(No.49831)1-37
4.3
BA5830FP-X (IC681) : Power driver
• Pin Layout & Block diagram
• Pin function
When PIN2,4,22,25 is high ("H"), the positive output pin of the driver is high ("H") and the negative output pin is low ("L").
When PIN23 is high ("H"), the positive output pin of CH4 is low ("L") and negative output pin is high ("H").
22
23
24
25
26
27
28
15
16
17
18
19
20
21
7
6
5
4
3
2
1
14
13
12
11
10
9
8
T.S.D : thermal shutdown
Unit of resistance : [ ]
-
+
-
+
-
+
-
+
-
+
-
+
-
+
BIAS
1.65V
2.4V
20k
10k
20k
Pre Vcc
-
+
20k
-
+
-
+
10k
10k
10k
10k
10k
10k
10k
10k
CH1
Level shifter
Pow
Vcc1
Pow
GND
PreGND
Level shifter
MUTE
CONTROL
Pow
Vcc2
Pow
GND
LD/SLED
CONTROL
-
+
10k
10k
-
+
10k
10k
CH2
CH4
CH3
Level shifter
-
+
Level shifter
T.S.D
-
+
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
-
+
-
+
-
+
-
+
H
H
L
L
Pin No.
Symbol
Function
1
OPIN2(-) CH2 Pre OP amplifier invert input
2
OPOUT2 CH2 Pre OP amplifier output
3
OPIN1(-) CH1 Pre OP amplifier invert input
4
OPOUT1 CH1 Pre OP amplifier output
5
REG-B
Connect to external Tr Base
6
REG(+)
Regulator terminal of output feedback
7
PreGND
Pre Block and Regulator GND
8
MUTE
Mute terminal
PowVcc1 CH1, 2 Power Block Vcc
Driver CH1 negative output
Driver CH1 positive output
Driver CH2 negative output
Driver CH2 positive output
15
VO3(+)
Driver CH3 positive output
16
VO3(-)
Driver CH3 negative output
17
VO4(+)
Driver CH4 positive output
18
VO4(-)
Driver CH4 negative output
19
PowVcc2 CH3, 4 Power Block VCC
20
PowGND Power Block GND
21
CNT
Control terminal
22
LDIN
Loading input
23
OPOUTSL SLED Pre OP amplifier output
24
OPINSL(-) SLED Pre OP amplifier invert input
25
OPOUT3 CH3 Pre OP amplifier output
26
OPIN3(-) CH3 Pre OP amplifier invert input
27
BIAS
BIAS input
28
PreVcc
Pre-Block VCC
Pin No.
Symbol
Function
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9
2
8
9
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2
9
8
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9
2
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9
4
2
9
8
0
5
1
5
1
3
6
7
3
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