BA5801FS 查看數據表（PDF） - Unspecified
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BA5801FS Datasheet PDF : 2 Pages
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Electrical characteristics (Unless otherwise noted, Ta=25˚C, Vcc=8V, R L=8Ω)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
<Circuit current>
Quiescent current ( Pre )
IQ
–
28
38 mA No load, LDVCC=0V
Quiescent current (Loading)
IQLD
–
5
13 mA No load, VCC=PowVCC=0V
<Driver CH1~CH3>
Maximum output voltage FWD
REV
VOMF
VOMR
4.4
–5.6
5.0
–5.0
5.6
–4.4
V INF=H, INR=L
V INF=L, INR=H
Smooth time constant
tr
Ttr
–
2
– V/µS Leading edge
of output voltage
tf
Ttf
–
1.5
– V/µS Trading edge
<Spindle Driver>
Maximum output voltage
VOMS
5.0
5.6
–
V
Voltage gain
GVC
10
12
14 dB
<Spindle pre OP-AMP>
Common mode input voltage range VICM
0
–
PreVcc
–2
V
Output voltage range
HIGH
VOHOP
PreVcc PreVcc
–0.3 –0.1
–
V
LOW
VOLOP
–
0.1
0.3
V
SOURCE IOSO
Maximum output current SINK
IOSI
500 800
1
–
–
–
µA
mA
<Loading Driver>
Output voltage 1
(Setting time)
FWD
REV
VOL1F
VOL1R
2.4
–3.6
3.0
–3.0
3.6
–2.4
V
V
LDCONT=1.7V LDINF=H, LDINR=L
LDINF=L, LDINR=H
Output voltage 2
(Maximum)
FWD
REV
VOL2F
VOL2R
5.0
5.6
–
–
–5.6 –5.0
V LDCONT=4.5V LDINF=H, LDINR=L
V
LDINF=L, LDINR=H
Load regulation 1
FWD ∆VOL1F
–
100 500 mV LDCONT=1.7V
REV
∆VOL1R
–
100 500 mV IL=100~500mA
<Regulator>
Output voltage
VREG
3.15 3.3 3.45 V IL=50mA
Load regulation
∆V ILR
–50
0
20 mV IL=0~200mA
Line regulation
∆VVSR
–20
0
50 mV Vcc=6~13V
Application circuit
TRAY2 TRAY1 SPINDLE
M
M
M PowG
Vcc
3.3V
Reg
PowG TRACKING FOCUS
PowG M
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
N.C N.C
1/2
LDVcc
TSD
BA5801FS
1/2
PowVcc
F
F
F
Driver
MUTE
FOCUS (CH1)
TRACKING (CH2)
SLED (CH3)
SPINDLE
Reg
Logic Logic ON/OFF
R
R
R
INTER INTER INTER
FACE FACE FACE
F RF RF R
F RF R
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
PreG
µ–COM
DSP
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