP
!Electrical characteristics (Unless otherwise noted : Ta=25°CVCC=8V, BIAS=2.5V, RL=8, Rin=10k)
Parameter
Current consumption at no signal
CH1 output offset voltage
Maximum output amplitude
Close loop gain
CH 2,3,4 output offset voltage
Maximum output amplitude
Close loop gain
Mute OFF voltage
Mute ON voltage
Symbol
ICC
VOO1
VOM1
GVC1
VOO2
VOM2
GVC2
VMTOFF
VMTON
Min.
50
5.1
12.5
50
4.0
12.5
2.0
Typ.
7.5
5.6
15.0
4.6
15.0
Max.
15
50
6.1
17.5
50
5.1
17.5
0.5
Unit Conditions
mA No load
mV
V
dB
mV
V
dB
V
V
!Application Circuit
BIAS
FOCUS
TRACKING
SPINDLE
TRAVERSE
10k
10k
28 27 26 25 24 23 22
N.C. N.C. N.C.
Vcc
30k
0.1µF Vcc=8V
47µF
FOCUS
COIL
TRACKING
COIL
21 20 19 18 17
N.C.
PVcc2
CH4
16 15
CH3
Level
30k Shift
T.S.D.
30k
15k
BA5948FP
CH2
MUTE
CH1
MUTE N.C. N.C. N.C.
1234567
N.C.
8
10k MUTE
MUTE
ON-HIGH ON-HIGH
OFF-LOW OFF-LOW
10k
Level
Shift
Level
Shift
Level
Shift
10k 10k
PVcc1
10k CH1 10k CH2
9 10 11 12 13 14
M
TRAVERSE
MOTOR
M
SPINDLE
MOTOR
2/2




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BA5948FP driver

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BA5948FP

4-channel BTL driver for CD players - ROHM Semiconductor