la6543 Sanyo Semiconductor Corporation, la6543 Datasheet - Page 4

• Manufacturer Part Number: la6543
• Description: 4-channel Bridge Btl Driver For Cd-rom
• Manufacturer: Sanyo Semiconductor Corporation

Pin Function
Pin number
20,21
14,30
3,4
10
11
12
13
16
17
15
34
18
24
26
28
31
25
27
29
32
19
22
23
33
1
2
7
8
9
5
6
V
V
V
Pin name
SS
V
SS
REF
MUTE2
MUTE1
V
V
REF
V
V
V
V
V
VG4
VG3
VG2
VG1
V
V
V
V
V
V
V
V
V
V
R F
2-OUT
SS
1-OUT
N C
SS
IN
IN
IN
IN
O
O
O
O
O
O
O
O
S
S
CC
-OUT
1
3
4
5
6
1
2
2
7
8
4
3
2
1
-IN
2
1
33
11
13
17
27
29
32
26
28
31
MUTE
8
V CC
25
24
23
22
10
12
16
V IN
VG
7
V O
11k
Equivalent circuit
LA6543
V REF OUT
18
RF
V S
9 15
3 20
21
4
To bias circuit
RF
3 20
21
4
A11145
V CC
RF
22
A11144
3 20
A11143
21
4
Output stage reference voltage
(V
Connect to
Substrate (minimum potential)
CH1 non-inverted output (CH1+)
CH1 inverted output (CH1-)
CH2 non-inverted output (CH2+)
CH2 inverted output (CH2-)
CH3 non-inverted output (CH3+)
CH3 inverted output (CH3-)
CH4 non-inverted output (CH4+)
CH4 inverted output (CH4-)
Power supply for output stage (CH1 to CH3)
(CH4)
Connect to
Output reference voltage
May not be used.
Output reference voltage
Input pin for CH4 (gain adjustment)
Input pin for CH3 (gain adjustment)
Input pin for CH2 (gain adjustment)
Input pin for CH1 (gain adjustment)
Input pin for CH4 (fixed gain)
Input pin for CH3 (fixed gain)
Input pin for CH2 (fixed gain)
Input pin for CH1 (fixed gain)
Reference voltage input
(V
Power supply
CH2-CH4 amplifier output ON/OFF
CH1 amplifier output ON/OFF
(V
SS
REF
REF
2-V
buffer amplifier output)
buffer amplifier input)
BE
)/2: typ)
V
V
S
S
2
1
Pin function
(V
SS
No. 5973-4/7
1/2: typ)