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AT5668
Preliminary Product Information
5-Channel Motor Driver for DVD/VCD
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email: service@aimtron.com.tw
4
Electrical characteristics
(unless otherwise noted, Ta = 25oC,VCC1 =12V, VCC2 =5V, VBIAS=2.5V, R
L1= RL4=8Ω, RL2= RL3=12Ω
)
Parameter
Symbol Min.
Typ.
Max.
Unit
Conditions
Quiescent current
I
QC
-18
30
mA No Load
Mute quiescent current
I
QSB
-
-
5
mA CH5 ,OPA,COMP. active
Mute ON voltage
V
SBON
0-
0.5
V
Mute OFF voltage
V
SBOFF
2.0
-
-
V
<Track driver>
Output voltage offset
V
OFFSL
-100
0
100
mV
Maximum output voltage
V
O3MAX
3.6
4.0
-
V
V
IN = V
BIAS ±1.5V
Closed loop gain
G
VSL
18.0
20.0
22.0
dB
V
IN = V
BIAS ±0.2V
<Focus driver>
Output voltage offset
V
OFFSL
-100
0
100
mV
Maximum output voltage
V
O3MAX
3.6
4.0
-
V
V
IN = V
BIAS ±1.5V
Closed loop gain
G
VSL
18.0
20.0
22.0
dB
V
IN = V
BIAS ±0.2V
<Sled motor driver>
Output voltage offset
V
OFFSL
-100
0
100
mV
Maximum output voltage
V
O3MAX
7.5
9.0
-
V
V
IN = V
BIAS ±1.5V
Closed loop gain
G
VSL
18.0
20.0
22.0
dB
V
IN = V
BIAS ±0.2V
<Spindle motor driver>
Output voltage offset
V
OFFLD
-100
0
100
mV
Maximum output voltage
V
O4max1
7.5
9.0
-
V
V
IN = V
BIAS±2.0V
Maximum output voltage
V
O4max2
3.6
4.0
-
V
V
IN = V
BIAS ±1.5V
VCC1=5V
Closed loop gain
G
VLD
13.5
15.5
17.5
dB
V
IN = V
BIAS ±0.2V
Gain error
Δ
G
VLD
012
dB
V
IN = V
BIAS±0.2V
<Tray motor driver>
Maximum output voltage
V
O5max1
3.8
-
4.2
V
RL5=45Ω, RVCTL=0Ω,
VCC1=VCC2=5V
Output voltage offset
V
OFFTR
-100
0
100
mV
Input high level voltage
VIH
2.0
-
-
V
Input low level voltage
VIL
--
0.8
V
<OPA>
Input Dynamic Range
0
-
VCC1-
1.5V
V
Output Dynamic Range
VO
1
-
VCC1-
1.0V
VIO =-0.25mA~3mA
Voltage Gain
GVC
70
-
90
dB
Saturation Voltage
VS
-
0.25
0.4
V
IO =3mA
Input Offset
V
Offset
--
±10
mV
<Comparator>
Input Offset
V
Offset
--
±10
mV
Input Dynamic Range
0
-
VCC1-
1.5V
V
Output Dynamic Range
VO
0.25
-
VCC1-
1.0V
VIO =-0.25mA~3mA
Saturation Voltage
VS
-
0.25
0.4
V
IO =4mA
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