4-CHANNEL MOTOR DRIVER FOR DVD PLAYER
Typical Performance Characteristics
Data Sheet
AM5954A
5
4
V =PV =12V
CC
CC1
3
PV =5V
CC2
BIAS=2.5V
2
1
0
-1
R =4Ω+100µH
-2
L
R =8Ω+100µH
L
-3
R =12Ω+100µH
L
-4
R =20Ω+100µH
L
-5
-0.4
-0.2
0.0
0.2
0.4
Input Voltage: V (V)
IN
Figure 5. Driver I/O Characteristics
(Focus and Tracking, Note 4)
12 V =PV =12V
CC
CC1
PV =5V
CC2
8 BIAS=2.5V
4
0
-4
R =20Ω
L
-8
R =12Ω
L
R =8Ω
-12
L
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
Input Voltage: V (V)
IN
Figure 6. Driver I/O Characteristics (Sled, Note 4)
4
V =PV =5V
CC
CC
3 BIAS=2.5V
2
1
0
-1
-2
-3
-4
-1.0
-0.5
R =4Ω
L
R =8Ω
L
R =12Ω
L
R =20Ω
L
0.0
0.5
1.0
Input Voltage: V (V)
IN
Figure 7. Driver I/O Characteristics (Loading, Note 4)
5
V =5V
CC
4
3
-
2
+
OP IN
OP OUT V
1
0
0
1
2
3
4
5
Op Amp Input Voltage: OP IN (V)
Figure 8. Op Amp I/O Characteristics (Note 4)
Note 4: Input voltage herein is referenced to Bias pin voltage.
Mar. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
8